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Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings, 72Ni - 15.5Cr - 0.95Cb - 2.5Ti - 0.70Al - 7.0Fe, Consumable Electrode or Vacuum Induction Melted, 1800 °F (982 °C) Solution Heat Treated, Precipitation Hardenable

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5671H
  • Current
Published 2019-10-16 by SAE International in United States

This specification covers a corrosion and heat-resistant nickel alloy in the form of bars up to 4.00 inches (101.6 mm) exclusive in nominal diameter or thickness, forgings 4.00 inches (101.6 mm) exclusive in nominal thickness, flash welded rings up to 4.00 inches (101.6 mm) exclusive in nominal radial thickness, and stock of any size for forging or flash welded rings (see 8.6).

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Parameter Optimization during Minimum Quantity Lubrication Turning of Inconel 625 Alloy with CUO, Al2O3 and CNT Nanoparticles Dispersed Vegetable-Oil-Based Cutting Fluid

Vellore Institute of Technology-Venkatesan Kannan, Devendiran Sundararajan
Published 2019-10-11 by SAE International in United States
Inconel 625, nickel based alloy, is found in gas turbine blades, seals, rings, shafts, and turbine disks. On the other hand, the manufacturing of this alloy is challenging, mainly when machining processes are used due to excellent mechanical properties. Application of nanofluids in minimum quantity lubrication (MQL) shows gaining importance in the machining process, which is economical and eco-friendly. The principal objective of this investigational work is to study the influence of three types of nanofluids in the MQL turning of Inconel 625 nickel based alloys. The used nanofluids are multi-walled carbon nanotubes (CNT), alumina (Al2O3) and copper oxide (CUO) dispersed in vegetable oil. Taguchi-based L27 orthogonal array is used for the experimental design. The parameter optimization of design variables over response is carried out by the use of Taguchi-based derringer's desirability function. The design variables are machining parameters (speed, feed), nanofluids (Al2O3, CNT, CUO), and three different weight percentage (0.1, 0.25, and 0.5 wt. %). The results showed that minimum values of surface roughness could be achieved at 0.10 wt. % of nanoparticles, CNT…
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Mechanical Properties of Similar and Dissimilar Metals of Monel 400 and SS 321 by Using Gas Tungsten Arc Welding (GTAW) Process

Geethanjali College of Engg. and Tech.-Sudarshan Rikka, Devaiah Malkapuram
Published 2019-10-11 by SAE International in United States
In the present study the fabrication of joints between the nickel base alloys and steels of various grades have been under taken, joining of these metals has assumed new importance by virtue of their widespread in nuclear and aerospace applications. Such joints provide excellent strength, oxidation and corrosion resistance. This paper deals with the study of weldability, and mechanical properties of weld joints of two different alloys such as nickel based alloy- monel 400 and austenitic stainless steel AISI 321. The joining of the similar and dissimilar metals is carried out by GTAW process and by employing two different types of filler rods SS321 and ERNiCrMo-3, Mechanical properties such as Ultimate Tensile Strength, Young’s Modulus ae found as per ASTM testing standards, Percentage of Elongation also found to know the joint efficiency and Microhardness survey across the weld joint to estimate the hardness variations at different locations such as Weld zone of the metal, Heat Affected Zone (HAZ), and Base metal.
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Performance Requirements for Wire, Electric, Insulated Copper or Copper Alloy

AE-8D Wire and Cable Committee
  • Aerospace Standard
  • AS4372C
  • Current
Published 2019-09-24 by SAE International in United States
This document covers the requirements for insulated, single-conductor, electric wires with tin-coated, silver-coated, or nickel-coated conductors of copper or copper alloy as specified in an applicable generated performance sheet (see Appendix A for sample). It provides general performance requirements, ratings, and information for various characteristics of insulated wire systems used in aerospace applications. Numerical test requirements, or parameters, were originally developed using either English or metric units. The original, primary, units are shown first with the secondary (converted) units in parentheses. Secondary units are listed for information only and are not to be considered requirements. Wire will be assigned a level of performance for many requirements set forth in this standard. These performance levels, in addition to numerical test results, shall be listed in the applicable performance sheet. This standard contains some tests and referenced AS4373 Test Methods that have not been rigorously confirmed as reproducible. Such methods are identified under the Precision and Bias Statements in the individual AS4373 Test Methods. Many requirements have multiple levels of performance. The wire with base level of…
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Nickel Alloy, Corrosion and Heat-Resistant, Bars and Forgings, 58Ni - 19.5Cr - 13.5Co - 4.3Mo - 3.0Ti - 1.4Al - 0.05Zr - 0.006B, Consumable Electrode or Vacuum Induction Melted, 1975 °F (1079 °C) Solution, Stabilization, and Precipitation Heat Treated

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5709J
  • Current
Published 2019-09-04 by SAE International in United States

This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, and forging stock.

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BOLT, SHEAR - DOUBLE HEX HEAD, UNS N07718 - 185 KSI

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3574C
  • Current
Published 2019-08-12 by SAE International in United States
No Abstract Available.
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Nickel Titanium Alloy Ball Bearings

  • Magazine Article
  • TBMG-34909
Published 2019-08-01 by Tech Briefs Media Group in United States

Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy made of 57.6% Nickel (Ni), 39.2% Titanium (Ti), and 3.2% Hafnium (Hf). The use of non-corrosive NiTi alloy instead of steel is an inexpensive way to increase the load capability and reduce the weight of a ball bearing.

Effects of Tube Processing on the Fatigue Life of Nitinol: Part 1

  • Magazine Article
  • TBMG-34971
Published 2019-08-01 by Tech Briefs Media Group in United States

With medical devices approved for more demanding cardiovascular applications such as transcatheter aortic and mitral valve repair (TAVR/TMVR), the long-term structural integrity of the substrate remains of paramount concern. With these considerations in mind, much attention has been paid to factors affecting the fatigue life of nitinol in order to ensure long-term device efficacy. High-cycle fatigue life of unique material is of particular interest.2–5

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Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate 41.5Ni - 16Cr - 37Fe - 2.9Cb (NB) - 1.8Ti Consumable Electrode or Vacuum Induction Melted 1750 °F (954 °C) Solution Heat Treated

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5606F
  • Current
Published 2019-07-31 by SAE International in United States
This specification covers a corrosion and heat-resistant nickel alloy in the form of sheet, strip, and plate.
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Alloy, Corrosion-Resistant, Bars 20Cr - 35Ni - 35Co - 10Mo Vacuum Induction Plus Consumable Electrode Vacuum Remelted Solution Heat Treated for Work Strengthening

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5758J
  • Current
Published 2019-07-31 by SAE International in United States
This specification covers a high-strength, corrosion-resistant alloy in the form of bars.
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