Computational evaluation of resistance of fracture capacity for SUS304L of liquefied natural gas insulation system under cryogenic temperatures using ABAQUS user-defined material subroutine

被引：25

作者：

Kim, Seul-Kee ^{[1
]}

Lee, Chi-Seung ^{[1
]}

Kim, Jeong-Hyeon ^{[1
]}

Kim, Myung-Hyun ^{[1
]}

Lee, Jae-Myung ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Naval Architecture & Ocean Engn, Pusan 609735, South Korea

来源：

MATERIALS & DESIGN | 2013年 / 50卷

基金：

新加坡国家研究基金会;

关键词：

Cryogenic resistance of fracture capacity; Damage mechanics; Finite element analysis; ABAQUS user-defined material subroutine; INDUCED MARTENSITIC-TRANSFORMATION; AUSTENITIC STAINLESS-STEEL; CRACK-PROPAGATION; DEFORMATION-BEHAVIOR; MECHANICAL-BEHAVIOR; STRAIN-RATE; MODE-I; TOUGHNESS; SIMULATION; PLASTICITY;

D O I：

10.1016/j.matdes.2013.03.064

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A computational method for evaluating the resistance of fracture capacity of austenitic stainless steel (SUS304L) under ambient and cryogenic temperatures was proposed in the present study. To do this, a unified elasto-viscoplastic-damage model which can take into consideration the material nonlinearity under cryogenic temperature was adopted and implicitly formulated. In addition, the developed model is implemented into ABAQUS as a type of user-defined material subroutine UMAT. In order to verify the proposed method, the simulation results of resistance of fracture capacity are compared to a series of crack tests such as double-edge-cracked and center-cracked tension tests of SUS304L plates under ambient and cryogenic temperatures. Namely, the relationships between force and displacement as well as allowable crack length and allowable stress regarding to room and cryogenic temperatures are evaluate/predicted using the proposed method. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：522 / 532

页数：11

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