Question

Erichsen test is concerned with
(a) hardness determination
(b) bending test
(c) cupping test
(d) impact test​

Answer 1

Answer:

hardness determination

Answer 2

Answer:

Erichsen test is concerned with cupping test.

Erichsen cupping test is a standard method used for assesing formability, ductility and adhesion of acoating, which induces silmilar strain as those experienced during forming. Erichsen test is qualitative and robust quality control method.