Influence of carbon activity and oxygen potential of sintering atmospheres on the microstructural characteristics of low alloy P/M steels

Materials Science Forum

Volumn 426-432, Issue 5, 2003, Pages 4337-4342

  Ortiz, P ^a   Castro, F ^a  

^a CEIT   (Spain)

Author keywords

Astaloy Chrome; Decarburisation; Oxide reduction; Sintering atmospheres

Indexed keywords

CARBURIZING; DECARBURIZATION; METALLOGRAPHIC MICROSTRUCTURE; PRESSURE EFFECTS; REDUCTION; SINTERING; STEEL POWDER METALLURGY; TENSILE STRENGTH; THERMAL EFFECTS;

ENDOTHERMIC REACTIONS;

STEEL ANALYSIS;

EID: 0037662183     PISSN: 02555476     EISSN: 16629752     Source Type: Book Series    
DOI: 10.4028/www.scientific.net/msf.426-432.4337     Document Type: Conference Paper

References (16)

1. V. Arnhold, "Parameters affecting the dimensional change of sintered components," in Adv. In Powder Met. & Particulate Materials, vol. 3. Princeton: MPIF, 1994, pp. 237.
2. D. L. Mitchell, D. J. Bowe, J. G. Marsden, K. R. Berger, and D. Garg, "Novel Noncryogenic Nitrogen-Based Atmospheres for the P/M Industry," Int J Powder Met., vol. 29, pp. 21-26, 1993.
3. S. Mocarski, "High Temperature sintering of ferrous powder metal in nitrogen base atmospheres," in New Perspectives in Powder Metallurgy, vol. 9. Pinceton: MPIF, 1990, pp. 191.
4. M. A. Phillips, P. Pourtalet, and W. Allard, "Economical on-site nitrogen atmospheres for sintering and heat treating," in Adv. In Powder Met. & Particulate Materials, vol. 3. Princeton: MPIF, 1994.
5. G. F. Bocchini, "Sintering of carbon steels: controlled atmospheres,equipment, practical results," in Powder Metallurgy in Automotive Applications: Science Publishers, 1998, pp. 159.
6. H. Danninger, "New PM steels-newly defined atmospheres," in Workshop on Sintering Atmospheres for Ferrous PM Components, TUV, Ed. Vienna, 1999, pp. 25.
7. D. Garg, K. R. Berger, J. G. Marsden, and G. Plicht, "N2 based atmospheres for sintering carbon steel components," Met. Powder Rep., vol. 54, pp. 20, 1999.
8. P. Nash, C.-J. Wen, M. Phillips, and E. Lumpkins, "Influence of dew point of a N2/10%H2 atmosphere on the sintering and the mechanical properties of FC0208," in Adv. in Powder Met. & Particulate Materials, vol. 1. Seattle: MPIF, 1995, pp. 4/95-4/111.
9. E. Mosca, "Controlled Atmospheres in Powder Metallurgy," in Sintering Theory and Practice, An intensive short course, EPMA, Ed. Turin, 1996, pp. 97.
10. P. Beiss, "Thermodynamics of Protective Atmosphere Control," in Workshop on Sintering Atmospheres for Ferrous PM Components, TUV, Ed. Vienna, 1999, pp. 1-23.
11. J. A. Bas, "Controlled Sintering Process for Advanced PM Steels," in Sintering Theory and Practice, An intensive short course, EPMA, Ed. Turin, 1996, pp. 156.
12. M. A. Phillips and M. Renowden, "A New Carbon Control-System for Sintering Atmospheres," in Adv. In Powder Met. & Particulate Materials, 1992, pp. 157.
13. M. Hull, "AstaloyCrM: new generation powder from Hoganas," Powder Met., vol. 41, pp. 232, 1998.
14. H. J. T. Ellingham, "Reducibility of Oxides and Sulfides in Metallurgical Processes," J. Soc. Chem. Ind., vol. 63, pp. 125, 1944.
15. T. Tunberg, L. Nyborg, and C. X. Liu, "Enhanced Vacuum Sintering of Water-Atomized Austenitic Stainless-Steel Powder by Carbon Addition," in Adv. In Powder Met. & Particulate Materials. Princeton NJ: MPIF, 1992, pp. 383.
16. Hoganas, Iron and Steel Powders for Sintered Components. Sweden, 1998.