What is the purpose of tensile audition within metal forming & double cup extrusion?

Answers:
The tensile test is one of the most comprehensive methods in materials carrying out tests. From pulling apart a single sample, many bits and pieces properties can be deduced, such as:

Stiffness (elastic modulus)

Yield Strength (closely correlated to the hardness)

Ultimate Tensile Strength

Elongation (deformation up to that time fracture)

Each of these properties is important to determining the parameters during metal forming. Source(s): B.S. surrounded by Materials Science

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