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Residual Stress Measurement and Classification, Metallic Structural Alloy Products and Finished Parts

2023-05-22
CURRENT
AS7045
The purpose of this standard is to provide uniform methods for defining, quantifying, and classifying the residual stress in metallic structural alloy products and finished parts. These stresses may exist within a single element, or they may be the result of a joining process. Such quantification and classification may be required when residual stresses within mill stock or preforms can impact further in-process distortion during machining or other processes, and when residual stresses within finished components can impact final mechanical properties and performance (especially strength, durability, and fracture performance).
Standard

Plating, Chromium, Porous

2022-09-14
CURRENT
AMS2407G
This specification covers requirements for electrodeposited porous chromium plate.
Standard

Plating, Nickel Hard Deposit

2022-07-19
CURRENT
AMS2423F
This specification covers the engineering requirements for electrodeposition of a hard nickel and the properties of the deposit.
Standard

Plating, Brush, Tin

2022-05-24
CURRENT
AMS2451/12A
This specification covers the engineering requirements and process for brush plating of tin by electrodeposition. It shall be used, in conjunction with AMS2451, for general purpose tin deposits.
Standard

Plating, Copper

2021-12-13
CURRENT
AMS2418K
This specification covers the requirements for electrodeposited copper.
Standard

Pyrometry

2020-06-29
HISTORICAL
AMS2750F
This specification covers pyrometric requirements for equipment used for the thermal processing of metallic materials. Specifically, it covers temperature sensors, instrumentation, thermal processing equipment, correction factors and instrument offsets, system accuracy tests, and temperature uniformity surveys. These are necessary to ensure that parts or raw materials are heat treated in accordance with the applicable specification(s).
Standard

Metallic Whiskers

2019-10-17
CURRENT
AIR4129A
This AIR presents an abbreviated review of the metallurgical phenomena known as whiskers. It is not all encompassing; rather, it is intended to introduce the design engineer to the technical issues of metallic whiskers, their formation, and the potentially dangerous problems they can cause.
Standard

Vacuum Gauge Calibration

2019-03-06
CURRENT
ARP7446
This SAE Aerospace Recommended Practice (ARP) addresses the general procedure for the best practices for minimizing uncertainty when calibrating thermal conductivity and cold cathode vacuum gauges, which includes the vacuum sensor(s) and accompanying electronics necessary for a pressure measurement to be made. It also includes the best practices for an in-process verification where limitations make it impossible to follow the best practices for minimizing uncertainty. Verifying the accuracy and operation of vacuum gauges is critical to ensure the maintenance of processes while under vacuum.
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