A new 50Cr6Ni2Y alloy steel prepared by Direct laser Deposition: Its design, microstructure and properties

Xueting Chen, Suiyuan Chen,Tong Cui,Jing Liang, Changsheng Liu,Mei Wang

Optics & Laser Technology（2020）

Cited 13|Views13

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Abstract

•A new 50Cr6Ni2Y alloy steel powder was successfully designed and prepared by VIGA.•The 50Cr6Ni2Y alloy steel powder had good characteristics and DLD formability.•The dislocation and nano-sized (Fe,Cr)23C6 played a reinforcing properties effect.•The Orowan mechanism was the main precipitate strengthening mechanism.•This new alloy powder can meet DLD the sub-surface working layer of wear parts.

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Key words

Direct laser deposition (DLD),Composition design,50Cr6Ni2Y alloy steel, powder characteristics, hardness gradient,Bainite

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