... 19 86, p 30 9-3 34 37. B.L. Ferguson, Powder Metallurgy, Vol 7, ASM Handbook, American Society for Metals, 1984, p 64 6- 6 56 38. G. Friedman, Int. J. Powder Metall. Powder Technol., Vol 16 (No. ... Interscience, 1 961 , p 56 3-5 83 4. F.V. Lenel, Powder Metallurgy Principles and Applications, Metal Powder Industries Federation, 1980 5. P. Roberts, Tech. Paper MF 7 6- 3 91, SME, 19 76 6. G. Sachs and W. ... 93, 1 96 4-1 965 , p 20 1-2 17 65 . Extrusion: Process, Machinery, Tooling, American Society for Metals, 1981, p 10 0-1 01 66 . D. Green, J. Inst. Met., Vol 99, 1971, p 7 6- 8 0 Extrusion of Metal Powders*...