The role of La2O3 in direct laser sintering of submicrometre WC-Cop/Cu MMCs

Journal of Physics D: Applied Physics

Volumn 41, Issue 9, 2008, Pages

  Gu, Dongdong ^a   Shen, Yifu ^a  

^a NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS   (China)

Author keywords

[No Author keywords available]

Indexed keywords

DENSIFICATION; LASER APPLICATIONS; METALLIC MATRIX COMPOSITES; MICROSTRUCTURE; REINFORCEMENT; SINTERING; SURFACE TENSION;

LASER SINTERING; MATRIX INTERFACIAL BONDING;

LANTHANUM COMPOUNDS;

EID: 42549085117     PISSN: 00223727     EISSN: 13616463     Source Type: Journal    
DOI: 10.1088/0022-3727/41/9/095308     Document Type: Article

References (37)

1. Xiao B and Zhang Y W 2007 Laser sintering of metal powders on top of sintered layers under multiple-line laser scanning J. Phys. D: Appl. Phys. 40 6725-34
2. Kruth J P, Levy G, Klocke F and Childs T H C 2007 Consolidation phenomena in laser and powder-bed based layered manufacturing CIRP Ann.-Manuf. Technol. 56 730-59
3. Fischer P, Leber H, Romano V, Weber H P, Karapatis N P, André C and Glardon R 2004 Microstructure of near-infrared pulsed laser sintered titanium samples Appl. Phys. A 78 1219-27
4. Das S, Beaman J J, Wohlert M and Bourell D L 1998 Direct laser freeform fabrication of high performance metal components Rapid Prototyping J. 4 112-7
5. Kruth J P and Kumar S 2005 Statistical analysis of experimental parameters in selective laser sintering Adv. Eng. Mater. 7 750-5
6. Simchi A, Petzoldt F and Pohl H 2003 On the development of direct metal laser sintering for rapid tooling J. Mater. Process. Technol. 141 319-28
7. Bourell D, Wohlert M, Harlan N, Das S and Beaman J 2002 Powder densification maps in selective laser sintering Adv. Eng. Mater. 4 663-9
8. Tang Y, Loh H T, Wong Y S, Fuh J Y H, Lu L and Wang X 2003 Direct laser sintering of a copper-based alloy for creating three-dimensional metal parts J. Mater. Process. Technol. 140 368-72
9. Kruth J P, Kumar S and Van Vaerenbergh J 2005 Study of laser-sinterability of ferro-based powders Rapid Prototyping J. 11 287-92
10. Zhu H H, Fuh J Y H and Lu L 2005 Microstructural evolution in direct laser sintering of Cu-based metal powder Rapid Prototyping J. 11 74-81
11. Dewidar M M, Dalgarno K W and Wright C S 2003 Processing conditions and mechanical properties of high-speed steel parts fabricated using direct selective laser sintering Proc. Inst. Mech. Eng. B: J. Eng. Manuf. 217 1651-63
12. Childs T H C, Hauser C and Badrossamay M 2005 Selective laser sintering (melting) of stainless and tool steel powders: experiments and modelling Proc. Inst. Mech. Eng. B: J. Eng. Manuf. 219 339-57
13. Santos E C, Shiomi M, Osakada K and Laoui T 2006 Rapid manufacturing of metal components by laser forming Int. J. Mach. Tool Manuf. 46 1459-68
14. Donnchadha B and Tansey A 2004 A note on rapid metal composite tooling by selective laser sintering J. Mater. Process. Technol. 153-154 28-34
15. Breval E, Cheng J P, Agrawal D K, Gigl P, Dennis A, Roy R and Papworth A J 2005 Comparison between microwave and conventional sintering of WC/Co composites Mater. Sci. Eng. A 391 285-95
16. Zhu H H, Lu L and Fuh J Y H 2004 Influence of binder's liquid volume fraction on direct laser sintering of metallic powder Mater. Sci. Eng. A 371 170-7
17. Maeda K and Childs T H C 2004 Laser sintering (SLS) of hard metal powders for abrasion resistant coatings J. Mater. Process. Technol. 149 609-15
18. Simchi A, Petzoldt F and Pohl H 2001 Direct metal laser sintering: material considerations and mechanisms of particle bonding Int. J. Powder Metall. 37 49-61
19. Simchi A 2006 Direct laser sintering of metal powders: mechanism, kinetics and microstructural features Mater. Sci. Eng. A 428 148-58
20. Grd A, Krakhmalev P and Bergström J 2006 Microstructural characterization and wear behavior of (Fe,Ni)-TiC MMC prepared by DMLS J. Alloys Compounds 421 166-71
21. Wu C M L, Yu D Q, Law C M T and Wang L 2004 Properties of lead-free solder alloys with rare earth element additions Mater. Sci. Eng. R 44 1-44
22. Yang M C 2004 Preparation of WC-Co based nanocomposite powders and alloys PhD Dissertation Institute of Metal Research, Chinese Academy of Sciences
23. Niu H J and Chang I T H 1999 Selective laser sintering of gas and water atomized high speed steel powders Scr. Mater. 41 25-30
24. Zhu H H, Lu L, Fuh J Y H and Wu C C 2006 Effect of braze flux on direct laser sintering Cu-based metal powder Mater. Des. 27 166-70
25. Tolochko N, Mozzharov S, Laoui T and Froyen L 2003 Selective laser sintering of single- and two-component metal powders Rapid Prototyping J. 9 68-78
26. Das S 2003 Physical aspects of process control in selective laser sintering of metals Adv. Eng. Mater. 5 701-11
27. Tian Y S, Chen C Z, Chen L X and Huo Q H 2006 Effect of RE oxides on the microstructure of the coatings fabricated on titanium alloys by laser alloying technique Scr. Mater. 54 847-52
28. Wang K L, Zhang Q B, Sun M L, Wei X G and Zhu Y M 2001 Rare earth elements modification of laser-clad nickel-based alloy coatings Appl. Surf. Sci. 174 191-200
29. Yuan Z F, Ke J J and Li J 2006 Surface Tension of Metals and Alloys (Beijing: Science Press)
30. Niu H J and Chang I T H 1999 Instability of scan tracks of selective laser sintering of high speed steel powder Scr. Mater. 41 1229-34
31. Wang K L, Zhang Q B, Sun M L and Wei X G 2003 Microstructural characteristics of laser clad coatings with rare earth metal elements J. Mater. Process. Technol. 139 448-52
32. 3 on corrosion resistance of laser clad ferrite-based alloy coatings Corros. Sci. 48 273-84
33. Tolochko N K, Mozzharov S E, Yadroitsev I A, Laoui T, Froyen L, Titov V I and Ignatiev M B 2004 Balling processes during selective laser treatment of powders Rapid Prototyping J. 10 78-87
34. Tolochko N K, Mozzharov S E, Yadroitsev I A, Laoui T, Froyen L, Titov V I and Ignatiev M B 2004 Selective laser sintering and cladding of single-component metal powders Rapid Prototyping J. 10 88-97
35. Zhai Q J, Guan S K and Shang Q Y 1999 Alloy Thermo-Mechanism: Theory and Application (Beijing: Metallurgy Industry Press)
36. Ji Z S 2000 Effect of RE-B-Al on composition of permeation layer J. Chin. Rare Earth Soc. 18 27-30
37. Zhong H R 1998 Chemical Heat Treatment of Steels with Rare Earth (Beijing: National Defence Industry Press)