Affiliation:
1. Department of Ceramics, Materials and Energy Research Centre (MERC), Meshkin-Dasht Road, Karaj 3177983634, Iran
Abstract
The effects of using nanosized carbon black in the range of 0–10 weight percentages on the physical and thermomechanical properties of –graphite refractory composites were investigated. Nanosized carbon black addition improved the relative heat resistance and oxidation resistance of composites. The bulk density of the composites is reduced with increasing carbon black (CB) content. Increase in CB content first causes an increase in the apparent porosity, but at more than 3 wt% amount of CB, a decrease of apparent porosity was observed. The cold crushing strength (CCS) increased with increasing CB content in samples fired at and in samples fired at when the content is increased to 3 wt%, but the CCS decreased with increasing CB content in samples fired at when the CB content was less than 3 wt%. The composite without CB exhibits the highest value of CCS at firing temperature of .
Subject
General Materials Science
Cited by
9 articles.
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