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通过激光粉末床熔融技术增材制造的316L/Inconel 625梯度多材料合金的 ...
本研究首次通过激光粉末床熔融(LPBF)工艺采用阶梯式成分变化制造316L/Inconel 625梯度材料,实现了低孔隙率(0.1%)和微裂纹可控。显微分析显示梯度区晶粒细化(D50 15-44.8μm)且析出物分布均匀,硬度随Inconel 625含量增加从230HV0.5升至302HV0.5。拉伸测试表明纵向 ...
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