ASTM B557-02a pdf free.Standard Test Methods of Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products. 7.8.1 To determine elongation after fracture，carefully fitends of the fractured specimen together and measure thedistance between the gage marks to the...
ASTM B557M-02a pdf free
ASTM B557M-02a pdf free.Standard Test Methods of Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products Changes in the strain rate can effect the yieldstrength, tensile strength, and elongation values, especially formaterials which are highly strain-rate sensitive....