Browse Topic: Metals
This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars, forgings, flash-welded rings, and stock for forging or flash-welded rings.
This specification covers an aluminum alloy in the form of alclad sheet and plate 0.008 to 1.000 inches (0.203 to 25.4 mm) supplied in the -T3/-T351 temper (see 8.5).
This specification covers two methods for determining the percentage of delta ferrite in steels and other iron alloys. When applicable, this specification will be invoked by the material specification.
This specification covers an arc-cast molybdenum alloy in the form of round bars 0.125 to 4.5 inches (3.00 to 112.50 mm), inclusive (see 8.6).
This specification covers an aluminum alloy in the form of extruded bars, rods, wire, profiles, and tubing (see 8.6).
This specification covers an aluminum alloy in the form of sheet 0.009 to 0.126 inch (0.23 to 3.20 mm), inclusive, in nominal thickness, alclad (see 8.5).
This specification covers an aluminum alloy in the form of extruded wide panel profiles (shapes) and rod and bars 0.500 to 1.000 inch (12.7 to 25.4 mm), inclusive, in thickness produced with cross-sectional area of 14 to 30 square inches (90 to 194 cm2) from circumscribing circle diameters (see 2.4.1) of 14 to 22 inches (356 to 559 mm) (see 8.7).
This specification covers a free-machining, corrosion-resistant steel in the form of cold-worked bars and wire up to 1.750 inches (44.45 mm), inclusive, in nominal diameter or least distance between parallel sides (see 8.4).
This specification covers an aluminum alloy in the form of plate 0.500 to 1.500 inches (12.70 to 38.10 mm), inclusive, in thickness (see 8.5).
This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars and forgings in the solutioned, stabilized, and precipitation heat-treated condition. Stock for forging shall be in the condition ordered.
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, flash-welded rings, and stock for forging or flash-welded rings.
This specification establishes the requirements for chemical-film (conversion) coatings on aluminum alloys.
Performing highly representative tests of aircraft equipment is a critical feature for gaining utmost confidence on their ability to perform flawlessly in flight under the entire spectrum of operating conditions. This can also contribute to accelerate the certification process of a new equipment. A research project (E-LISA) was performed in recent years, as part of the European funded Clean Sky 2 framework, with the objective of building an innovative facility for testing an electrically actuated landing gear and brake for a small air transport. The project eventually led to the development and construction of an Iron Bird able to reproduce in a realistic and comprehensive way a full variety of landing test cases consistent with certification specifications and landing histories available in the repository of the airframer. The Iron Bird that was eventually developed is a multi-functional intelligent and easy reconfigurable facility integrating hardware and software allowing to perform
Researchers from the Disruptive and Sustainable Technologies for Agricultural Precision (DiSTAP) interdisciplinary research group of the Singapore-MIT Alliance for Research and Technology (SMART), MIT’s research enterprise in Singapore, in collaboration with Temasek Life Sciences Laboratory (TLL) and MIT, have developed a groundbreaking near-infrared (NIR) fluorescent nanosensor capable of simultaneously detecting and differentiating between iron forms — Fe(II) and Fe(III) — in living plants.
Machining metal has its challenges as many shops will attest, but machining glass is another matter – one that Dan Bukaty Jr., President of Precision Glass & Optics (PG&O) is well schooled in. Mr. Bukaty and his 35-person shop manufacture high-end precision glass optics for customers such as IMAX, Intuitive Surgical, Boeing and NASA, to name a few. The products PG&O make can range from the ordinary to the extraterrestrial, such as mirrors that it fabricated for the Hobby–Eberly Telescope to measure dark energy in outer space.
This document is a guide to the application of magnesium alloys to aircraft interior components including but not limited to aircraft seats. It provides background information on magnesium, its alloys and readily available forms such as extrusions and plate. It also contains guidelines for “enabling technologies” for the application of magnesium to engineering solutions including: machining, joining, forming, cutting, surface treatment, flammability issues, and designing from aluminum to magnesium.
This specification covers procedures for sampling and testing aircraft-quality, special aircraft-quality, and premium aircraft-quality steels requiring transverse tensile property testing.
This specification covers a honeycomb core fabricated from a corrosion and heat-resistant steel.
This specification covers an extra high toughness, corrosion-resistant steel in the form of bars, wire, forgings, flash-welded rings, and extrusions up to 12 inches (305 mm) in nominal diameter or least distance between parallel sides (thickness) in the solution heat-treated condition and stock of any size for forging, flash-welded rings, or extrusion.
This specification covers an aluminum alloy in the form of extruded profiles 0.750 to 1.500 inches (19.05 to 38.10 mm) in nominal thickness with a maximum cross-sectional area of 19 square inches (123 cm2) and a maximum circle size of 11 inches (279 mm) (see 8.6).
This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.
This specification covers an aluminum alloy in the form of die forgings 4 inches (102 mm) and under in nominal thickness at time of heat treatment, hand forgings up to 6 inches (152 mm), inclusive, in as-forged thickness, rolled rings with wall thickness up to 3.5 inches (89 mm), inclusive, and stock of any size for forging or rolled rings (see 8.6).
This specification covers an aluminum alloy in the form of extruded bars, rods, wire, profiles, and tubing with a nominal diameter or least thickness (wall thickness of tubing) up to 5.000 inches (127 mm), inclusive (see 8.5).
This specification covers discontinuously reinforced aluminum alloy (DRA) metal matrix composites (MMC) made by mechanical alloying of the 2124A powder and SiC particulate, which is then consolidated by hot isostatic pressing (HIP) into shapes less than 62 square inches (0.04 m2) in cross-sectional area (see 8.12).
This specification covers one grade of commercially pure titanium in the form of bars, wire, forgings, and flash-welded rings up to 5.000 inches (127.00 mm), inclusive, in nominal diameter or least distance between parallel sides and stock for forging or flash-welded rings (see 8.6).
This specification covers an aluminum alloy in the form of plate 3.001 to 9.000 inches (76 to 229 mm), inclusive, in nominal thickness (see 8.5).
This specification covers a titanium alloy in the form of bars up through 10.000 inches (2540 mm) in nominal diameter or least distance between parallel sides, inclusive, with bars having a maximum cross-sectional area of 79 square inches (509.67 cm2), and stock for forging of any size (see 8.7).
This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.
This specification covers an aluminum alloy in the form of hand forgings up to 6 inches (152 mm), inclusive, in nominal as-forged thickness and having a cross-sectional area of not more than 156 square inches (1006 cm2) (see 8.7).
This specification covers a titanium alloy in the form of sheet and strip 0.125 inch (3.18 mm) and under in nominal thickness (see 8.6).
This specification covers an aluminum alloy in the form of extruded bars, rods, and shapes up to 4.000 inches (101.60 mm), inclusive, in nominal diameter or least thickness and having a nominal cross-sectional area up to 20 square inches (129 cm2) (see 8.5).
This specification covers a magnesium alloy in the form of permanent mold castings (see 8.6).
This specification covers an aluminum alloy in the form of plate 1.0 to 6 inches (25.4 to 152.4 mm), inclusive, in nominal thickness (see 8.5).
This specification covers a magnesium alloy in the form of permanent mold castings (see 8.6).
This specification covers an aluminum alloy in the form of seamless drawn tubing from 0.025 to 0.500 inch (0.64 to 12.70 mm), inclusive, in wall thickness (see 8.5).
This specification establishes testing methods and maximum permissible limits for trace elements in nickel alloy castings and powder materials. It shall apply only when required by the material specification.
This specification covers a corrosion- and heat-resistant cobalt alloy in the form of round wire 0.001 to 0.140 inch (0.025 to 3.56 mm), inclusive, in nominal diameter supplied in straight lengths or coils.
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