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| 1 | 选区激光熔化成形Inconel718合金的研究现状显示文摘介绍了Inconel718合金,简述了选区激光熔化技术的特点和加工过程,以及选区激光熔化成形Inconel718合金制造的参数对成型试样性能有重要的影响。通过热处理可以改善合金的力学性能,讨论了Inconel718合金中δ相对该合金的影响。 | 刘岩松 那明博 牟义强 郑欣 王帆 | 2020 | 特种铸造及有色合金2020，40，12： | 4 |
| 2 | Effects of geometrical characteristics on defect distributions in alloy components produced by selective laser melting显示文摘Selective laser melting(SLM)has been applied to manufacture various alloy components with excellent properties,but its further application is restricted by the intrinsic defects.In this work,the internal defect distributions in samples of three alloys(316L stainless steel,AlSi10Mg and Inconel 718)were investigated respectively,considering the effects of geometrical characteristics of the samples.The defects in the 316L stainless steel sample tend to be formed densely in the central part with large wall thickness,indicating a strong sensitivity to heat accumulation.Contrarily,the Inconel 718 sample shows a higher relative density with homogeneous defect distribution,indicating better formability for the SLM process.For the AlSi10Mg sample,the defect density keeps increasing as the deposition goes on.Typically,the defect density located at sample edges shows an abnormally high level comparing with the inner part,especially in the top sections of AlSi10Mg and Inconel 718 samples.The results are helpful for the geometrical design,the adjustment of building orientation and the further optimization of process parameters in the SLM process. | Yao Cai Tao Lu Gui-dian Ma Wang Li Ye Pan Hui Ding | 2021 | China Foundry2021，18，4： | 0 |
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