The purpose of the test is to obtai

The purpose of the test is to obtain fatigue data, i.e. RMS Stress/strain versus number of cycles to failure (S/N curves). The criteria for coupon failure is usually a 2% decrease in resonant frequency of the test coupon, or visible/detectable damage

Результаты (английский) 1:

The purpose of the test is to obtain fatigue data, i.e. the RMS Stress/strain has been carried out versus the number of cycles to failure (S/N curves). The criteria for coupon failure is usually a 2% decrease in resonant frequency of the test coupon, or visible/detectable damage

Результаты (английский) 3:

the purpose of the test is to obtain fatigue data, i.e. rms stress / causes versus number of both to failure (s / n curves). the criteria for coupon failure is usually a 2% decrease in resonant frequency of the test coupon, or visible / detectable damage