THE BIAXIAL INTERFEROMETRIC STRAIN GAGE.
Final rept. 1 Mar-30 Nov 69,
MICHIGAN STATE UNIV EAST LANSING DIV OF ENGINEERING RESEARCH
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The extension of interferometric strain measurement to biaxial strain fields using pyramidal diamond indenters to apply the gage was examined. Indentations so applied were found to give accurate measurements of the local strain. A configuration of three hexagonal indentations permits determination of general biaxial strains. Author
- Test Facilities, Equipment and Methods