High-Temperature Low-Cycle Fatigue Behavior of 625 Nickel-Base Superalloy Welding Joint-Reference-Cited by-同舟云学术

High-Temperature Low-Cycle Fatigue Behavior of 625 Nickel-Base Superalloy Welding Joint

Published:2014-08 Issue: Volume:618 Page:120-124
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Wang Yuan Yuan¹,Wang Bao Sen²,Chen Li Jia¹

Affiliation:

1. Shenyang University of Technology

2. Baoshan Iron and Steel Co., Ltd.

Abstract

High temperature low cycle fatigue properties and fracture behavior of Inconel 625 nickel-base superalloy welding joint at 760oC were investigated under fully reversed total strain-controlled mode. The fatigue life and cyclic stress-strain data were analyzed to determine the individual strain fatigue parameters. It is noted that the welding joint exhibits the cyclic strain hardening and stability. The fatigue cracks initiate predominantly on the free surface of fatigue specimens and propagate in an intergranular mode or a mixed transgranular and intergranular mode.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.618.120.pdf

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