ASTM E1561-26

Annotation of standard text ASTM E1561-26 :

This practice defines a reference axis for each of the two principal types of rosette configurations and the equations used for three-element strain gage rosette data analysis. The primary uses of this analysis procedure are to determine the directions and magnitudes of the principal surface strains, and to determine residual stresses. This is important for consistency in reporting results and for avoiding ambiguity in data analysis, especially when computers are used. There are several possible sets of equations, but the set presented herein is perhaps the most common.


Keywords:
Mohr’s circle, principal strain, principal stress, strain, strain gage rosette, stress,, ICS Number Code 77.040.99 (Other methods of testing metals)