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The role of dislocations in the fracture of prestrained AISI 4340 steel

โœ Scribed by M. Nabil Bassim


Publisher
Elsevier Science
Year
1987
Weight
683 KB
Volume
95
Category
Article
ISSN
0025-5416

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Dislocation movement in the brittle frac
โœ J Congleton; N.J Petch ๐Ÿ“‚ Article ๐Ÿ“… 1966 ๐Ÿ› Elsevier Science โš– 503 KB

The stress required for the brittle fracture of alumina from drilled or fine adventitous cracks increases rapidly as the tem~rature is lowered even when static fatigue is absent. It is argued that fracture arises from dislocation movement at the cracks. This contradicts the normal concept of alumina