Fracture toughness measurements using two single-edge notched bend test methods in a single specimen

被引：15
|
作者：
Park, Dong-Yeob [1 ]
Gravel, Jean-Philippe [1 ]
机构：
[1] Nat Resources Canada, CanmetMAT, Calgary, AB, Canada
来源：
ENGINEERING FRACTURE MECHANICS | 2015年 / 144卷
关键词：
Fracture toughness; Single edge notched bend; Crack tip opening displacement; CTOD; Double clip gauge;
D O I：
10.1016/j.engfracmech.2015.06.033
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
SE(B) testing was conducted at room temperature on an X70 pipe material. Two toughness methods - ASTM E1820 and the double- clip gauge method - were combined in a single specimen to experimentally compare the J-conversion CTOD of ASTM E1820 with the geometrically-estimated CTOD under identical conditions. The results show that the difference in definition of CTOD strongly influences CTOD estimations. The paper discusses details of the experiment and the results. Crown Copyright (C) 2015 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：78 / 88
页数：11
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