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Crack tip plastic damage field and near field damage criterion

โœ Scribed by Changchun Li; Xiping Li; Guangxia Li

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
829 KB
Volume
35
Category
Article
ISSN
0013-7944

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โœฆ Synopsis

The damage theory is used to study the crack tip problem and the crack tip damage field is obtained. A near-field damage criterion is proposed based on micro experimental analysis. The relationship between the macro fracture parameter and the microstructure parameter of material has been obtained and proved by experimental results.

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โœ Tzu-Chiang Wang ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 575 KB

In this paper, based on the three-dimensional flow theory of plasticity, the fundamental equations for the plane strain problem of elastic-perfectly plastic solids are presented. By using these equations the elastic-plastic fields near the crack tip growing step-by-step in an elastic incompressible-