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Vehicles and equipment Pressure Drag AMS B Finishes Processes and Fluids Committee

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Standard

Plating, Tin-Lead (Electrodeposited)
2023-05-24
CURRENT
AMSP81728C
This specification covers the requirements for electrodeposited tin-lead plating intended for use as a coating for corrosion protection and as a base for soldering.
Standard

Shot Peening, Computer Monitored
2022-10-13
CURRENT
AMS2432E
This specification establishes the requirements for computer-monitored shot peening of part surfaces by impingement of media, including metallic, glass, or ceramic shot. Computer-monitored peening is intended to provide a method of process observation, traceability, and response for all process input settings, in real time, during the entire peening process to ensure with objective evidence, the desired process outputs. AMS2430 forms an integral part of this specification.
Standard

Peening Media Ceramic Shot
2021-12-01
CURRENT
AMS2431/7C
The complete requirements for procuring the product shall consist of this document and the latest issue of the basic specification, AMS2431.
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.
Standard

Instrumental Methods of Determining Surface Cleanliness
2017-09-20
CURRENT
ARP4252B
This Aerospace Recommended Practice is intended as a guide toward standard practices for the determination of surface cleanliness that are applicable to field operation. Some of these methods can also be used to determine quality assurance that a surface has been properly prepared and maintained. The instrumental methods are: Wettability, Surface Potential Difference (SPD), Ellipsometry, and Optically Stimulated Electron Emission (OSEE). Each instrument is described with respect to measurement techniques, limitations, and advantages and types of available instruments. Elementary theoretical principles and examples of the use of each instrument are also given.
Standard

Instrumental Methods of Determining Surface Cleanliness
2017-01-04
HISTORICAL
ARP4252A
This Aerospace Recommended Practice is intended as a guide toward standard practices for the determination of surface cleanliness that are applicable to field operation. Some of these methods can also be used to determine quality assurance that a surface has been properly prepared and maintained. The instrumental methods are: Wettability, Surface Potential Difference (SPD), Ellipsometry, and Optically Stimulated Electron Emission (OSEE). Each instrument is described with respect to measurement techniques, limitations, and advantages and types of available instruments. Elementary theoretical principles and examples of the use of each instrument are also given.
Standard

Plating, Tin-Lead (Electrodeposited)
2015-12-04
HISTORICAL
AMSP81728B
This specification covers the requirements for electrodeposited tin-lead plating intended for use as a coating for corrosion protection and as a base for soldering.
Standard

Coating, Cadmium (Vacuum Deposited)
2015-10-22
CURRENT
AMSC8837A
This specification covers the requirements for three types and three classes for vacuum deposited cadmium coating.
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