采用激光烧结成形技术研究了不同工艺参数对Fe-16%Ni金属粉末选区激光烧结成型件微观结构和致密性的影响.结果表明,随着脉冲宽度、扫描速度和铺粉厚度的增加,烧结后试样的密度先增加然后减少,随着扫描间距的增加,烧结后试样的密度减小.当脉冲宽度0.7 ms,扫描速度1000mm/min,铺粉厚度0.15 mm,扫描间距0.15 mm时,烧结成型件成型质量较好.
参考文献
| [1] | Dong Guo;Long-tu Li;Kai Cai .Rapid Prototyping of Piezoelectric Ceramics via Selective Laser Sintering and Gelcasting[J].Journal of the American Ceramic Society,2004(1):17-22. |
| [2] | 费群星,张雁,谭永生,赵靖,曹文斌.镍-青铜合金激光熔覆成形工艺研究[J].材料热处理学报,2008(01):141-145. |
| [3] | Lu L.;Chen ZD.;Leong CC.;Wong YS.;Fuh JYH. .In situ formation of TiC composite using selective laser melting[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2000(9):1555-1561. |
| [4] | Abe F;Costa Santors E;Kitamura Y .Influence of forming conditions on the titanium model in rapid prototyping with the selective laser melting process[J].Proceedings of the Institution of Mechanical Engineers Part C:Journal of Mechanical Engineering Science,2004,218(07):711-719. |
| [5] | J. P. Kruth;L. Froyen;J. Van Vaerenbergh .Selective laser melting of iron-based powder[J].Journal of Materials Processing Technology,2004(1/3):616-622. |
| [6] | Kozo Osakada;Masanori Shiomi .Flexible manufacturing of metallic products by selective laser melting of powder[J].International Journal of Machine Tools & Manufacture: Design, research and application,2006(11):1188-1193. |
| [7] | 吴伟辉,杨永强.选区激光熔化快速成形系统的关键技术[J].机械工程学报,2007(08):175-180. |
| [8] | 付立定,史玉升,章文献,刘锦辉,鲁中良.316L不锈钢粉末选择性激光熔化快速成形的工艺研究[J].应用激光,2008(02):108-111. |
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