W-15 wt%Cu nano-composite produced by hydrogen-reduction/sintering of WO3-CuO nano-powder

International Journal of Refractory Metals and Hard Materials

Volumn 28, Issue 3, 2010, Pages 441-445

  Ahmadi, E ^a   Malekzadeh, M ^a   Sadrnezhaad, S K ^a,b  

^a MATERIALS AND ENERGY RESEARCH CENTER   (Iran)

^b SHARIF UNIVERSITY OF TECHNOLOGY   (Iran)

Author keywords

Hydrogen reduction; Nano composite; Sintering; W Cu

Indexed keywords

AVERAGE PARTICLE SIZE; GRAIN SIZE; HIGHER TEMPERATURES; HOMOGENEOUS STRUCTURE; NANO POWDERS; SCANNING ELECTRON MICROSCOPES; TWO STAGE; W-CU; X RAY DIFFRACTOMETERS;

HYDROGEN; NANOCOMPOSITES; SCANNING ELECTRON MICROSCOPY; TUNGSTEN ALLOYS; TUNGSTEN COMPOUNDS; X RAY DIFFRACTION;

SINTERING;

EID: 77949487974     PISSN: 02634368     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmhm.2010.02.002     Document Type: Article

References (22)

1. Yoon E.S., Lee J.S., Oh S.T., and Kim B.K. Microstructure and sintering behavior of W-Cu nanocomposite powder produced by thermo-chemical process. Int J Refract Met Hard Mater 20 (2002) 201-206
2. 3-CuO powder mixtures with various milling time. J Alloys Compd 354 (2003) 234-239
3. Wang W.S., and Hwang K.S. The effect of tungsten particle size on the processing and properties of infiltrated W-Cu compacts. Met Mater Trans 29A (1998) 1509-1516
4. Kecskes L.J., Klotz B.R., Cho K.C., Dowding R.J., and Trexler M.D. Densification and structural change of mechanically alloyed W-Cu composites. Met Mater Trans 32A (2001) 2885-2893
5. Joo S.K., Lee S.W., and Ihn T.H. Effect of cobalt addition on the liquid-phase sintering of W-Cu prepared by the fluidized bed reduction method. Met Mater Trans 25A (1994) 1575-1578
6. Lee S., Hong M.H., Noh J.W., and Baek W.H. Microstructural evolution of a shaped-charge liner and target materials during ballistic tests. Met Mater Trans 33A (2002) 1069-1074
7. Kim D.G., Lee K.W., Oh S.T., and Kim Y.D. Preparation of W-Cu nanocomposite powder by hydrogen-reduction of ball-milled W and CuO powder mixture. Mater Lett 58 (2004) 1199-1203
8. 3-CuO nanocomposite powders produced by high energy ball milling process. J Ceram Process Res 3 (2002) 109-113
9. Kim D.G., Kim G.S., Suk M.J., Oh S.T., and Kim Y.D. Effect of heating rate on microstructural homogeneity of sintered W-15 wt%Cu nanocomposite fabricated from W-CuO powder mixture. Scr Mater 51 (2004) 677-681
10. 3-CuO powder mixtures. Mater Sci Eng 399A (2005) 326-331
11. 3-CuO powder mixture and its sintering characteristics. Mater Sci Eng 395A (2005) 333-337
12. Kim D.G., Kim G.S., Oh S.T., and Kim Y.D. The initial stage of sintering for the W-Cu nanocomposite powder prepared from W-CuO mixture. Mater Lett 58 (2004) 578-581
13. German R.G., and Olevsky E. Strength predictions for bulk structures fabricated from nanoscale tungsten powder. Int J Refract Met Hard Mater 23 (2005) 77-84
14. Li D.R., Liu Z.Y., Yu Y., and Wang E.D. Numerical simulation of hot hydrostatic extrusion of W-40 wt.% Cu. Mater Sci Eng 499A (2009) 118-122
15. Schubert W.D. Kinetics of the hydrogen reduction of tungsten oxides. Int J Refract Met Hard Mater 9 (1990) 178-191
16. Haubner R., Schubert W.D., Hellmer H., Lassner E., and Lux B. Mechanism of technical reduction of tungsten: part 2, hydrogen reduction of tungsten blue oxide to tungsten powder. Int J Refract Met Hard Mater 2 (1983) 156-163
17. Haubner R., Schubert W.D., Lassner E., Schreiner M., and Lux B. Mechanism of technical reduction of tungsten, part I. Int J Refract Met Hard Mater 2 (1983) 108-115
18. Li Y., Qu X., Zheng Z., Lei C., Zou Z., and Yu S. Properties of W-Cu composite powder produced by a thermo-mechanical method. Int J Refract Met Hard Mater 21 (2003) 259-264
19. Dorfman L.P., Houck D.L., Scheithauer M.J., and Frisk T.A. Synthesis and hydrogen reduction of tungsten-copper composite oxides. J Mater Res 17 (2002) 821-830
20. Dorfman L.P., Houck D.L., and Scheithauer M.J. Consolidation of tungsten-coated copper composite powder. J Mater Res 17 (2002) 2075-2084
21. Yoo MK, Park JK, Hong KT, Choi J. Tungsten skeleton structure fabrication method employed in application of copper composite material fabrication method thereof. United States Patent 5963773; 1999.
22. Tjong S.C., and Chen H. Nanocrystalline materials and coatings. Mater Sci Eng 45R (2004) 1-88