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DC Field | Value | Language |
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dc.contributor.author | Naik, P. | - |
dc.contributor.author | Surendranathan, A.O. | - |
dc.date.accessioned | 2020-03-31T08:38:49Z | - |
dc.date.available | 2020-03-31T08:38:49Z | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | International Journal of Earth Sciences and Engineering, 2011, Vol.4, 5, pp.916-921 | en_US |
dc.identifier.uri | https://idr.nitk.ac.in/jspui/handle/123456789/12221 | - |
dc.description.abstract | This paper presents the synthesizing of carbon-carbon (CC) composites by preformed yarn (PY) method, by varying the percentage of carbon fiber volume. The PY used is carbon fiber bundle surrounded by coke and pitch which is enclosed in nylon-6. Three types of samples with fiber weight fractions of 30%, 40% and 50% respectively, are fabricated and tested. In each case, the PY is chopped and filled into a die of required shape and hot pressed at 600 C to get the carbonized composite. To obtain the graphitic structure, the specimen is heat treated at 1800 C followed by soaking for two hours. Further, one cycle pitch impregnation is done by hot isostatic pressing, to eliminate the voids. The characteristics such as hardness, compressive strength and creep, are studied. It is observed that, as the carbon fiber percentage increases the properties also improved, provided sintering is done at fairly higher temperatures. The superiority of the new class of CC composites made by the proposed PY technique over those obtained by the conventional methods is also demonstrated. 2011 CAFET-INNOVA TECHNICAL SOCIETY. | en_US |
dc.title | New manufacturing process of carbon-carbon composites and their mechanical properties | en_US |
dc.type | Article | en_US |
Appears in Collections: | 1. Journal Articles |
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