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1篇 您的检索式:作者名="Manping Cheng"
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1Direct fabrication of single-crystal-like structure using quasi-continuous-wave laser additive manufacturing显示文摘The synchronously periodic re-melting of molten pool was firstly introduced in additive manufacturing to promote the epitaxial growth of columnar structure using a novel quasi-continuous-wave(QCW)laser.The epitaxial growth of columnar structure was intensified and the single-crystal-like sample with highly oriented 'zigzag' columnar grains was produced.The modified molten-pool geometry and the synchronously high-frequency re-melting of the molten pool contribute to the formation of singlecrystal-like structure.This work reports a new route to promote the continuously epitaxial growth of dendrites for fabrication of single-crystal-like sample.Hui Xiao Manping Cheng Lijun Song 2021Journal of Materials Science & Technology2021,,1:3
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