| 长期热老化下一种PBX的拉伸性能和蠕变性能（英） |
| |
| 引用本文： | 周红萍,何强,李明,庞海燕,韦兴文,温茂萍.长期热老化下一种PBX的拉伸性能和蠕变性能（英）[J].含能材料,2016,24(9):826-831. |
| |
| 作者姓名： | 周红萍 何强 李明 庞海燕 韦兴文 温茂萍 |
| |
| 作者单位： | 中国工程物理研究院化工材料研究所,四川绵阳,621999 |
| |
| 基金项目： | The National Natural Science Foundation of China (U1330202,11372292); The ICM Science and Technology Funds (KJCX-201404)Biography: ZHOU Hong-ping(1976-), female, Associate professorr with research field of materials aging. e-mail: zhouhongping@caep.cn |
| |
| 摘 要： | 利用单轴拉伸试验和数小时下的拉伸蠕变试验评定了在长期热老化下作用下某PBX的力学性能.试验用的哑铃型样品分别在45,55,65℃和75℃下贮存了36个月.拉伸试验在45℃下进行,贮存了6个月和36个月的样品的拉伸蠕变试验也在45℃下进行.结果显示,与原始样品相比,45℃下,样品的拉伸强度和拉伸模量在长期热老化后没有明显变化,但是除75℃下的老化样品,其余样品的蠕变断裂时间均大大延长.通过扫描电镜观察并结合粘结剂的接触角分析,提出,在55℃以下,该PBX的力学失效是由热流变机制控制的,而高于55℃时,炸药晶体和粘结剂界面之间的热应力失配起到了关键作用.同时也表明,低于75℃下的长期贮存有助于改善PBX的蠕变性能,延长其蠕变断裂时间.
|
| 关 键 词： | 高聚物粘结炸药(PBX) 老化 蠕变 力学性能 |
| 收稿时间： | 2016/5/16 0:00:00 |
| 修稿时间： | 7/1/2016 12:00:00 AM |
The Tensile Properties and Creep Performance of a Long-term Thermally Aged Plastic Bonded Explosive |
| |
| ZHOU Hong-ping,HE Qiang,LI Ming,PANG Hai-yan,WEI Xing-wen and WEN Mao-ping.The Tensile Properties and Creep Performance of a Long-term Thermally Aged Plastic Bonded Explosive[J].Chinese Journal of Energetic Materials,2016,24(9):826-831. |
| |
| Authors: | ZHOU Hong-ping HE Qiang LI Ming PANG Hai-yan WEI Xing-wen and WEN Mao-ping |
| |
| Affiliation: | Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China,Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China,Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China,Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China,Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China and Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China |
| |
| Abstract: | |
| |
| Keywords: | polymer bonded explosive (PBX) aging creep mechanical property |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《含能材料》浏览原始摘要信息 |
|
点击此处可从《含能材料》下载全文 |
|
