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Growth of intergranular cracks by diffusion

✍ Scribed by M.V. Speight; W.B. Beeré; G. Roberts


Book ID
107827150
Publisher
Elsevier Science
Year
1978
Weight
725 KB
Volume
36
Category
Article
ISSN
0025-5416

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A theory of diffusion controlled intergr
✍ V. Vitek 📂 Article 📅 1978 🏛 Elsevier Science ⚖ 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