Effect of die compaction pressure on densification behavior of molybdenum powders

International Journal of Refractory Metals and Hard Materials

Volumn 25, Issue 1, 2007, Pages 16-24

  Garg, Pranav ^a   Park, Seong Jin ^b   German, Randall M ^b  

^a The Pennsylvania State University   (United States)

^b MISSISSIPPI STATE UNIVERSITY   (United States)

Author keywords

Activation energy; Die compaction; Dilatometer; Master sintering curve; Molybdenum

Indexed keywords

ACTIVATION ENERGY; COMPACTION; DENSIFICATION; DENSITY (OPTICAL); DIES; DILATOMETERS; PRESSURE EFFECTS; SINTERING;

ACCURATE DENSITY PREDICTION; DIE COMPACTION; MASTER SINTERING CURVE; OPTIMUM SINTERING;

MOLYBDENUM POWDER METALLURGY;

EID: 33750316496     PISSN: 02634368     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmhm.2005.10.014     Document Type: Article

References (38)

1. Freeman R.R. Properties and applications of commercial molybdenum and molybdenum alloys. In: Harwood J.H. (Ed). The metal molybdenum (1956), American Society for Metals, Ohio 10-30
2. Baroch E.F., Ostermann M., and Patrick G. Applications of powder metallurgy molybdenum in the 1990s. Adv Powder Metall 5 (1991) 321-331
3. Herzig A.J. The potential and future of molybdenum and its alloys. In: Harwood J.H. (Ed). The metal molybdenum (1956), American Society for Metals, Ohio 4-9
4. Begley R.T. Molybdenum for aircraft gas turbine applications. In: Harwood J.H. (Ed). The metal molybdenum (1956), American Society for Metals, Ohio 408-419
5. Mawella K.J.A., Standing D.J., Cowan K.G., and Jones J.S. Processing of molybdenum for use as a shaped charged liner material. In: Crowson A., Chen E.S., and Subramanian P.R. (Eds). TMS annual meeting (1998), TMS, Pennsylvania 183-194
6. Sakamoto T. Sintering behavior of Mo powder compact applied SPS spark plasma sintering method. J Jpn Soc Powder Powder Metall 44 (1997) 845-850
7. Shankar S., and Murr L.E. Heat treatment of explosively consolidated molybdenum: TEM studies. J Mater Sci Lett 3 (1984) 15-17
8. Srivatsan T.S., Ravi B.G., Naruka A.S., Riseter L., Petraroli M., and Sudarshan T.S. The microstructure and hardness of molybdenum powders consolidated by plasma pressure compaction. Powder Technol 114 (2001) 136-144
9. German R.M., and Munir Z.A. Heterodiffusion model for the activated sintering of molybdenum. J Less-Common Met 58 (1878) 61-74
10. Uskokovic D., Zivkovic M., Zivanovic B., and Ristic M.M. Kinetics and mechanism of molybdenum powder sintering. High Temp High Pressures 3 (1971) 461-470
11. Uskokovic D., Petkovic J., and Ristic M.M. Study of the kinetics and mechanism of sintering under constant heating rates. Sci Sintering 8 (1976) 129-148
12. Rabin H., and German R.M. Recent developments in the sintering of molybdenum. In: Miska K.H., Semchyshen M., Whelan E.P., and Kruzich D.J. (Eds). Physical metallurgy and technology of molybdenum and its alloys (1986), Amax Metals Group, Michigan 101-105
13. German R.M., and Labombard C.A. Sintering molybdenum treated with Ni, Pd and Pt. Int J Powder Metall Powder Technol 18 (1982) 147-156
14. Lejbrandt M.M., and Rutkowski W. Effect of nickel addition on sintering of molybdenum. Int J Powder Metall Powder Technol 14 (1978) 17-30
15. Zovas P.E., and German R.M. Retarded grain boundary mobility in activated sintered molybdenum. Metall Trans A 15A (1983) 1103-1110
16. Hofmann H., Grosskopf M., Hofmann-Amtenbrink M., and Petzow G. Sintering behavior and mechanical properties of activated sintered molybdenum. Powder Metall 29 (1986) 201-206
17. Hiraoka Y., Ogusu T., and Yoshizawa N. Decrease in yield strength of molybdenum by addition of small amounts of group VIII elements. J Alloys Compd 381 (2004) 192-196
18. Hwang K.S., and Huang H.S. Identification of the segregation layer and its effect on the activated sintering and ductility of Ni-doped molybdenum. Acta Mater 51 (2003) 3915-3926
19. Hwang K.S., and Huang H.S. Ductility improvement of Ni-added molybdenum compacts through the addition of Cu and Fe powders. Int J Refract Hard Mater 22 (2004) 185-191
20. Gurosik JD. Evaluation of processing conditions for pure molybdenum components manufacturing by uniaxial pressing and powder injection molding. A Master's Thesis in Engineering Science and Mechanics, The Pennsylvania State University, University Park, 2003.
21. Smith J.T. Diffusion mechanism for the nickel-activated sintering of molybdenum. J Appl Phys 36 (1965) 595-598
22. German R.M. Powder metallurgy and particulate materials processing (2005), Metal Powder Industries Federation, Princeton, NJ
23. Brooks K. New ways to make moly as it enters nano-phase production. Met Powder Rep 59 (2004) 18-21
24. German R.M., and Olevsky E. Strength predictions for bulk structures fabricated from nanoscale tungsten powders. Int J Refract Hard Mater 23 (2005) 77-84
25. Su H., and Johnson D.L. Master sintering curve: a practical approach to sintering. J Am Ceram Soc 79 (1996) 3211-3217
26. Shima S., and Oyane M. Plasticity theory for porous metals. Inter J Mech Sci 18 (1976) 33-50
27. Kwon Y.S., Lee H.T., and Kim K.T. Analysis for cold die compaction of stainless-steel powder. ASME J Eng Mater Tech 119 (1997) 366-373
28. Kwon Y.S., Chung H.S., Sanderow H.I., Kim K.T., and German R.M. Numerical analysis and optimization of die compaction process. Adv Powder Metall Part Mater (2003) 37-50
29. German R.M. Sintering theory and practice (1996), John Wiley and Sons, New York
30. Teng M.H., Lai Y.C., and Chen Y.T. A computer program of master sintering curve model to accurately predict sintering results. West Pac Earth Sci 2 (2002) 171-180
31. Blaine DC, Gurosik JD, Park SJ, Heaney D, German RM. Master sintering curve concepts as applied to the sintering of molybdenum. Metall Mater Trans A; in press.
32. Roscoe K.H., Schofield A.N., and Thurairajah A. Yielding of clay in states wetter than critical. Geotechnique 13 (1963) 211-240
33. Schofield A.N., and Wroth C.P. Critical state soil mechanics (1968), McGraw-Hill, London
34. Drucker D.C., and Prager W. Soil mechanics and plastic analysis or limit design. Quart Appl Math 10 (1952) 157-165
35. Shui A., Uchida N., and Uematsu K. Origin of shrinkage anisotropy during sintering for uniaxially pressed alumina compacts. Powder Technol 127 (2002) 9-18
36. Shui A., Kato Z., Tanaka S., Uchida N., and Uematsu K. Sintering deformation caused by particle orientation in uniaxially and isostatically pressed alumina. J Eur Ceram Soc 22 (2002) 311-316
37. Lame O., Bouvard D., and Weidemann H. Anisotropic shrinkage and gravity induced creep during sintering of steel powder compacts. Powder Metall 45 (2002) 181-185
38. Kushnarev B., Olevsky E., and Tikare V. Modeling of anisotropic sintering in porous media. Int SAMPE Tech Conf (2004) 555-563