|
|||||
|
|
| EPDM绝热材料炭化层的三维孔隙结构特征 | |
| 引用本文： | 孙翔宇,张炜,杨宏林,陈思,王德,高金凤.EPDM绝热材料炭化层的三维孔隙结构特征[J].固体火箭技术,2011,34(5):644-647. |
| 作者姓名： | 孙翔宇 张炜 杨宏林 陈思 王德 高金凤 |
| 作者单位： | 1. 国防科技大学航天与材料工程学院,长沙410073;中国航天科工集团六院,呼和浩特010010 2. 国防科技大学航天与材料工程学院,长沙,410073 3. 中国航天科工集团六院,呼和浩特,010010 |
| 摘 要： | 为了获得绝热材料炭化层的微观结构信息,建立了炭化层三维孔隙结构的微米CT无损测试方法.采用微米CT对EPDM绝热材料炭化层进行了无损扫描,运用三维图像处理软件对炭化层的系列无损扫描图片进行了三维重建.针对发动机热试车后EPDM绝热材料炭化层试样,结合二维图像分析软件,研究了烧蚀方向上炭化层的孔隙结构特征.结果表明,过载... |
| 关 键 词： | EPDM绝热材料 炭化层 三维孔隙结构 微米CT 孔径 孔隙率 |
Three-dimensional porosity characteristics of charring layer of EPDM insulation material |
|
| SUN Xiang-yu,ZHANG wei,YANG Hong-lin,CHEN Si,WANG De,GAO Jin-feng.Three-dimensional porosity characteristics of charring layer of EPDM insulation material[J].Journal of Solid Rocket Technology,2011,34(5):644-647. | |
| Authors: | SUN Xiang-yu ZHANG wei YANG Hong-lin CHEN Si WANG De GAO Jin-feng |
| Institution: | SUN Xiang-yu1,2,ZHANG wei1,YANG Hong-lin2,CHEN Si2,WANG De2,GAO Jin-feng2(1.Inst.of Aerospace and Materials Engineering,National Univ.of Defense Technology,Changsha 410073,China,2.The Sixth Academy of CASIC,Huhhot 010010,China) |
| Abstract: | A novel nondestructive measurement method was established to get 3D porous structure of charring layer by means of micro CT.The charring layer sample of EPDM insulation material for over-loading motor firing test was inspected by micro CT.The 3D porous structure image of the charring layer was rebuilt based on the micro CT photos by means of 3D image processing software.Furthermore,the porous structure characteristics of the charring layer along the ablation direction was obtained combining 2D image process... |
| Keywords: | EPDM insulation material charring layer three-dimensional porous structure micro CT pore diameter extent of porosity |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |