DICTIONARY

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Allowables -
Minimum tensile and yield strengths of mechanically fastened joints used for the design of aircraft joint structures.
Alloy -
A material having metallic properties, and composed of two or more chemical elements of which at least one is an elemental metal.
Alloying Elements -
Chemical elements combined with a metal in order to alter and improve the properties of the base metal.
AMS -
Specifications prepared and published by the Society of Automotive Engineers (SAE) for the purpose of establishing requirements for raw material and fabricated parts used by the aerospace industry.
Amsler -
Swiss manufacturer of fatigue testing machines. TheAmsler Vibrophore, a high frequency electromagneticresonance machine, is used extensively for fatigue testingby the fastener industry.
Angularity -
Angular deviation of a surface from its specified orientation.
Anneal -
Anodic Etching -
See Etching
Anodize -
An oxide conversion coating on a metal surface produced by making the metal the anode in an electrolyticbath. Usually applied to aluminum and titanium forcorrosion protection.
Austenite -
A solid solution of face-centered cubic iron and carbon. Occurs at elevated temperatures in all but heavilyalloyed steels or stainless steels, and decomposes on cooling to form the final microstructure.
Axial Load -
Force applied through the axis of a fastener or structure.


A B C D E F G H I J K L M N O P Q R S U V W Y Z