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Some problems in the J-integral

✍ Scribed by Zhen-Bang Kuang

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
339 KB
Volume
19
Category
Article
ISSN
0013-7944

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✦ Synopsis

For a blunt crack thei-integral is path dependent on contours which are very close to the crack tip even for elastic material. Using the incremental J-integral theory we introduce a new parameter J, characterizing the behavior of a crack tip and prove that thej-integral is almost path independent on contours whose radii are greater than several GOD if u,,,AQ -c,Ao$ = 0 in plastic regions for elasto-plastic material.

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