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AMS B Finishes Processes and Fluids Committee Pressure Humidity Nozzles Gases

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Standard

Vacuum Gauge Calibration
2024-05-17
CURRENT
ARP7446A
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

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

Passivation of Corrosion-Resistant Steels
2022-03-24
WIP
AMS2700G
This specification covers the requirements for a process to assure removal of free iron or other less noble contaminants from the surfaces of corrosion resistant steel parts.
Standard

Blackening Solution for Aluminum Touch-Up Solution
2021-01-08
CURRENT
AMS2483C
This specification covers a blackening solution, applied at room temperature, to damaged or reworked surfaces of black-dyed anodized (AMS2472) aluminum to provide a uniform ebony-black surface.
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

Primer Zinc Molybdate
2019-06-06
CURRENT
AMS3117A
This specification covers a zinc molybdate primer in the form of a liquid.
Standard

Gaseous Nitrocarburizing
2019-03-15
CURRENT
AMS2757C
This specification covers the engineering requirements for producing a continuous thin epsilon-iron-carbonitride compound layer on parts by means of a gaseous, low temperature process, and properties of the case.
Standard

Vacuum Gauge Calibration
2019-03-06
HISTORICAL
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

Automated Gaseous Nitrocarburizing Controlled by Potentials
2018-07-02
CURRENT
AMS2759/12B
This specification covers the requirements for producing a continuous white layer with controlled extent of porosity by means of a gaseous process, automatically controlled to maintain set values of the nitriding and carburizing potentials that determine properties of the nitrocarburized surface. Automatic control is intended to ensure repeatability of nitrogen and carbon content of the white layer which influences properties such as wear and corrosion resistance, ductility and fatigue strength.
Standard

Gaseous Nitrocarburizing
2018-06-11
CURRENT
AMS2759/13
This specification covers the engineering requirements for producing a continuous thin epsilon-iron-carbonitride compound layer on parts by means of a gaseous, low temperature carbon enriched nitriding process. The process is intended to utilize an atmosphere of high nitriding potential that produces a compound layer. If the compound layer is intended to be controlled automatically, AMS2759/12 shall be used.
Standard

Passivation of Corrosion Resistant Steels
2018-03-18
CURRENT
AMS2700F
This specification covers the requirements for a process to assure removal of free iron or other less noble contaminants from the surfaces of corrosion resistant steel parts.
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