Investigation of dynamic fracture toughness (JId) behaviour of strength mis-matched Q & T steel weldments using instrumented Charpy impact testing

被引：31

作者：

Angamuthu, K ^{[1
]}

Guha, B ^{[1
]}

Achar, DRG ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Met Engn, Madras 600036, Tamil Nadu, India

来源：

ENGINEERING FRACTURE MECHANICS | 1999年 / 64卷 / 04期

关键词：

welds; mismatch; dynamic fracture; J-integral;

D O I：

10.1016/S0013-7944(99)00093-4

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Instrumented Charpy impact testing has been used for evaluating the dynamic fracture behaviour of mis-matched Q & T steel weldments. The effect of strength mis-match on the dynamic fracture toughness (J(ld)) and dynamic crack resistance curves (J(d)-R) of HAZ and weld metals specimens are discussed. The crack propagation and mode of failure due to impact loading are analyzed through SEM and correlated with dynamic resistance curves. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：417 / 432

页数：16

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