A theory of diffusion controlled intergr
β
V. Vitek
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Article
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1978
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Elsevier Science
β 1021 KB
A theory of intergranular creep crack growth in brittle materials has been developed. The mechanism of crack propagation is removal of atoms from the crack tip by stress induced grain boundary diffusion, and their deposition at the grain boundary. The width of the crack is assumed to be constant dur