Linear-variable differential transformer replaces conventional resistance strain gages to measure crack-mouth-opening displacement. LVDT is superior in tests under liquid hydrogen, where boiling of hydrogen on resistive is suited to broad temperature range and hostile environments such as nuclear reactors.
LVDT gage for fracture-toughness tests in liquid hydrogen
NASA Tech Briefs ; 5 , 1
1980-08-01
Miscellaneous
No indication
English
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