Effect of graphitization temperature and product location on the properties of products
The products impregnated 2 times and baked 3 times from Hunan Changyu Science and Technology Development Co.,Ltd.,were cut into several same size samples,and the samples were selected by location,and then the effects of different graphitization temper-atures and product locations on the comprehensive properties of the products were studied.Results show that,with the increase of graphiti-zation temperature,the bulk density,shrinkage rate and electrical properties of the product are improved,and the mechanical properties are decreased.The properites of the product at the edge are superior to those of the central position under different graphitization tempera-ture treatment due to the higher content of impregnated pitch,but the graphitization degree at different positions is almost the same.
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