Influences of welding processes on fatigue life of cruciform joints of pressure vessel grade steels containing LOP defects

被引：4

作者：

Balasubramanian, V ^{[1
]}

Guha, B ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Met Engn, Mech Testing Lab, Madras 600036, Chennai, India

来源：

MECHANICS OF MATERIALS | 2000年 / 32卷 / 05期

关键词：

shielded metal are welding; flux cored are welding; cruciform joint; lack of penetration; fatigue life;

D O I：

10.1016/S0167-6636(99)00049-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influences of two welding processes, namely, shielded metal are welding (SMAW) and flux cored arc welding (FCAW), on fatigue life of cruciform joints, containing lack of penetration (LOP) defects, have been studied. Load carrying cruciform joints were fabricated from high strength, quenched and tempered steels of pressure vessel (ASTM 517 'F') grade. Fatigue crack growth experiments were carried out in a mechanical resonance vertical pulsator (SCHENCK 200 kN capacity) with a frequency of 30Hz under constant amplitude loading (R = 0). It was found that the fatigue lives of the cruciform joints fabricated by the SMAW process were relatively higher than the FCAW counterpart. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：265 / 276

页数：12

共 33 条

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