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Abstract:
为降低3D打印铜合金的生产成本,采用水雾化法制备的Cu-10Sn合金粉末作为原材料,进行激光选区熔化(SLM)试验。通过优化打印工艺参数获得几乎全致密的Cu-10Sn合金块体,其相对密度达99.7%。制备的Cu-10Sn合金主要由金属间化合物Cu_(41)Sn_(11)及α-Cu固溶体两相组成,其晶粒形态主要为沿凝固方向形成的柱状树枝晶和枝晶间相,并且在晶内分布有高密度位错。在准静态拉伸条件下,其屈服强度为(392±6) MPa,抗拉强度为(749±5) MPa,塑性变形量为29%±2.3%,综合力学性能远高于铸态Cu-10Sn合金。
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Source :
中国激光
Year: 2018
Issue: 10
Volume: 45
Page: 125-132
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 9
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