炭／炭U型加热器的制备与性能  

PREPARATION AND PROPERTIES OF CARBON - CARBON COMPOSITE HEATER WITH U SHAPE

作　　者：苏君明[1] 李永军[1] 肖志超[1] 侯卫权[1] 彭志刚[1] 孟凡才[1] 李树芳[1] 

机构地区：[1]西安航天复合材料研究所超码科技有限公司,西安710025

出　　处：《炭素》2011年第1期21-24,38,共5页Carbon

摘　　要：研究了炭布与薄网胎交替叠层针刺制成准三向结构U型加热体预制体，经糠酮树脂浸渍／炭化致密工艺，并通过真空高温处理制备了炭／炭复合材料U型加热器。结果表明，其弯曲强度为122MPa，压缩强度182MPa，层间剪切强度为14．9MPa。其电阻值可达到0．10～0．21Ω。在多晶硅氢化炉中应用寿命达到6个月～9个月，凸显出高电阻值和长使用寿命的两大特色。Composite heater preform with U shape was prepared by using furfural resin impregnation and carbonization compact technics. Carbon/carbon composite materials heater with U shape was prepared by using vacuum high temperature treatment. The results show that the flexural strength of this heater is 122 MPa, its compressive strength of 182 MPa, interlaminar shear strength of 14.9 MPa, resistance of 0.10-- 0. 21Ω. The life time in hydrogenation furnace reach from 6 months to 9 months. Its high resistance and long term were presented.

关 键 词：针刺炭布预制体 树脂炭基体 炭/炭加热器 力学性能 电阻值 

分 类 号：TB332[一般工业技术—材料科学与工程]