Heat treatment for selective laser melting of Inconel 718 alloy with simultaneously enhanced tensile strength and fatigue properties

Inconel 718 alloy fabricated by selective laser melting (SLM) was used to investigate the evolution of precipitated phase from as-SLM to heat-treated (HT) samples. A heat treatment, including homogenization, solution and aging heat treatments, was proposed to obtain SLMed Inconel 718 alloy component...

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Veröffentlicht in:	Journal of alloys and compounds 2022-08, Vol.913, p.165171, Article 165171
Hauptverfasser:	Wang, Weizhan, Chen, Zhigang, Lu, Wenjie, Meng, Fangao, Zhao, Taiyong
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Aging (metallurgy) Boundaries Chemical precipitation Crystal defects Fatigue life Fatigue properties Grain boundaries Grain boundary migration Grain growth Heat treating Heat treatment Homogenization Inconel 718 alloy Laser beam melting Mechanical properties Metal fatigue Nickel base alloys Room temperature Selective laser melting Solid solutions Superalloys Tensile strength
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