·444. 北京科技大学学报 2002年第4期 高速度，减少制造时间.在制备功能型金属零件 Metal Components Using LENS[C].In:Imam M A,De- 时，则需进行试验，寻找最佳P与V的搭配，以获 Nale R,Hanada S,et al eds.Proc PRICM3.The Minerals, 得高性能的金属零件.此外，送粉速率G及均匀 Metals&Materials Society,1998.1581 2 Magee J,Watkins K G,Steen WM.Advances in Laser For- 送粉也是影响金属零件成型非常重要的因素， ming[J].Journal of Laser Applications,1998,10(6):235 3 Xue L,Islam MU,Free-form Laser Consolidation for Pro- 3结论 ducing Metallurgically Sound and Functional Compon- ents[J].Journal of Laser Applications,2000,12(4),160 (1)采用激光快速成型先进技术可制备出组 4 Zhang X D,Zhang H,Grylls R J,et al.Laser-Deposited 织致密、化学成分均匀的金属零件. Advanced Materials.Journal of Advanced Materials, (2)激光快速成型的金属件的力学性能和由 2001,33(1).17 常规方法制成的零件的力学性能相当，表明激 5 Keicher D M,Smugeresky J E,Romero J A,et al.Using 光快速成型制成的金属零件可满足实际使用要 the Laser Engineered Net Shaping(LENS)Process to Pro- duce Complex Components from a CAD Solid Model[J]. 求. SPIE,1999,299(3):91 6孙毓超，刘一波，王秦生，金刚石工具与金属学基础 参考文献 M.北京：中国建材工业出版社，1999 1 Schlienger E,Dimos D.Near Net Shape Production of Investigation on the Fully Dense Metal Part by Laser Rapid Prototyping XI Mingzhe",ZHANG Yongzhong",SHI Likai2,CHENG Jing? 1)Material Science and Engineering School,UST Beijing,Beijing 100083,China 2)General Research Institute for Nonferrous Metals,Beijing 100088,China ABSTRACT The rectangle thin wall tube of 316 stainless steel and the contortion thin wall tube of 663 copper alloy are fabricated by Laser Rapid Prototyping.The fabricated metal parts are identical with blue print.The as-formed metal parts are fully dense,homogenous and free of defects.Chemical composition analysis show that the chemical composition distribution of metal parts is uniform and the chemical composition of metal parts is same as that of metal powder.The mechamical properties of the metal parts by Laser Rapid Prototyping are equal to that of the materials by conventionally processed method. KEY WORDS Laser Rapid Prototyping;316L stainless steel;663 copper alloy北 京 科 技 大 学 学 报 20 0 2 年 第 4 期 高速度 , 减少制造时间 . 在制备功能型金属 零件 时 , 则需进行试验 , 寻找最佳尸与 V的搭配 , 以获 得高性能的金属零件 . 此外 , 送粉速率 G及均匀 送粉也是影响金属零件成型 非常重要的 因 素 . 3 结论 ( l) 采用激 光快速成 型先进技术可 制备出组 织 致密 、 化学成分均匀的 金属零件 . (2 )激光快速成型 的金属 件的力学性能和 由 常规方法制成的 零件的力学性能相 当 , 表 明激 光快速成型 制成的金属零件可满足实际 使用要 求 . 参 考 文 献 1 S e h li e gn er E , D加o s D . N e ar N d s h a P e P or du ct i o n o f M e t a l C o m P o n e in s U s in g L E N S [C ] . I n : Im am M A , D e - N a l e R , H an ad a S , e t a l e d s . P r o e P RI C M 3 . T h e Mi n e r a l s , Me atl s & M at e ir a l s S o e i e ty, 19 9 8 . 1 5 8 1 2 M a g e e J , 认恤t k i n s K G , s et e n W M . A Vd an e e s i n L a s e r F o r - m i n g【J ] . J o unr a l o f L a s er A p li e at i o n s , 1 9 9 8 , 10 ( 6 ) : 2 3 5 3 X 能 L , I s l am M U , F er e 一 fo mr L a s e r C o n s o lid a tl o n fo r P r o - d u c ign M aet l l u 堪i e al ly S o un d an d F un e it on al C om P o n - e nst [ J ] . J o unr a l o f L as e r A p li e at i o n s , 2 000 , 1 2( 4) , 1 60 4 z h a n g X n , z h a n g H , G叮l l s R J , at a l . L as e -r D e p o s iet d A vd an c e d M at ier a l s . J o u r n a l o f A vd an e e d M at e ir a l s , 2 0 0 1 , 3 3 ( l ) , 17 5 K e i e h e r D M , Sm u ge er s ky J E , oR m e r o J A , et a l . U s i n g th e L as e r E n g i n e e er d N e t s h aP i n g ( L E N S) P r o e e s s ot P r o - d u e e C o m Pl e x C o m P o n e nst for m a C A D S o li d M o d e l [J ] . 5 P I E , 19 9 9 , 2 99 ( 3 ) : 9 1 6 孙毓 超 , 刘一 波 , 王秦 生 . 金刚石 工具与金 属学基 础 「M ] . 北 京 : 中国建材工业 出版 社 , 19 9 Ivn e s t i g at i o n o n ht e F u lly D e n s e M e t a l P art b y L a s e r R ap i d P r o t o t y P i n g 灯 赫 刀岁六el) , Z月月N G oY n 岁h o ng 2) , `贷才ZL iak i z), C月 E N G iJ 刀才 户 l )初 a t ier al Sic en e e an d助 g in e e r i n g S e h o o l , U S T B ej i n g , B iej i n g 10 0 0 8 3 , hC in a 2 ) Ge n e r a l eR s e acr h hsI tiot 1e of r N o n fe or us M aet l s , B e ij in g l 0 0 0 8 8 , C h i n a A B S T R A C T hT e r e c t an g l e ht in w a ll tu b e o f 3 16 st a in l e s s st e e l an d ht e e Ont ort i o n t h i n w a l1t u b e o f 6 6 3 e o P Pe r a ll o y are af b ir e ate d by L a s er R a P ld P r ot ty Pin g . T h e afb ir e at e d m e t a l Part s ar e id e nt i e a l w iht b l u e P r int . hT e a s 一 of rm e d m e atl Part s ar e ful ly ds n s e , ho m o g e n o u s an d fr e e o f de fe e t s . C h e m i e al e o m P o s it ion an ly s i s s h ow ht at t h e e he m i c a l e o 玫IP o s it o n d l s itr b iut on o f m et a l P art s 1 5 u n ifo n n an d t h e e h e m i e a l e o m P o s it ion o f m e at l P art s 1 5 s am e a s t h at o f m e alt P ow d e r ` hT e m e e h a m i e a l Por P e rt i e s o f ht e m eat l P art s b y L a s e r R a Pld P r o ot yt Pi n g ar e e qu a l ot ht at o f t h e m aet ir al s 勿 e o n v e nt ion a ll y rP o e e s s e d m e ht o d . K E Y W O R D S L a s er R a Pid P r o t o yt Pign : 3 16 L s t a in l e s s s t e e l: 6 6 3 c o PPer a ll o y