Browse Topic: Titanium alloys

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Optimizing Titanium Alloy Grade 7 Machining with Grey Relational Analysis2025-28-0049To be published on 02/07/2025
Electrochemical machining (ECM) is a highly efficient method for creating intricate structures in materials that conduct electricity, irrespective of their level of hardness. Due to the growing need for superior products and the requirement for quick design adjustments, decision-making in production has become more complex. This study focuses on Titanium Grade 5 and suggests creating predictive models utilizing a Taguchi-grey technique to achieve multi-objective optimization in ECM. The trials are structured based on Taguchi's principles, utilizing Taguchi-grey relational analysis (GRA) to simultaneously maximize several performance indicators. This entails optimizing the pace at which material is removed, decreasing the roughness of the surface, and attaining precise geometric tolerances. ANOVA is used to assess the relevance of process variables that affect these measures. The suggested predictive technique for Titanium Grade 5 outperforms current models in terms of flexibility
Pasupuleti, Thejasree, Natarajan, Manikandan, Kumar, V, Sagaya Raj, Gnana, Krishnamachary, PC, Silambarasan, R
Technical Paper
Data-Driven Optimization of Titanium Grade 7 Machining for Automotive Applications2025-28-0143To be published on 02/07/2025
Electrochemical machining (ECM) is a highly efficient method for creating intricate structures in materials that conduct electricity, irrespective of their level of hardness. With the rising demand for superior products and the necessity for quick design modifications, decision-making in the industrial sector becomes increasingly complex. This study specifically examines Titanium Grade 5 and suggests creating prediction models through regression analysis to estimate performance measurements in ECM. The experiments are formulated based on Taguchi's ideas, utilizing a multiple regression approach to deduce mathematical equations. The Taguchi method is utilized for single-objective optimization in order to determine the ideal combination of process parameters that will maximize the material removal rate. ANOVA is a statistical method used to determine the relevance of process factors that affect performance measures. The suggested prediction technique for Titanium Grade 5 exhibits
Natarajan, Manikandan, Pasupuleti, Thejasree, Kumar, V, Krishnamachary, PC, Somsole, Lakshmi Narayana, Silambarasan, R
Technical Paper
Advanced Parameter Forecasting for Titanium Grade 19 Machining in Automotive Applications2025-28-0045To be published on 02/07/2025
Electrochemical machining (ECM) is a remarkably effective technique for producing detailed designs in materials that can conduct electricity, regardless of their level of hardness. As the desire for high-quality products and the necessity for rapid design changes grow, decision-making in the industrial sector becomes increasingly intricate. This work focuses on Titanium Grade 9 and proposes the development of prediction models using regression analysis to estimate performance measurements in ECM. The experiments are designed using Taguchi's methodology, employing a multiple regression approach to produce mathematical equations. The Taguchi technique is utilized for the purpose of single-objective optimization in order to determine the optimal combination of process parameters that will optimize the rate at which material is removed. ANOVA is a statistical method used to assess the relevance of process factors that impact performance indicators. The suggested prediction technique for
Pasupuleti, Thejasree, Natarajan, Manikandan, Ramesh Naik, Mude, Silambarasan, R, D, Palanisamy
Technical Paper
Grey Relational Analysis for Multi-Objective Optimization in Aerospace Machining of Titanium Grade 192025-28-0047To be published on 02/07/2025
Electrochemical machining (ECM) is a highly efficient method for creating intricate structures in electrically conductive materials, irrespective of their hardness. Due to the growing need for superior products and quick design adjustments, decision-making in production has become increasingly complex. This study focuses on Titanium Grade 9 and proposes creating predictive models using a Taguchi-grey technique to achieve multi-objective optimization in ECM. The experiments are structured based on Taguchi's principles, utilizing Taguchi-grey relational analysis (GRA) to simultaneously optimize several performance indicators, including the material removal rate, surface roughness, and geometric tolerances. ANOVA is employed to assess the significance of process variables affecting these measures. The proposed predictive technique for Titanium Grade 9 outperforms current models in terms of flexibility, efficiency, and accuracy, providing enhanced capabilities for monitoring and control
Pasupuleti, Thejasree, Natarajan, Manikandan, Krishnamachary, PC, Katta, Lakshmi Narasimhamu, Silambarasan, R
Technical Paper
Titanium Alloy Sheet, Strip, and Plate, 6Al - 4V, Solution Heat TreatedAMS4903E (Current)12/10/2024
This specification covers a titanium alloy in the form of sheet, strip, and plate up through 2.000 inches (50.80 mm), inclusive (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Wire, Forgings, Rings, and Drawn Shapes, 4Al - 2.5V -1.5 Fe, AnnealedAMS6948C (Current)12/10/2024
This specification covers a titanium alloy in the form of bars, wire, forgings, flash-welded rings, drawn shapes 5.000 inches (127.00 mm) and under, and stock for forging or flash-welded rings of any size (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy, Bars, Wire, Forgings, Rings, and Drawn Shapes, 4Al - 2.5V -1.5 Fe, Annealed, Heat TreatableAMS6947C (Current)12/10/2024
This specification covers a titanium alloy in the form of bars, wire, forgings, flash-welded rings, and drawn shapes 4.000 inches (101.60 mm) and under and stock for forging, heading, or flash-welded rings of any size (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Chemical Check Analysis Limits, Titanium and Titanium AlloysAMS2249K (Current)12/10/2024
This specification defines limits of variation for determining acceptability of the composition of cast or wrought titanium and titanium alloy parts and material acquired from a producer
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy, Ti-6Al-4V, Hot Isostatically Pressed (Low Temperature, High Pressure), Produced by Laser Powder Bed FusionAMS7028 (Current)12/03/2024
This specification covers an alpha-beta Ti-6Al-4V alloy produced by laser powder bed fusion (L-PBF) additive manufacturing and subjected to hot isostatic press (HIP) operation. Typically, this material is used for complex-shaped aerospace products made to near net shape dimensions. These products have been used typically for parts requiring operating strength up to 750 °F (399 °C), but usage is not limited to such applications
AMS AM Additive Manufacturing Metals
Material Specification
LOW DISTORTION TITANIUM ALLOY IN LASER POWDER BED FUSION ADDITIVE MANUFACTURING2024-01-398811/15/2024
ABSTRACT Titanium and its alloys offer superior strength at a fraction of the weight of steel or nickel-based alloys. Some α-β titanium alloys such as Ti-6Al-4V have been widely used in laser powder bed fusion additive manufacturing applications due to the historical cast-wrought data sets and the availability of this alloy in powder form, however this alloy presents challenges during the laser-based printing process of components due to the high residual stress in the material. Alternative β-rich Ti alloys such ATI Titan 23™ can offer superior printability, lower residual stress, and higher mechanical properties than Ti-6Al-4V in additive manufacturing applications. This study covers the assessment of ATI Titan 23™ as an alternative printable Ti alloy and the resulting microstructure, mechanical properties, and residual stress of the printed material. Citation: Garcia-Avila, Foltz, “Low Distortion Titanium Alloy in Laser Powder Bed Fusion Additive Manufacturing System,” In Proceedings
Garcia-Avila, Matias, Foltz, John
Technical Paper
SUPERIOR BALLISTIC AND BLAST RESISTANCE IN ATI TITAN 27™ ALLOY WITH A NOVEL DEFORMATION MECHANISM2024-01-398611/15/2024
ABSTRACT α-β titanium alloys are used in armor plate applications due to their capability to defend against ballistic threats while having a 40% lower density than steel. ATI 425® was developed as a cold-deformable alternative to Ti-6Al-4V with similar ballistic properties and improved blast performance owing to the alloy’s higher damage tolerance. ATI Titan 27™ is an evolutionary step forward on ATI 425® Alloy, and is being developed as a higher-performance titanium armor alloy owing to its greater than 10% improvement in strength with similar ductility and formability. Recent work has demonstrated a novel deformation mechanism that explains the improved cold deformation observed in both alloys over Ti-6Al-4V. This mechanism, a twinning of α-phase coinciding with slip in the β-phase, is unique among high-strength titanium alloys. Moreover, twinning is well known to be suppressed with high oxygen content, and ATI Titan 27™ Alloy has one of the highest oxygen targets across high
Foltz, John, Ruiz-Aparicio, Luis, Berry, David, Porter, Rick
Technical Paper
FORMING AND WELDING INNOVATIONS FOR ARMOR STEELS2024-01-374011/15/2024
ABSTRACT This paper reviews research that has been conducted to develop inductively assisted localized hot forming bending technologies, and to use standardized welding tests to assess the practicality and potential benefits of adopting stainless based consumables to weld both existing and evolving armor alloys. For the titanium alloy Ti6Al4V it was determined that warming the plate to circa 600°F would improve the materials ductility (as measured by reduction of area) from ~18 to 40% without exposing the material to a temperature at which atmospheric contamination would be significantly deleterious. For the commercial alloy BB and class 1 armor alloy it was found that there was little effect on the charpy impact toughness and the proof strength as a result of processing at 900 °F with either air cool or water quench and there was an added benefit of lower residual stresses in the finished bends compared to cold formed bends. Heating “alloy BB” to 1600 °F followed by water quench
Lawmon, John, Alexandrov, Boian, Duffey., Matthew, Ngan., Tiffany
Technical Paper
EVALUATION OF CANDIDATE METHODS FOR WELDING STEEL TO OTHER STRUCTURAL LIGHTWEIGHT METALS2024-01-374111/15/2024
ABSTRACT This paper addresses candidate technologies for attaching steels to selected lightweight materials. Materials of interest here include aluminum and titanium alloys. Metallurgical challenges for the aluminum-to-steel and titanium-to-steel combinations are first described, as well as paths to overcome these challenges. Specific joining approaches incorporating these paths are then outlined with examples for specific processes. For aluminum-to-steel joining, inertia, linear, and friction stir welding are investigated. Key elements of success included rapid thermal cycles and an appropriate topography on the steel surface. For titanium-to-steel joining, successful approaches incorporated thin refractory metal interlayers that prevented intimate contact of the parent metal species. Specific welding methods employed included resistance mash seam and upset welding. In both cases, the process provided both heat for joining and a relatively simple strain path that allowed significant
Gould, Jerry E., Eff, Michael, Namola, Kate
Technical Paper
Rigorous Accelerated Approach to Thermomechanical Processing Optimization for New Ballistic Protection Alloys2024-01-380711/15/2024
ABSTRACT The armor research and development community needs a more cost-effective, science-based approach to accelerate development of new alloys (and alloys never intended for ballistic protection) for armor applications, especially lightweight armor applications. Currently, the development and deployment of new armor alloys is based on an expert-based, trial-and-error process, which is both time-consuming and costly. This work demonstrates a systematic research approach to accelerate optimization of the thermomechanical processing (TMP) pathway, yielding optimal microstructure and maximum ballistic performance. Proof-of-principle is being performed on titanium alloy, Ti-10V-2Fe-3Al, and utilizes the Hydrawedge® unit of the Gleeble 3800 System (a servo-hydraulic thermomechanical testing device) to quickly evaluate mechanical properties and simulate rolling schedules on small samples. Resulting mechanical property and microstructure data are utilized in an artificial intelligence (AI
Lillo, Thomas, Chu, Henry, Anderson, Jeffrey, Walleser, Jason, Burguess, Victor
Technical Paper
Titanium Alloy Sheet, Strip, and Plate, 6Al - 6V - 2Sn, Solution Heat Treated and AgedAMS4990E (Current)11/06/2024
This specification covers a titanium alloy in the form of sheet, strip, and plate up through 4 inches (101.6 mm) (see 8.5
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy, Round Bar and Wire, 3AI - 8V - 6Cr - 4Mo - 4Zr, Consumable Electrode Melted, Solution Heat Treated and Cold DrawnAMS4957H (Current)11/06/2024
This specification covers a titanium alloy in the form of round bar and wire 0.625 inch (15.88 mm) and under in nominal diameter or thickness (see 8.7
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings, and Forging Stock 6.0Al - 2.0Sn - 4.0Zr - 6.0Mo Solution Heat Treated and AgedAMS6906D (Current)11/06/2024
This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm) in nominal diameter or least distance between parallel sides, inclusive, and maximum cross-sectional area of 32 square inches (206.5 cm2), forgings of thickness up through 4.000 inches (101.60 mm), inclusive, and maximum cross-sectional area of 32 square inches (206.5 cm2), and stock for forging of any size (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy, Sheet and Strip, 4Al - 2.5V - 1.5Fe, Electron Beam Single Melted. AnnealedAMS6949B (Current)11/06/2024
This specification covers a titanium alloy in the form of sheet and strip up to 0.143 inch (3.63 mm), inclusive, in nominal thickness (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Forgings, Titanium Alloys Heat-Treated, Finished-Part Properties: Short-Traverse Tensile, Fracture Toughness, and Longitudinal Time-Dependent-TensionAMS4938B (Current)11/06/2024
This specification establishes requirements for titanium forgings of any shape or form from which finished parts are to be made (see 2.4.4, 8.3, and 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings and Forging Stock 3.0Al - 2.5V AnnealedAMS6940C (Current)10/11/2024
This specification covers a titanium alloy in the form of bars up through 1.000 inch (25.40 mm) in diameter or least distance between parallel sides, inclusive, forgings of thickness up through 1.000 inch (25.40 mm), inclusive, high-strength fastener stock up through 1.250 inch (31.75 mm), inclusive, and stock for forging of any size (see 8.7
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Sheet 6Al - 4V Driver SheetAMS4932E (Current)08/23/2024
This specification covers a titanium alloy in the form of sheet
AMS G Titanium and Refractory Metals Committee
Material Specification
Comprehensive Analysis of Titanium Alloy Machining with 2–7% Carbon Nanotube-Infused Cubic Boron Nitride Grinding Wheel Utilizing Full-Factorial Design2024-01-507908/12/2024
This research explores the experimental analysis of titanium alloy using an innovative approach involving a 2–7% carbon nanotube (CNT)-infused cubic boron nitride (CBN) grinding wheel. Employing a full-factorial design, the study systematically investigates the interactions among varied wheel speed, workpiece feed rate, and depth of cut, revealing compelling insights. The integration of CNTs in the CBN grinding wheel enhances the machining performance of titanium alloy, known for its high strength and challenging machinability. The experiment varies CNT infusion levels to assess their impact on material removal rate (MRR) and surface finish. Significantly, MRR is influenced by CNT content, with 5% and above demonstrating optimal performance. The 7% CNT-CBN wheel exhibits a remarkable 61% improvement in MRR over the conventional CBN wheel. Interaction studies highlight the pivotal role of depth of cut, indicating that slower speeds and feeds, combined with increased depth of cut
Stephen, Deborah Serenade, Sethuramalingam, Prabhu
Technical Paper
Titanium Alloy, Sheet, Strip, and Plate, 6Al - 4V, AnnealedAMS4911S (Current)08/01/2024
This specification covers a titanium alloy in the form of sheet, strip, and plate up through 4.000 inches (101.60 mm), inclusive, in thickness (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Approval and Control of Premium-Quality Titanium AlloysAMS2380H (Current)07/26/2024
This specification covers the procedures for approval of products of premium-quality titanium alloys and the controls to be exercised in producing such products
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings, and Forging Stock, 7.0Al - 4.0Mo, AnnealedAMS6915D (Current)07/26/2024
This specification covers a titanium alloy in the form of bars up through 6.000 inches (152.40 mm), inclusive, in nominal diameter or least distance between parallel sides, forgings of thickness up through 6.000 inches (152.40 mm), inclusive, and stock for forging of any size (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings, and Forging Stock 3Al - 8V - 6Cr - 4Mo - 4Zr Solution Heat TreatedAMS6920E (Current)07/25/2024
This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm) in nominal diameter or least distance between parallel sides, inclusive, forgings of thickness up through 4.000 inches (101.60 mm), inclusive, and stock for forging of any size (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Direct Deposited Products 6Al - 4V AnnealedAMS4999B (Current)07/03/2024
This specification covers metal products fabricated by direct metal deposition
AMS AM Additive Manufacturing Metals
Material Specification
Titanium Alloy Forgings, 8Al - 1Mo - 1V, Solution Heat Treated and StabilizedAMS4973K (Current)06/26/2024
This specification covers a titanium alloy in the form of forgings up to 4.000 inches (101.60 mm), inclusive, and forging stock (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Effect of Fatigue Loads on behavior of 2024 Aluminum for Aircraft Hydraulic Applications2024-26-043106/01/2024
Hydraulic systems in aircraft largely comprise of metallic components with high strength to weight ratios. Some examples of such material include Aluminum and Titanium alloys which are typically chosen for low and high-pressure applications respectively. For aircraft fluid conveyance products, hydraulic conduits are fabricated by axisymmetric turning to support flow conditions. The hydraulic conduits can have grooved interfaced design within for placement of elastomeric sealing components. This article presents a systematic study carried out on common loads experienced by fluid carrying conduits and the failure modes induced. Firstly, a static structural analysis was carried out on each of the geometries of the test articles to identify the locations having areas of high stress concentration. Test articles of various wall thicknesses and internal diameters were pressure impulse tested at different conditions of side loads to identify cycle numbers till failure and failure locations. On
Paidimarri, Vishal, Jacob, Krupa, Harish, Uppu, Hovis, David
Technical Paper
Identification, Titanium and Titanium Alloy Wrought ProductsAMS2809B (Current)05/24/2024
This specification covers procedures for identifying wrought products of titanium and titanium alloys
AMS G Titanium and Refractory Metals Committee
Material Specification
Enhanced Ultrasonic Immersion Inspection for Titanium Alloy and other Metal Alloy BilletsAMS2628C (Current)05/17/2024
This specification covers procedures for ultrasonic immersion inspection of premium-grade wrought titanium and titanium alloy round billet 5 inches (127 mm) and over in nominal diameter (see 2.6.1). Metal alloy billets other than titanium may be tested to this specification with the use of suitable reference standards
AMS K Non Destructive Methods and Processes Committee
Material Specification
Surface Properties of Shot-Peened and Plasma Sprayed Powder-Coated Alpha-Beta Titanium Alloy Implants2024-01-506005/15/2024
The paramount importance of titanium alloy in implant materials stems from its exceptional qualities, yet the optimization of bone integration and mitigation of wear and corrosion necessitate advanced technologies. Consequently, there has been a surge in research efforts focusing on surface modification of biomaterials to meet these challenges. This project is dedicated to enhancing the surface of titanium alloys by employing shot peening and powder coatings of titanium oxide and zinc oxide. Comparative analyses were meticulously conducted on the mechanical and wear properties of both treated and untreated specimens, ensuring uniformity in pressure, distance, and time parameters across all experiments. The outcomes underscore the efficacy of both methods in modifying the surface of the titanium alloy, leading to substantial alterations in surface properties. Notably, the treated alloy exhibited an impressive nearly 12% increase in surface hardness compared to its untreated counterpart
Balasubramanian, K., Bragadeesvaran, S. R., Raja, R., Jannet, Sabitha
Technical Paper
Titanium Alloy Bars, Forgings, and Flash-Welded Rings, 5Al - 2.5V - 4Sn - 1Co - 0.8Fe AnnealedAMS6903 (Current)04/25/2024
This specification covers a titanium alloy in the form of bars, forgings, and flash-welded rings up through 12.000 inches (304.80 mm), inclusive, in diameter or least distance between parallel sides, and stock of any size for forging or flash-welded rings. Bars, forgings, and flash-welded rings with a nominal thickness of 3.000 inches (79.20 mm) or greater shall have a maximum cross-sectional area of 113 square inches (729 cm2) (see 8.5
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Welding Wire, 5Al - 2.5SnAMS4953J (Current)04/25/2024
This specification covers a titanium alloy in the form of welding wire (see 8.5
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings and Forging Stock, 6.0Al - 6.0V - 2.0Sn, Solution Heat Treated and AgedAMS6935D (Current)04/25/2024
This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm) in nominal diameter or least distance between parallel sides, inclusive, forgings of thickness up through 4.000 inches (101.60 mm), inclusive, with bars and forgings having a maximum cross-sectional area of 32 square inches (204.46 cm2), and stock for forging of any size (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Sheet, Strip, and Plate 6Al - 2Sn - 4Zr - 2Mo - 0.08Si Duplex AnnealedAMS4919K (Current)04/01/2024
This specification covers a titanium alloy in the form of sheet, strip, and plate 0.025 to 3.000 inches (0.64 to 76.20 mm), inclusive, in nominal thickness (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy, Sheet, Strip, and Plate 4Al - 2.5V - 1.5Fe AnnealedAMS6946E (Current)04/01/2024
This specification covers a titanium alloy in the form of sheet, strip, and plate 0.020 inch (0.50 mm) through 2.10 inches (53.3 mm), inclusive, in nominal thickness (see 8.5
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Wire, and Rings, 8Al - 1Mo - 1V, Solution Heat Treated and StabilizedAMS4972K (Current)04/01/2024
This specification covers a titanium alloy in the form of bars, wire, flash-welded rings up through 4.000 inches (101.60 mm), inclusive, in diameter or least distance between parallel sides, and stock for flash-welded rings or heading of any size (see 8.6
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Material Specification
Titanium Alloy, Bars, Wire, and Rings 5Al - 2.5Sn Annealed, 110 ksi (758 MPa) Yield StrengthAMS4926R (Current)04/01/2024
This specification covers a titanium alloy in the form of bars, wire, flash-welded rings 4.000 inches (101.60 mm) and under in nominal diameter or least distance between parallel sides and 16 square inches (103 cm2) and under in cross-sectional area, and stock of any size for flash-welded rings (see 8.7
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Wire, Forgings, and Rings 4.5Al - 3V - 2Fe - 2Mo AnnealedAMS4964D (Current)03/27/2024
This specification covers a titanium alloy in the form of bars, wire, forgings, flash-welded rings, and stock for forgings or flash-welded rings up through 6.000 inches (152.40 mm) in nominal diameter or distance between parallel sides (see 8.6
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy, Extrusions and Flash Welded Rings, 6Al - 4V, Solution Heat Treated and AgedAMS4934J (Current)03/04/2024
This specification covers a titanium alloy in the form of extruded bars, shapes, and flash-welded rings up through 3.000 inches (76.20 mm), inclusive, in nominal diameter or least distance between parallel sides, and stock for flash-welded rings of any size (see 8.7
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings, and Forging Stock, 5Al - 2.5Sn, Extra Low Interstitial, AnnealedAMS6901D (Current)03/01/2024
This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm), inclusive, in nominal diameter or least distance between parallel sides, forgings of thickness up through 4.000 inches (101.60 mm), inclusive, and stock for forging of any size (see 8.7
AMS G Titanium and Refractory Metals Committee
Material Specification
Heat Treatment of Titanium Alloy PartsAMS2801D (Current)03/01/2024
This specification establishes the engineering requirements for the heat treatment of titanium and titanium alloy parts. Heat treatment of raw material by raw material producers, forge shops, or foundries shall be in accordance with the material procurement specification AMS-H-81200
AMS G Titanium and Refractory Metals Committee
Material Specification
Titanium Alloy Bars, Forgings and Forging Stock 5Al - 2.5Sn AnnealedAMS6900D (Current)02/23/2024
This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm) inclusive, in nominal diameter or least distance between parallel sides, forgings of thickness up through 4.000 inches (101.60 mm), inclusive, and stock for forging of any size
AMS G Titanium and Refractory Metals Committee
Material Specification
Microstructure, Worn Surface, Wear Assessment and Taguchi’s Approach of Titanium Alloy Hybrid Metal Matrix Composites for Automotive Applications2023-01-510302/23/2024
Lightweight materials are in great demand in the automotive sector to enhance system performance. The automotive sector uses composite materials to strengthen the physical and mechanical qualities of light weight materials and to improve their functionality. Automotive elements such as the body shell, braking system, steering, engine, battery, seat, dashboard, bumper, wheel, door panelling, and gearbox are made of lightweight materials. Lightweight automotive metals are gradually replacing low-carbon steel and cast iron in automobile manufacture. Aluminium alloys, Magnesium alloys, Titanium alloys, advanced high-strength steel, Ultra-high strength steel, carbon fiber-reinforced polymers, and polymer composites are examples of materials used for light weighing or automobile decreased weight. The ever-present demand for fuel-efficient and ecologically friendly transport vehicles has heightened awareness of lowering weight and performance development. Titanium alloys properties are
Ramana Murty Naidu, S. C. V., Kalidas, N., Venkatachalam, Sivaraman, Mukuloth, Srinivasnaik, Asary, Abdul Rab, Naveenprabhu, V., Vishnu, R., Vellingiri, Suresh
Technical Paper
Conversion Coating of Titanium Alloys Fluoride-Phosphate TypeAMS2486F (Current)01/16/2024
This specification establishes the requirements for a chemical conversion coating on titanium alloys
AMS B Finishes Processes and Fluids Committee
Material Specification
Structural Examination of Titanium Alloys Chemical Etch Inspection ProcedureAMS2643F (Current)12/20/2023
This specification covers a procedure for revealing the macrostructure and microstructure of titanium alloys
AMS B Finishes Processes and Fluids Committee
Material Specification
Titanium Alloy Sheet, Strip, and Plate 6Al - 6V - 2Sn Solution Heat TreatedAMS4988E (Current)12/13/2023
This specification covers a titanium alloy in the form of sheet, strip, and plate in thicknesses up to 4.000 inches (101.60 mm), inclusive (see 8.5
AMS G Titanium and Refractory Metals Committee
Material Specification
Composite Repair Engineering Case Studies for U.S. Army Aerostructures23AERP12_0912/01/2023
The U.S. Army fields a multitude of aircraft mission design series (MDS) developed by several different original equipment manufacturers with varying mission requirements and flight profiles. The structural analysis in this work assumes the materials, tooling, skillsets, and capabilities are organically available and proper at the repair location. Army Combat Capabilities Development Command, Redstone Arsenal, Alabama The U.S. Army operates and maintains several aircraft MDS to meet the warfighter's multidomain mission. Aircraft fielded by the U.S. Army originate from multiple equipment manufacturers. These aircraft include rotary-wing configurations such as the AH-64D/E Apache, CH-47F Chinook, and H-60A/L/V/M Blackhawk aircraft which significantly vary in mission parameters and flight profiles. These aircraft contain structures made from a majority aluminum, steel, and titanium alloys which have dominated aircraft designs for much of the history of powered flight. However, the use of
Magazine Article
Composite Repair Engineering Case Studies for U.S. Army AerostructuresTBMG-4966512/01/2023
The U.S. Army operates and maintains several aircraft MDS to meet the warfighter’s multidomain mission. Aircraft fielded by the U.S. Army originate from multiple equipment manufacturers. These aircraft include rotary-wing configurations such as the AH-64D/E Apache, CH-47F Chinook, and H-60A/L/V/M Blackhawk aircraft which significantly vary in mission parameters and flight profiles. These aircraft contain structures made from a majority aluminum, steel, and titanium alloys which have dominated aircraft designs for much of the history of powered flight. However, the use of advanced composite material systems such as fiberglass, carbon, and aramid fiber reinforcement with high performance epoxy resins has steadily increased to optimize structural designs and improve mission capability
Magazine Article
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