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Residual Stress and Spontaneous Fracture (NiS Inclusions)
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Spontaneous and delayed fracture (years after installation) of tempered glass, caused by the alphabetic phase transformation of microscopic nickel sulfide inclusions within the stress zone of the core (M5).

ID:('ky', 1764)

gphysics.net - Dr. Willy H. Gerber
Palos Verdes, Costa de Corral, Región de los Rios, Chile