... may designed strong and so on prominet characteristic, Presently applies in the aviation, astronautics, the electric circuit level and solar ... crucible, heater, crucible request, conduction current tube, heat preservation tube, boat pan, fastener, electrode. Model Apparent Densityg/cm3Bending Strength Mpa(Kgf ... Kaifu District, Changsha City,Hunan,China carbon Composite Materials in high temperature