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Standard

Heat Treatment of Carbon and Low-Alloy Steel Parts, Minimum Tensile Strength Below 220 ksi (1517 MPa)

2019-06-17
CURRENT
AMS2759/1G
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of carbon and low-alloy steel parts to minimum ultimate tensile strengths below 220 ksi (1517 MPa). Parts are defined in AMS2759. Due to limited hardenability in these materials, there are size limits in this specification.
Standard

Training and Approval of Heat-Treating Personnel

2019-06-11
CURRENT
ARP1962B
This SAE Aerospace Recommended Practice (ARP) describes training and approval of personnel performing certain heat-treating and associated operations that could have a material impact on the properties of materials being heat treated. It also recommends that only approved personnel perform or monitor the functions listed in Table 1.
Technical Paper

A Refined In-Flight Icing Model and its Numerical Implementation

2019-06-10
2019-01-1937
A refined in-flight icing model is proposed whose primary focus lies on an improved prediction of the runback dynamics. The most significant capabilities/properties of the model are: Incorporation of surface tension and wetting effects in the runback model Fully transient treatment of the ice accretion/depletion process and the runback flow Treatment of unsteady heat transfer in the runback layer, the accreted ice layer and the underlying substrate as well as phase transitions solid/liquid in the ice layer Strict mass- and enthalpy-conservative growth/depletion of the ice layer (this is achieved by a specially designed mesh deformation algorithm) An essential part of the paper is devoted to the treatment of surface tension and wetting effects: These effects result from disjoining pressure contributions to the pressure terms in the runback continuity equation, i.e., these effects are inherent properties of the simulated runback dynamics.
Standard

Primer, Zinc Molybdate

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

Test Strip, Holder, and Gage for Shot Peening

2019-06-06
CURRENT
J442_201906
This SAE standard defines requirements for equipment and supplies to be used in measuring shot peening arc height and other surface enhancement processes. Guidelines for use of these items can be found in SAE J443 and SAE J2597.
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