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3D打印激光制备多孔镍合金组织和力学性能研究

张敏 刘畅 任博 严凯 陈长军 王晓南

张敏, 刘畅, 任博, 严凯, 陈长军, 王晓南. 3D打印激光制备多孔镍合金组织和力学性能研究[J]. 中国光学(中英文), 2016, 9(3): 335-341. doi: 10.3788/CO.20160903.0335
引用本文: 张敏, 刘畅, 任博, 严凯, 陈长军, 王晓南. 3D打印激光制备多孔镍合金组织和力学性能研究[J]. 中国光学(中英文), 2016, 9(3): 335-341. doi: 10.3788/CO.20160903.0335
ZHANG Min, LIU Chang, REN Bo, YAN Kai, CHEN Chang-jun, WANG Xiao-nan. Microstructure and mechanical properties of porous Ni alloy fabricated by laser 3D printing[J]. Chinese Optics, 2016, 9(3): 335-341. doi: 10.3788/CO.20160903.0335
Citation: ZHANG Min, LIU Chang, REN Bo, YAN Kai, CHEN Chang-jun, WANG Xiao-nan. Microstructure and mechanical properties of porous Ni alloy fabricated by laser 3D printing[J]. Chinese Optics, 2016, 9(3): 335-341. doi: 10.3788/CO.20160903.0335

3D打印激光制备多孔镍合金组织和力学性能研究

基金项目: 

国家自然科学基金资助项目 No.51104110

苏州市科技基础研究计划资助项目 No.SYG201231

详细信息
    作者简介:

    张敏(1978-),女,辽宁辽阳人,博士,副教授,硕士生导师,2001年、2004年和2007年于东北大学分别获得学士、硕士、博士学位,主要从事多孔材料制备与金属激光加工方面的研究。E-mail:mzhang@aliyun.com

    通讯作者:

    陈长军(1976—),男,湖北随州人,博士,教授,硕士生导师,2000年于东北大学获得学士学位,2006年于中科院金属研究所获得博士学位,主要从事激光制造与再制造方面的研究。E-mail:chenchangjun@suda.edu.cn

  • 中图分类号: TG456.7

Microstructure and mechanical properties of porous Ni alloy fabricated by laser 3D printing

Funds: 

Supported by National Natural Science Foundation of China No.51104110

Suzhou City Basic Research Program of Science and Technology Project of China No.SYG201231

  • 摘要: 采用3D打印激光熔化技术制备了多孔镍基合金,并对其显微组织构成和压缩力学性能进行了分析。研究结果表明,采用3D打印激光熔化技术制备的多孔镍合金,孔隙率为14.68%~18.97%、抗压强度为461~535 MPa,其微观组织主要呈现γ-Ni枝晶,压缩断口为撕裂式枝晶断裂。

     

  • 图 1  镍铬合金粉末SEM照片

    Figure 1.  SEM photo of Ni-Cr alloy powder

    图 2  激光加工截面示意图

    Figure 2.  Schematic section diagram of porous Ni alloy by laser processing

    图 3  多孔镍合金实物图

    Figure 3.  Picture of porous Ni alloy

    图 4  激光扫描多孔镍合金表面形貌特征

    Figure 4.  Microstructure photos of sample surface of porous Ni alloy prepared by laser 3D printing

    图 5  多孔镍合金的应力应变曲线

    Figure 5.  Stress-strain curves of porous Ni alloy

    图 6  压缩断口SEM照片

    Figure 6.  SEM photos of compression fracture

    表  1  镍基合金粉末的成分

    Table  1.   Composition of Ni-based alloy powder

    CCrBSiNi
    0.154.51.02.6Balance
    下载: 导出CSV

    表  2  不同功率参数多孔镍合金的平均孔径和孔隙率

    Table  2.   Average pore size and porosity of porous nickel alloy in different laser powers

    功率参数/W平均孔径/mm孔隙率/%
    1000.4014.68
    1100.4218.96
    1200.5018.97
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-01-29
  • 修回日期:  2016-02-26
  • 刊出日期:  2016-01-25

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