The graded material of 316L stainless steel－Ni-based alloy－Ti6Al4V formed by laser rapid forming process

Acta Metall Sin

2008, Vol. 44

Issue (7): 826-830 DOI:

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The graded material of 316L stainless steel－Ni-based alloy－Ti6Al4V formed by laser rapid forming process

北京有色金属研究总院

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. The graded material of 316L stainless steel－Ni-based alloy－Ti6Al4V formed by laser rapid forming process. Acta Metall Sin, 2008, 44(7): 826-830 .

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Abstract The graded material of 316L stainless steel/Ni-based alloy/Ti6Al4V was fabricated from metal powders using laser rapid forming process. The as-formed graded material is fully dense and free of cracks. The microstructure of the graded segment of 316L stainless steel to Ni-based alloy consists of γphase and the hardness values increase with the increment of the content of Ni-based alloy. A series of phase evolutions, , along the graded segment of Ni-based alloy to Ti6Al4V have occurred. The maximum hardness value (HV10830) was measured at the weight ratio of 80% Ni-based alloy to 20% Ti6Al4V, then the hardness values decrease with the increment of the content of Ti6Al4V.

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Received: 05 November 2007

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