Fatigue crack growth behavior of a newly developed Ni–Co-base superalloy TMW-2 at elevated temperatures

► The fatigue crack growth rates increased significantly with increasing the temperature. ► Load ratio had a little (at 400°C) or moderate (at 650 and 725°C) influence on the fatigue crack growth rates. ► The load ratio effects were successfully accounted for by applying the Walker model. ► The frac...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2012-08, Vol.552, p.464-471
Hauptverfasser:	Zhong, Zhihong, Gu, Yuefeng, Yuan, Yong, Cui, Chuanyong, Yokokawa, Tadaharu, Harada, Hiroshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Corrosion Corrosion mechanisms Crack propagation Creep Creep (materials) Elasticity. Plasticity Exact sciences and technology Fatigue crack growth Fatigue failure Fracture mechanics Fractures High temperature Load ratio effect Mechanical properties Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Microstructure Ni-base superalloys Superalloys Temperature effect
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