Standard Test Method for Shear Testing of Aluminum Alloys

Abstract

5.1 The intent of this method is to provide a means of measuring the shear strength of aluminum-alloy wrought and cast products. Data obtained by this method are used to calculate minimum properties that can be utilized in the design of structural members such as found in aircraft. It is recognized that loading conditions developed by this test method, and by most others, are not ideal in that they do not strictly satisfy the definition of pure shear. However, rarely do pure shear conditions exist in structures. Note 1: Shear strength obtained by Test Method B769 is not interchangeable with that described in Test Method B565 and B831. Shear strengths obtained by this test method have been shown to differ from values determined with other methods.5 5.2 The presence of a lubricant on the surface of the specimen and fixture can result in shear strengths up to 3 % lower than those determined in the absence of lubrication (see 9.1 and Test Method B565). 5.3 Annex A1 provides a means of measuring the shear strength of additively manufactured products.