国产碳纤维编织碳/碳喉衬烧蚀分析  

Analysis on ablation properties of domestic carbon fibers braided carbon/carbon composite throat

作　　者：吴书锋[1] 张玲[1] 周绍建[1] 程文[1] 刘建军 

机构地区：[1]西安航天复合材料研究所,西安710025 [2]高性能碳纤维制造及应用国家地方联合工程研究中心,西安710089

出　　处：《高科技纤维与应用》2013年第4期21-24,33,共5页Hi-Tech Fiber and Application

基　　金：国家973项目(2011CB605801)

摘　　要：采用国产T300级碳纤维进行轴棒法编织结构碳/碳(C/C)复合材料制备,并对C/C复合材料喉衬进行固体火箭发动机(SRM)地面点火试验,结合扫描电子显微镜(SEM),分别对烧蚀后喉衬入口部位、喉部和出口部位的烧蚀形貌进行分析。结果表明,在7.432 MPa压力下,国产T300级碳纤维轴棒法编织结构C/C喉衬的烧蚀性能较为稳定,烧蚀均匀,烧蚀后型面光滑,烧蚀率较低,平均线烧蚀率为0.159 6 mm/s,国产T300级碳纤维的性能满足发动机的工作要求。Axial carbon rod woven 4D carbon/carbon（C/C） composite were fabricated by domestic T300 PANbased Carbon fibers,and a firing test was carried out for testing the ablation properties of C/C composite throat.The ablation morphologies of its different parts（entrance part,throat and exit part） were investigated by scanning electron microscopy（SEM）.The results showed that under the pressure of 7.432 MPa,the composite have stable ablation rates of about 0.1596 mm/s and homogeneous properties,the contours of composite after test were smooth.The property of domestic T300 PAN-based Carbon fibers can be applied for throat of SRM.

关 键 词：国产碳纤维 碳 碳复合材料 喉衬 烧蚀性能 研究 

分 类 号：TB332[一般工业技术—材料科学与工程]