Simple design for fixture and specimen significantly improves crack-growth fracture testing of ceramics and other brittle materials. Makes it possible to impose crack-mouth-opening displacement that remains at or close to prescribed value even when crack extends. Important secondary advantages: geometry of specimen is simple, making specimen easy to machine; fit between pin and specimen provides self-aligning grip; contact stresses and probability of failure at or near loading spot reduced.
Controlled-Crack-Growth Testing Of Brittle Materials
NASA Tech Briefs ; 17 , 11
1993-11-01
Miscellaneous
No indication
English
Guidelines on brittle crack arrest
Online Contents | 2009
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