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The experimental and numerical studies on arrest process of a running crack

✍ Scribed by Kuang Zhen-Bang; Ma Fa-Shang; Wu Guang-Hao

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
465 KB
Volume
34
Category
Article
ISSN
0013-7944

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✦ Synopsis

The arrest process of a running crack meeting a small hole or arrest cylinder was studied by means of experimental and numerical methods. The results showed that velocity of the running crack increased when the crack approached a hole, but the velocity decreased rapidly when the running crack approached the arrest cylinder. Whether the running crack passes through the hole or arrest cylinder depends on the dynamic stress intensity factor and the notch toughness of the hole or the dynamic fracture toughness of the arrest cylinder.

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