Stress rupture properties of GH4169 superalloy | Zendy

Xudong Lü | Zendy; Jinhui Du | Zendy; Qun Deng | Zendy; Jingyun Zhuang | Zendy

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Stress rupture properties of GH4169 superalloy

Author(s) -

Xudong Lü,

Jinhui Du,

Qun Deng,

Jingyun Zhuang

Publication year - 2014

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2014.03.003

Subject(s) - superalloy , materials science , alloy , creep , metallurgy , stress (linguistics) , fabrication , medicine , linguistics , philosophy , alternative medicine , pathology

GH4169 alloy is a nickel-based superalloy extensively used in the aircraft engine industry because of its excellent mechanical properties and good fabrication ability. The mechanical properties of the GH4169 at high temperature, rupture stress under severe condition deserves a close attention. In this paper, the creep rupture of the GH4169 alloy under constant load and different temperatures from 550 °C to 700 °C conditions is systematically evaluated and major impact factors in the stress rupture behavior are analyzed. Furthermore, an improving method for the alloy stress rupture is proposed

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