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Technical Paper

“Use Of 75ST In Structural Applications”

1947-01-01
470140
The material known as 75ST is a new high strength aluminum alloy that can be used in certain aircraft structural applications to effect a saving in weight or an increase in strength or both over designs using other alloys. However, the structural engineer should be well acquainted with the advantages and limitations of this material before utilizing it in design.
Article

Zwick Roell provides flexible materials testing over a wide temperature range

2018-10-19
To enable the tests required for development work to be performed with maximum efficiency, the Zwick Roell Group (ZwickRoell) – a global supplier of materials testing machines based out of Ulm, Germany – developed a materials testing machine that can be equipped with both a temperature chamber and a high-temperature furnace.
Technical Paper

Zn-Ni Plating as a Cadmium Alternative

2007-09-17
2007-01-3837
In a 2-year program sponsored by SJAC, an aqueous electroplating process using alkaline Zn-Ni with trivalent chromium post treatment is under evaluation for high strength steel for aircraft application as an alternative to cadmium. Commercial Zn-15%Ni rack/barrel plating solutions are basis for plating aircraft parts or fasteners. Brightener was reduced from the original formula to form porous plating that enables bake-out of hydrogen to avoid hydrogen embrittlement condition. Properties of the deposit, such as appearance, adhesion, un-scribed corrosion resistance, and galvanic corrosion resistance in contact with Al alloy, were evaluated. Coefficient of friction was compared with Cd plating by torque-tension measurements. Evaluation of the plating for scribed corrosion resistance, primer adhesion, etc. will continue in FY2007.
Standard

Zinc Phosphate Treatment Paint Base

2023-09-21
WIP
AMS2480K
This specification covers the requirements for producing a zinc phosphate coating on ferrous alloys and the properties of the coating.
Standard

Zinc Phosphate Treatment Paint Base

2019-05-17
CURRENT
AMS2480J
This specification covers the requirements for producing a zinc phosphate coating on ferrous alloys and the properties of the coating.
Standard

ZINC PLATING

1991-10-01
HISTORICAL
AMS2402F
This specification covers the engineering requirements for electrodepositton of zinc and the properties of the deposit.
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