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激光能量密度对金属粉末直接激光烧结球化的影响 被引量：1

Effect of Specific Energy on Spheroidization During Direct Laser Sintering of Metal Powder
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摘要 在金属粉末直接激光烧结成形时,球化效应是一个非常不利的因素。此次采用球化效应较为明显的316L不锈钢粉末进行烧结实验,分析了球化效应产生的原因,对实验中产生的规律性现象进行了解释,并着重讨论了工艺参数中的扫描速率对表面球化的影响。实验表明,当扫描速率使得激光能量密度达到合适值时,可明显降低球化效应产生的程度。 Spheroidization is an extraordinary adverse factor for direct metal laser sintering of metal powder. 316L stainless steel powder had been adopted in this sintering test. Spheroidization of 316L stainless steel powder during laser sintering was investigated, regular phenomena in this test was studied, and the efl＇ects of processing parameters such as laser power, scanning speed were discussed.
作者 杨文庆 卢军
机构地区 陕西科技大学
出处 《工具技术》 北大核心 2008年第3期61-63,共3页 Tool Engineering
关键词 直接金属激光烧结 金属粉末 球化效应 能量密度 扫描速率 direct metal laser sintering, metal powder, spheroidization, specific energy, scanning speed
分类号 TF124 [冶金工程—粉末冶金] TQ342.2 [化学工程—化纤工业]
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参考文献7

  • 1Abdolreza Simchi, Frank Pelzoldt, Haiko Pohl. Direct metal laser sintering: material considerations and mechanisms of particle bonding. The International Journal of Power Metallurgy, 2001, 37(2) :49 - 61.
  • 2M K Agarwala, D L Bourell, B Joseph et al. Direct selective laser sintering of metals. Rapid Prototyping Journal, 1995,1 ( 1 ) : 26 - 36.
  • 3Wang X C, Laouit, Bonse J et al. Direct selective laser sintering of hard metal powders: Experimental study and simulation. International journal of advance manufacture technology, 2002, 19:351 - 357.
  • 4张剑峰,管荣根,沈以赴,赵剑峰,黄因慧.金属粉末激光选区烧结过程的特征探讨[J].东南大学学报（自然科学版）,2004,34(1):54-57. 被引量：13
  • 5潘琰峰,沈以赴,顾冬冬,杨家林,王洋.316不锈钢粉末直接激光烧结的球化效应[J].中国机械工程,2005,16(17):1573-1576. 被引量：14
  • 6M K Agarwala, D L Bourell, Benny Wu et al. An evaluation of the mechanical behavior of bronze-Ni composition produced by selective laser sintering. Proceedings of the Solid Freeform Fabrication Symposium, The University of Texas at Austin, Austin, TX, 1993 : 193 - 202.
  • 7Morgan R, Sutcliffe C J, O' Neill W. Density analysis of direct metal laser re-melted 316L stainless steel cubic primitives. Journal of Materials Science,2001,39(4) : 1195- 1205.

二级参考文献15

  • 1张建华,赵剑峰,田宗军,花国然,黄因慧,胡育文.镍基合金粉末的选择性激光烧结试验研究[J].机械工程,2004,15(5):431-434. 被引量：15
  • 2[1]Simchi Abdolreza, Petzoldt Frank, Pohl Haiko. Direct metal laser sintering: material considerations and mechanisms of particle bonding [J]. The International Journal of Powder Metallurgy, 2001,37(2): 49-61.
  • 3[2]Agarwala Mukesh, Bourell David, Beaman Joseph, et al. Direct selective laser sintering of metals[J]. Rapid Prototyping Journal, 1995,1(1): 26-36.
  • 4[3]Shen Ping, Hu Jiandong, Guo Zuoxing, et al. A study on laser sintering of Fe-Cu powder compacts[J]. Metallurgical and Materials Transactions A, 1999, 30(8): 2229-2235.
  • 5[4]Subramanian Kamatchi, Vail Neal, Barlow Joel, et al. Selective laser sintering of alumina with polymer binders[J]. Rapid Prototyping Journal, 1995, 1(2):24-35.
  • 6Agarwala M, Bourell D, Beaman J, et al. Direct Selective Laser Sintering of Metals. Rapid Prototyping Journal, 1995, 1(1): 26-36.
  • 7Song Y A. Experimental Study of the Basic Process Mechanism for Direct Selective Laser Sintering of Low- melting Metallic powder. Annals of the CIRP, 1997, 46(1): 127-130.
  • 8Engel B, Bourell D L. Titanium Alloy Powder Preparation for Selective Laser Sintering. Rapid Prototyping Journal, 2000, 6(2):97-106.
  • 9Simchi A, Pohl H. Effects of Laser Sintering Processing Parameters on the Microstructure and Densification of Iron Powder. Materials Science and Engineering A, 2003, 359(1-2): 119-128.
  • 10Morgan R, Sutcliffe C J, O'Neill W. Density Analysis of Direct Metal Laser Re-melted 316L Stainless Steel Cubic Primitives. Journal of Materials Science, 2001,39(4) : 1195-1205.

共引文献25

同被引文献7

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二级引证文献4

工具技术
2008年 第3期

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