Question

Do materials have intrinsic breaking stress or breaking strain

Answer 1

Answer:

Breaking stress is an intrinsic property of a material. It depends on nothing but the nature of the material. In the first part you may have been asked about the breaking 'force' or something like that; breaking stress is fixed.

Explanation:

Answer 2

Answer:

The true breaking stress of a material, however, is the actual intensity of the stress at the broken surface, and is, of course, greater than the nominal breaking stress, because of the reduced area of the broken surface. To avoid confusion, I will call the true breaking stress the “intrinsic strength” of the material.