Strength predictions for bulk structures fabricated from nanoscale tungsten powders

International Journal of Refractory Metals and Hard Materials

Volumn 23, Issue 2, 2005, Pages 77-84

  German, Randall M ^a   Olevsky, Eugene ^b  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b UTC Aerospace Systems   (United States)

Author keywords

Densification; Die compaction; Grain growth; Hardness; Model; Nanoscale; Sintering; Strength; Tungsten; Ultrafine powder

Indexed keywords

COMPACTION; DENSIFICATION; DIES; FABRICATION; GRAIN GROWTH; GRAIN SIZE AND SHAPE; HARDNESS; MICROSTRUCTURE; PARTICLE SIZE ANALYSIS; POWDER METALS; SINTERING; TUNGSTEN ALLOYS; TUNGSTEN COMPOUNDS; WEAR RESISTANCE;

DIE COMPACTION; NANOSCALE; PRESS-SINTER PROCESSING; ULTRAFINE POWDERS;

STRENGTH OF MATERIALS;

EID: 13944255895     PISSN: 02634368     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmhm.2004.10.002     Document Type: Article

References (58)

1. S.W.H. Yih, and C.T. Wang Tungsten: sources, metallurgy, properties, and applications 1979 Plenum Press New York, NY
2. L. Bartha, P. Atato, A.L. Toth, R. Porat, S. Berger, and A. Rosen Investigation of HIP sintering of nanocrystalline WC-Co powder J Adv Mater 32 3 2000 23 26
3. Ivanov E, Wickersham CE. Compaction of mechanically milled pure nanocrystalline tungsten. In Kneringer G, Rodhammer P, Wilhartitz P, editors. Proceedings of the fourteenth plansee seminar, vol. 1, Plansee AG, Reutte, Austria, 1997. p. 207-16
4. J.C. Kim, S.S. Ryu, and I.H. Moon Nanostructural characteristics and sintering behavior of W-Cu composite powder prepared by mechanical alloying J Adv Mater 31 October 1999 37 44
5. E.S. Yoon, J.S. Lee, S.T. Oh, and B.K. Kim Microstructure and sintering behavior of W-Cu nanocomposite powder produced by thermo-chemical process Int J Refract Metals Hard Mater 20 2002 201 206
6. A. Sampath, B.G. Ravi, H. Nguyen, and T.S. Sudarshan Enhancing thermal properties of W/Cu composites Powder Metall 44 2001 313 316
7. 3 particles by high-speed rotational impact blending Int J Refract Metals Hard Mater 21 2003 171 182
8. Azcona I, Ordonez A, Dominguez L, Sanchez JM, Castro F. Hot isostatic pressing of nanosized WC-Co hardmetals. In: Rodhammer P, Wildner H, editors. Proceedings fifteenth international plansee seminar, vol. 2, Plansee Holding, Reutte, Austria, 2001. p. 35-49
9. M.J. Yang, and R.M. German Nanophase and superfine cemented carbides process by powder injection molding Int J Refract Metals Hard Mater 16 1998 107 117
10. Sadangi RK, McCandlish LE, Kear BH, Seegopaul P. Grain growth inhibition in liquid phase sintered nanophase WC/Co alloys. Advances in powder metallurgy and particulate materials-1998, Metal Powder Industries Federation, Princeton, NJ, 1998. p. 1.51-1.60
11. McCandlish LE, Seegopaul P., Sadangi RK. The inhibition of WC grain growth during sintering of nanostructured WC-Co powder compacts. Advances in powder metallurgy and particulate materials-1995, Metal Powder Industries Federation, Princeton, NJ, 1995. p. 13.17-13.23
12. O. Seo, S. Kang, and E.J. Lavernia Growth inhibition of nano WC particles in WC-Co alloys during liquid phase sintering Mater Trans 44 2003 2339 2345
13. K. Hayashi, and N. Matsuika Grain size condition for abnormal grain growth in fine-grained WC-Co hardmetal estimated by numerical calculation based on two kinds of grain size alloy model J Adv Mater 34 2002 38 48
14. German RM, Ma J, Wang X, Olevsky E. Processing opportunities for the fabrication of bulk nanoscale tungsten materials, P/M Science and Technology Briefs, in review
15. N.C. Kothari Effects of particle size on the sintering kinetics in tungsten powder Powder Metall 7 1964 251 260
16. G.S. Upadhyaya Materials science of cemented carbides-an overview Mater Design 22 2001 483 489
17. M.F. Ashby A first report on sintering diagrams Acta Metall 22 1974 275 289
18. B.R. Patterson, V.D. Parkhe, and J.A. Griffin Effect of particle size distribution on sintering G.C. Kuczynski D.P. Uskokovic H. Palmour M.M. Ristic Sintering '85 1987 Plenum Press New York, NY 43 51
19. V.V. Panichkina, V.V. Skorohod, and N.P. Pavlenko Porous structure of sintered tungsten Sov Powder Metall Metal Ceramic 16 1977 950 951
20. Skorokhod VV, Panichkina VV. Effect of particle size distribution on initial powder sintering stage. In: Proceedings 1998 PM World Congress, Granada, Spain, published on CD by European Powder Metallurgy Association, Shrewsbury, UK, December 1998
21. M.I. Alymov, E.I. Maltina, and Y.N. Stepanov Model of initial stage of ultrafine metal powder sintering Nanostruct Mater 4 1994 737 742
22. B.R. Patterson, Y. Liu, and J.A. Griffin Degree of pore-grain boundary contact during sintering Metall Trans 21A 1990 2137 2139
23. N.C. Kothari Sintering kinetics in tungsten powder J Less-Common Metals 5 1963 140 150
24. R.M. German Sintering theory and practice 1996 John Wiley and Sons New York, NY
25. R.M. German Powder metallurgy science 2nd ed. 1994 Metal Powder Industries Federation Princeton, NJ
26. I. Nettleship, R.J. Mcafee, and W.S. Slaughter Evolution of the grain size distribution during the sintering of alumina at 1350 °C J Amer Ceramic Soc 85 2002 1954 1960
27. R.M. German Particle packing characteristics 1989 Metal Powder Industries Federation Princeton, NJ
28. E. Lassner, and W.D. Schubert Tungsten: properties, chemistry, technology of the element, alloys and chemical compounds 1999 Kluwer Academic/Plenum Publishers New York, NY
29. I.H. Moon, and Y.S. Kwon The relationship between compactability and shrinkage rate in activated sintering of nickel-doped tungsten Powder Metall 17 1974 363 369
30. R.M. German Particle size influences on the strength relation for air sintered aluminum Metall Trans 6A 1975 1964
31. B.R. Patterson, and V.D. Parkhe Particle size distribution effects on sintering of spherical tungsten Progress Powder Metall 41 1985 347 354
32. T. Pieczonka, J. Frydrych, and S. Stolarz Liquid phase sintering of Ni-BN compacts W.A. Kaysser W.J. Huppmann Horizons of powder metallurgy. Part II 1986 Verlag Schmid Freiburg, Germany 1231 1234
33. R.M. German, and Z.A. Munir Enhanced low-temperature sintering of tungsten Metall Trans 7A 1976 1873 1877
34. V.V. Panichkina, V.V. Skorohod, and N.P. Pavlenko Porous structure of sintered tungsten Sov Powder Metall Metal Ceram 16 1977 950 951
35. 2 sintering atmospheres on properties of compacted tungsten powder Trans Amer Soc Metals 56 1963 468 476
36. T. Vasilos, and J.T. Smith Diffusion mechanism for tungsten sintering kinetics J Appl Phys 35 1964 215 217
37. S. Gowri, and J.A. Lund Sintering diagrams for tungsten spheres and compacts A. Bose R.J. Dowding Tungsten and tungsten alloys-1992 1993 Metal Powder Industries Federation Princeton, NJ 183 194
38. L.C. Chen Dilatometric analysis of sintering of tungsten and tungsten with ceria and Hafnia dispersions Int J Refrac Metals Hard Mater 12 1994 41 51
39. C. Selcuk, R. Bentham, N. Morley, and J.V. Wood Sintering indexes: monitoring microstructure in porous tungsten Int J Powder Metall 39 6 2003 45 51
40. A. Frisch, W.A. Kaysser, and G. Petzow Densification maps and defect healing during sinter/HIP of polyphase materials Advances in powder metallurgy vol. 2 1989 Metal Powder Industries Federation Princeton, NJ 431 444
41. T.E.M. Staab, R. Krause-Rehberg, B. Vetter, B. Kieback, G. Lange, and P. Klimanek The influence of microstructure on the sintering process in crystalline metal powders investigated by positron lifetime spectroscopy: II. Tungsten powders with different powder particle sizes J Phys: Condens Matter 11 1999 1787 1806
42. H. Su, and D.L. Johnson Master sintering curve: a practical approach to sintering J Amer Ceram Soc 79 1996 3211 3217
43. German RM, Ma J, Wang X, Olevsky E. Model for the press-and-sinter processing of nanoscale Tungsten powders. Acta Mater, submitted for publication
44. J.H. Rosolowski, and C. Greskovich Theory of the dependence of densification on grain growth during intermediate-stage sintering J Amer Ceram Soc 58 1975 177 182
45. T.K. Gupta Possible correlation between density and grain size during sintering J Amer Ceram Soc 55 1972 276 277
46. R.L. Coble, and T.K. Gupta Intermediate stage sintering G.C. Kuczynski N.A. Hooton C.F. Gibbon Sintering and related phenomena 1967 Gordon and Breach New York, NY 423 441
47. Z.Z. Du, and A.C.F. Cocks Constitutive models for the sintering of ceramic components-I. Material models Acta Metall Mater 40 1992 1969
48. S.C. Samanta, and R.L. Coble Correlation of grain size and density during intermediate-stage sintering of Ag J Amer Ceram Soc 55 1972 583
49. M.A. Occhionero, and J.W. Holloran The influence of green density upon sintering G.C. Kuczynski A.E. Miller G.A. Sargent Sintering and heterogeneous catalysis 1984 Plenum Press New York, NY 89 102
50. T.S. Yeh, and M.D. Sacks Effect of particle size distribution on the sintering of alumina J Amer Ceram Soc 71 1988 C484
51. 4 Ferrite J Amer Ceram Soc 87 2004 571 577
52. V. Richter, and M.V. Ruthendorf On hardness and toughness of ultrafine and nanocrysalline hard materials Int J Refrac Metals Hard Mater 17 1999 141 152
53. Z. Shen, M. Johnsson, Z. Zhao, and M. Nygern Spark plasma sintering of alumina J Amer Ceram Soc 85 2002 1921 1927
54. Zych L, Haberko K. Shaping and sintering of ceramic nanopowders. In: Ristic MM, editor. Science of sintering: current problems and new trends. Serbian Academy of Sciences and Arts, Beograd, Serbia, 2003. p. 99-107
55. Schwenke GK. Thermodynamics of the hydrogen-carbon-tungsten system, as applied to the manufacture of tungsten and tungsten carbide. In: Rodhammer P, Wildner H, editors. Proceedings fifteenth international plansee seminar, vol. 2, Plansee Holding, Reutte, Austria, 2001. p. 647-61
56. T. Sekino, J. Yu, Y.H. Choa, J.S. Lee, and K. Niihara Reduction and sintering of alumina/tungsten nanocomposites J Ceram Soc Japan 108 2000 541 547
57. T.H. Kim, J.H. Yu, and J.S. Lee The mechanism of hydrogen reduction synthesis of nanocomposite W-Cu powders Nanostruct Mater 9 1997 213 216
58. S. Wahlberg, I. Grenthe, and M. Muhammed Nanostructured hard material composites by molecular engineering 1. Synthesis from soluble tungstate salts Nanostruct Mater 9 1997 105 108