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体能量密度对选区激光熔化钛合金表面质量及致密度的影响

易涛 成靖 赵仲哲 荣鹏

易涛, 成靖, 赵仲哲, 荣鹏. 体能量密度对选区激光熔化钛合金表面质量及致密度的影响[J]. 钢铁钒钛, 2022, 43(4): 75-79. doi: 10.7513/j.issn.1004-7638.2022.04.012
引用本文: 易涛, 成靖, 赵仲哲, 荣鹏. 体能量密度对选区激光熔化钛合金表面质量及致密度的影响[J]. 钢铁钒钛, 2022, 43(4): 75-79. doi: 10.7513/j.issn.1004-7638.2022.04.012
Yi Tao, Cheng Jing, Zhao Zhongzhe, Rong Peng. Effect of volumetric energy density on surface roughness and density of selective laser melted titanium alloy[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(4): 75-79. doi: 10.7513/j.issn.1004-7638.2022.04.012
Citation: Yi Tao, Cheng Jing, Zhao Zhongzhe, Rong Peng. Effect of volumetric energy density on surface roughness and density of selective laser melted titanium alloy[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(4): 75-79. doi: 10.7513/j.issn.1004-7638.2022.04.012

体能量密度对选区激光熔化钛合金表面质量及致密度的影响

doi: 10.7513/j.issn.1004-7638.2022.04.012
详细信息
  • 中图分类号: TF823

Effect of volumetric energy density on surface roughness and density of selective laser melted titanium alloy

  • 摘要: 分别对选区激光熔化的激光功率、扫描间距进行了研究,引入了激光体能量密度,综合分析了工艺参数对钛合金致密度及表面粗糙度的影响。试验结果表明:随着体能量密度的增大,所加工出的金属样的表面粗糙度呈减小趋势。而通过调节激光功率使体能量密度增大的方式更有利于加工出更高致密度的金属零件。
  • 图  1  激光功率对表面粗糙的影响

    Figure  1.  The effect of laser power on surface roughness

    图  2  不同激光功率制备的表面形貌

    Figure  2.  The 3D surface morphologies prepared at different laser powers

    图  3  扫描间距对表面粗糙的影响

    Figure  3.  The effect of scanning distance on surface roughness

    图  4  不同扫描间距制备的表面形貌

    Figure  4.  The 3D surface morphologies prepared at different scanning distance

    图  5  体能量密度对表面粗糙的影响

    Figure  5.  The effect of volumetric energy density on surface roughness

    图  6  不同工艺参数制备的样品内部截面示意

    (a)~(d)为调节扫描间距调控能量密度的方式;(e)~(h)为调节激光功率调控能量密度的方式

    Figure  6.  The internal cross section of samples prepared with different process parameters

    图  7  体能量密度对致密度的影响

    Figure  7.  The effect of volumetric energy density on sample density

    表  1  工艺参数设计方案

    Table  1.   Selected technical parameters

    编号激光功率/W扫描速度/(mm·s−1扫描间距/mm铺粉厚度/mm体能量密度VED/(J·mm−3
    1709000.10.02531.1
    2809000.10.02535.6
    3909000.10.02540.0
    41009000.10.02544.4
    5909000.110.02536.4
    6909000.120.02533.3
    7909000.130.02530.8
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-12-01
  • 刊出日期:  2022-09-14

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