A Study on Manufacture of SiCp/Fe Composites by Specimen Current Heating Hot Press Sintering

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A specimen current heating sintering process was employed to manufacture SiC particulate reinforced iron matrix composite. The results show that mechanical properties of the composite can be improved significantly with increasing pressure level, voltage, sintering time. It is found that short sintering time, fast heating and uniformly heating, surface activation of particles can be accomplished in specimen current heating hot press sintering to avoid oxidation degradation of Fe powder, and to produce fine microstructure, which contribute the main reasons for achieving higher density and higher properties. The best properties achieved so far for the composite are: density is 99.90%, Brinell hardness is 416HB and tensile strength is 838MPa.

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Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

705-708

Citation:

G. Wang et al., "A Study on Manufacture of SiCp/Fe Composites by Specimen Current Heating Hot Press Sintering", Materials Science Forum, Vols. 561-565, pp. 705-708, 2007

Online since:

October 2007

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$38.00

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