R curve obtained by a round bar with a circumferential crack and its effectiveness for a fracture toughness test (For a material with medium fracture toughness)

A non-standard circumferentially cracked round bar (CRB) specimen has been examined for replacement of the standard fracture toughness CT specimen since 1981. In the case of a material with low fracture toughness, the CRB specimen can be substituted for the CT specimen. However, when it is applied t...

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Bibliographic Details
Published in:Nihon Kikai Gakkai ronbunshu
Main Authors: Koichi KASABA, Shinichiro MORISHITA, Tatsuya SUGITANI
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2024-02-01
Subjects:
fracture toughness
j-r curve
j-integral
circumferentially cracked round bar (crb)
fracture surface
strain constraint
Online Access:https://www.jstage.jst.go.jp/article/transjsme/90/930/90_23-00233/_pdf/-char/en

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https://www.jstage.jst.go.jp/article/transjsme/90/930/90_23-00233/_pdf/-char/en

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