Effect of h-BN Content on the Sintering of SS316L/h-BN Composites

S. Mahathanabodee; Tippaban Palathai; S. Raadnui; Ruangdaj Tongsri; Narongrit Sombatsompop

doi:10.4028/www.scientific.net/AMR.410.216

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 410Effect of h-BN Content on the Sintering of...

Effect of h-BN Content on the Sintering of SS316L/h-BN Composites

Abstract:

In this work, the three compositions of hexagonal boron nitride (10, 15 and 20 vol. %)-embedded 316L stainless steel (SS316L/h-BN) composites were prepared by a conventional powder metallurgy technique and then sintered at varying temperatures of 1100 to 1250°C for 60 min in H₂ atmosphere. The h-BN content and sintering temperature were found to affect the microstructure and hardness of the composites. The hardness decreased with increasing h-BN content and was improved by increasing the sintering temperature. Microstructure results revealed that the boride phase was formed at the grain boundary at the sintering temperature higher than 1150°C and the boride phase formation was observed to transform the h-BN in the composites.

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Periodical:

Advanced Materials Research (Volume 410)

Pages:

216-219

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.410.216

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Online since:

November 2011

Authors:

S. Mahathanabodee, Tippaban Palathai, S. Raadnui, Ruangdaj Tongsri, Narongrit Sombatsompop

Keywords:

Composite, Hexagonal Boron Nitride (HBN), Sliding Wear, Stainless Steel (SS)

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