Question

Residual stresses are also known as locked-in stresses.

(a) True

(b) False

I have been asked this question at a job interview.

The doubt is from Residual Stress in portion Cooling and Solidification of Casting-Forming-Welding I

Answer 1

The correct option is (a) True

The best explanation: Residual stresses or locked-in stresses are defined as the stresses existing within a body in the absence of external loading or thermal gradients. In other words, residual stresses in a material or component are those stresses which exist in the body without the application of any other external loads or forces.