[1]张建彬,鞠玉涛,孟红磊,等.改性双基推进剂药柱表面静动态应变测量方法[J].南京理工大学学报(自然科学版),2011,(05):595-599.
 ZHANG Jian-bin,JU Yu-tao,MENG Hong-lei,et al.Measurement on Static and Dynamic Strain of Modified Double-base Propellant Grain Surface[J].Journal of Nanjing University of Science and Technology,2011,(05):595-599.
点击复制

改性双基推进剂药柱表面静动态应变测量方法
分享到:

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2011年05期
页码:
595-599
栏目:
出版日期:
2011-10-31

文章信息/Info

Title:
Measurement on Static and Dynamic Strain of Modified Double-base Propellant Grain Surface
作者:
张建彬鞠玉涛孟红磊周长省
南京理工大学机械工程学院,江苏南京210094
Author(s):
ZHANG Jian-bin JU Yu-taoMENG Hong-leiZHOU Chang-sheng
School of Mechanical Engineering,NUST,Nanjing 210094,China
关键词:
改性双基推进剂药柱 电测法 应变片 表面应变 结构完整性
Keywords:
modified double-base propellant grains electrical measurement method strain gauges surface strain structural integrity
分类号:
V435
摘要:
针对推进剂药柱材料线胀系数大、应变大,传统的电测技术测量其表面应变时“死片” 率高的问题,该文采用近似将应变片植入推进剂装药的粘贴技术,建立了一种改进的测量改性 双基推进剂药柱表面应变的电测法。应用该法测量了单孔推进剂药柱在静载荷和冲击载荷作 用下的应变响应过程,分析了推进剂材料的延滞回复现象。结果表明: 该方法可以准确地测量 药柱的的静态、准静态及动态应变等粘弹性力学特征,适于固体火箭发动机推进剂药柱的结构 完整性研究。
Abstract:
In view of the large linear expansion coefficient, large strain of the propellant grain materials and high“death piece”rate when measuring the surface strain,an improved electrical measurement method for modified double-base propellant grain surface strain is given here. The paste technology is adopted to implant the stain gauges into the propellant grain. Using the improved electrical measurement method, the response process of the single-hole propellant grain strain is tested under the static and impact loads. The delay and reply phenomenons of the propellant materials are analyzed. All the results show that the method can accurately measure the visco-elastical mechanics characteristics of propellant grains including the static strain, the quasi-static strain and the dynamic strain, and be suitable for studying the structural integrity of the solid rocket motor propellant grains.

参考文献/References:

[1] 张建伟,孙冰. 固体火箭发动机药柱大变形数值分 析[J]. 固体火箭技术, 2004, 27( 4) : 284-288.
[2] 李磊,唐国金,雷勇军,等. 固体火箭发动药柱伞盘结构 应力应变分析[J]. 推进技术, 2008, 29( 4) : 477-480.
[3] Jung G D,Youn S K,Kim B K. A three-dimensional nonlinear viscoelastic constitutive model of solid propellant [J]. International Journal of Solids and Structures, 2000, 37( 34) : 4715-4732.
[4] Tsai J, Sun C T. Constitutive model for high strain rate response of polymeric composites[J]. Composites Science and Technology, 2002, 62( 10-11) : 1289-1297.
[5] Kajberg J,Sundin K G,Melin L G,et al. High strainrate tensile testing and viscoplastic parameter identi-fication using microscopic high-speed photography[J]. International Journal of Plasticity, 2004, 20( 4-5) : 561 -575.
[6] 陈建,康学军. 测量高塑性变形用20% 大应变应变 计[J]. 实验力学, 1994,9 ( 2) : 175-180.
[7] 郝晓剑,靳鸿. 动态测试技术及应用[M]. 北京: 电 子工业出版社, 2008.
[8] 张明苏,苏小光,王妮. 力学测试技术基础[M]. 北 京: 国防工业出版社, 2008.

备注/Memo

备注/Memo:
基金项目: 国防科技创新团队资助项目 作者简介: 张建彬( 1982-) ,男,博士生,主要研究方向: 固体推进剂结构完整性分析,E-mail: zjb66688@ 163. com; 通讯作者: 周长省( 1957 -) ,男,教授,博士生导师,主要研究方向: 新型推进动力装置技术,E-mail: chenxiongsc@163. com。
更新日期/Last Update: 2012-10-24