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

页码：341 / 360

页数：20

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