Volume 30, Issue 2 (Dec 2011)
2011, 30(2): 69-81 |
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H.R. Salehi, S.M.R. Khalili. Thermal, mechanical and carbonization behavior of high temperature phenolic polymer. Journal of Advanced Materials in Engineering (Esteghlal) 2011; 30 (2) :69-81
URL: http://jame.iut.ac.ir/article-1-530-en.html
URL: http://jame.iut.ac.ir/article-1-530-en.html
Faculty of Mechanical Engineering , h.r.salehi@gmail.com
Abstract: (10633 Views)
In the present work, thermal and mechanical behaviors of phenolic resin are investigated. This polymer can be used as a matrix for carbon-carbon composites. To find out the best heating process, five different cycles are used for curing the polymer and flexural strength of the specimens are obtained. The cycle with maximum strength is used for the next steps. Then, the oxidation behavior of specimens is studied at different temperatures. The results show that the polymer can withstand temperature about 350°C without significant weight changes. Carbonization of phenolic resin is studied by four different cycles at 1100°C. Oxidation of carbon obtained from carbonization cycle is analyzed extensively and shows no weight change until 550°C. The microstructure of specimens is also investigated by SEM. By additining SiC micro particles to phenolic polymer, the strength change is achieved.
Keywords: phenolic resin, high temperature composite, oxidation test, polymer pyrolysis, C/C composite.
Type of Study: Research |
Subject:
General
Received: 2015/02/9 | Accepted: 2015/05/5 | Published: 2015/05/5
Received: 2015/02/9 | Accepted: 2015/05/5 | Published: 2015/05/5
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