Published Online: 01 July 1985
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A ring-shaped clip-on displacement gage for fracture mechanics testing is described. The novel design of this gage offers superior sensitivity and operating conveniences compared with the conventional double-cantilever beam type gage referenced in ASTM fracture test standards. The construction of ring gages for room temperature and cryogenic applications is discussed.
MetallurgistMember of ASTM, Fracture and Deformation Division, National Bureau of Standards, Boulder, CO
Senior Engineer, Martin Marietta Aerospace, Denver Division, Denver, CO
Stock #: JTE11250J