| 压力载荷下模压高硅氧酚醛喷管裂纹稳定性分析 |
| |
| 引用本文： | 沙宝林,侯晓.压力载荷下模压高硅氧酚醛喷管裂纹稳定性分析[J].固体火箭技术,2009,32(6). |
| |
| 作者姓名： | 沙宝林 侯晓 |
| |
| 作者单位： | 1. 西北工业大学,航天学院,西安,710072
2. 中国航天科技集团公司四院,西安,710025 |
| |
| 摘 要： | 为了进行模压高硅氧喷管裂纹压力载荷下的稳定性分析,对模压髙硅氧材料开展了I型断裂韧性测试,获得了J积分试验数据,特别针对试件的设计、制造、实验参数、数据处理等进行了详细讨论.最后,利用ABAQUS软件的裂纹分析模块,对某发动机的模压高硅氧材料的喷管裂纹进行了稳定性分析,给出了基于断裂参数的模压髙硅氧喷管的安全系数,通过热试车验证了该方法在工程上具有应用性.
|
| 关 键 词： | 断裂 J积分 断裂参数 稳定性 |
Stability analysis of cracks in nozzle made of silica phenolic resin molded composite subjected to pressure loading |
| |
| SHA Bao-lin,HOU Xiao.Stability analysis of cracks in nozzle made of silica phenolic resin molded composite subjected to pressure loading[J].Journal of Solid Rocket Technology,2009,32(6). |
| |
| Authors: | SHA Bao-lin HOU Xiao |
| |
| Institution: | SHA Bao-lin1,HOU Xiao2(1.College of Astronautics,Northwestern Polytechnical University,Xi'an 710072,China,2.The Forth Academy of CASC,Xi'an 710025,China) |
| |
| Abstract: | In order to analyze the stability of cracks in the nozzle made of silica phenolic resin molded composite subjected to pressure loading,pattern I fracture toughness test was carried out to get the J-integral data of the material.The sample design and fabrication,testing parameter,data processing etc.were discussed in detail.Finally,the stability of nozzle cracks in a rocket motor was analyzed by using ABAQUS soft to get the safety coefficient based on breaking parameters.The static firing test results confir... |
| |
| Keywords: | fracture J-integral breaking parameter stability |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
