Fatigue behavior of precipitation strengthened Cu–Ni–Si alloy modified by Cr and Zr addition

PurposeThe purpose of this paper is to investigate the fatigue behavior of precipitation-strengthened Cu‒2.55Ni‒0.55Si alloy, modified by the addition of 0.25 Cr and 0.25 Zr (wt%), using mechanical and fractographical studies to reveal the effect of microstructural features on the fracture.Design/me...

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Veröffentlicht in:	International journal of structural integrity 2020-12, Vol.11 (6), p.861-873
Hauptverfasser:	Atapek, Ş. Hakan, Pantelakis, Spiros, Polat, Şeyda, Chamos, Apostolos, Aktaş Çelik, Gülşah
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Aging (metallurgy) Alloys Annealing Chromium Copper Copper base alloys Fatigue cracks Fatigue tests Fracture surfaces Grain boundaries Intermetallic compounds Lei, Li Mechanical properties Metal fatigue Morphology Nickel Nucleation Precipitates Precipitation hardening Shearing Silicides Silicon Solid solutions Solution annealing Strengthening Striations Tensile strength Wang, Chen Yield stress Zirconium
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