Brittle crack propagation/arrest behavior in steel plate - Part II: Experiments and model validation

被引：33
|
作者：
Shibanuma, Kazuki [1 ]
Yanagimoto, Fuminori [1 ]
Namegawa, Tetsuya [1 ,3 ]
Suzuki, Katsuyuki [2 ]
Aihara, Shuji [1 ]
机构：
[1] Univ Tokyo, Dept Syst Innovat, Tokyo 1138654, Japan
[2] Univ Tokyo, Ctr Engn, Res Artifacts, Tokyo 1138654, Japan
[3] Nippon Steel & Sumitomo Met Corp, Tokyo, Japan
来源：
ENGINEERING FRACTURE MECHANICS | 2016年 / 162卷
关键词：
Brittle fracture; Crack propagation; Arrest toughness; Steel plate; The long crack problem; FRACTURE-TOUGHNESS; ARREST BEHAVIOR; MICROSTRUCTURES; CLARIFY; ALLOY;
D O I：
10.1016/j.engfracmech.2016.02.053
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The proposed model formulation for brittle crack propagation/arrest behaviors in a steel plate has been validated by comparing with experiments of temperature gradient and duplex crack arrest tests. The proposed model formulation successfully predicted the experimental results, such as (1) a deviation from the empirical knowledge in the relationship between arrest toughness and temperature evaluated by the temperature gradient tests, and (2) a transition region of the crack arrest behavior evaluated by the duplex tests. The results consequently showed a possible solution to "the long crack problem", which was not solved in the past studies. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：341 / 360
页数：20
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