振动载荷对定应变HTPB推进剂力学性能影响

推进技术 ›› 2016, Vol. 37 ›› Issue (2): 372-377.

振动载荷对定应变HTPB推进剂力学性能影响

李金飞,黄卫东,李高春,王玉峰

海军航空工程学院飞行器工程系，山东烟台 264001,海军航空工程学院飞行器工程系，山东烟台 264001,海军航空工程学院飞行器工程系，山东烟台 264001,海军航空工程学院飞行器工程系，山东烟台 264001

发布日期:2021-08-15
作者简介:李金飞，男，博士生，研究领域为发动机可靠性与推进剂性能。
基金资助:
武器装备预先研究项目(51328050103)。

Effects of Vibration Load on Mechanical Properties of HTPB Propellant with Constant Strain

Department of Aircraft Engineering，Naval Aeronautical Engineering Institute，Yantai 264001，China,Department of Aircraft Engineering，Naval Aeronautical Engineering Institute，Yantai 264001，China,Department of Aircraft Engineering，Naval Aeronautical Engineering Institute，Yantai 264001，China and Department of Aircraft Engineering，Naval Aeronautical Engineering Institute，Yantai 264001，China

Published:2021-08-15

摘要/Abstract

摘要： 为了研究振动载荷对定应变HTPB推进剂力学性能的影响，通过60℃和70℃温度下HTPB推进剂10%定应变振动试验，采用单向拉伸法和扫描电镜观测法，对定应变HTPB推进剂在振动载荷作用下的宏观力学性能变化规律和细观损伤模式进行了研究。结果表明:定应变状态下振动载荷的作用使HTPB推进剂的抗拉强度减小(最大值超过5%)，最大延伸率增大(最大值超过15%)；老化初期振动载荷对高氯酸铵(AP)颗粒脱湿发展影响较小，当定应变状态下推进剂中的AP颗粒脱湿到一定程度时，振动载荷的作用会促进AP颗粒脱湿，降低固体颗粒的模量增强作用。

关键词: HTPB推进剂；振动载荷；力学性能；老化；脱湿

Abstract: In order to study the effects of vibration load on HTPB propellant with 10% constant strain，two sets of vibration experiments of HTPB propellant with constant strain at 60℃ and 70℃ were conducted. The mechanical properties were measured by uniaxial tension test and the images of the sliced surface and the fracture appearance were observed by the scanning electron microscopy (SEM)，the macromechanical properties changing law and microstuctural failure mode were obtained. The results show that the maximum tensile strength of HTPB propellant decreased under vibration load with constant strain (the maximum value decreased more than 5%)，while the maximum elongation increased (the maximum value increased more than 15%). Although the vibration load has a little influence on the dewetting of AP particle at early aging time，it can promote the dewetting behavior and reduce the modulus of HTPB propellant when the HTPB propellant has an obvious dewetting phenomenon under constant strain.

Key words: HTPB propellant；Vibration load；Mechanical properties；Aging; Dewetting

李金飞,黄卫东,李高春,王玉峰. 振动载荷对定应变HTPB推进剂力学性能影响[J]. 推进技术, 2016, 37(2): 372-377.

LI Jin-fei,HUANG Wei-dong,LI Gao-chun,WANG Yu-feng. Effects of Vibration Load on Mechanical Properties of HTPB Propellant with Constant Strain[J]. Journal of Propulsion Technology, 2016, 37(2): 372-377.

参考文献

[1] 邢耀国, 曲凯, 许俊松, 等. 舰船摇摆条件下固体火箭发动机舰载寿命预估[J]. 推进技术, 2011, 32(1): 32-35. (XING Yao-guo, QU Kai, XU Jun-song. Life Prediction of Shipborne Solid Rocket Motor under the Ship Swing Motion[J]. Journal of Propulsion Technology, 2011, 32(1); 32-35.)
[2] 徐新琦, 袁书生. 固体发动机药柱公路运输随机振动响应分析[J]. 固体火箭技术, 2001, 24(4): 33-35.
[3] 王永杰, 蔡体敏. NEPE推进剂发动机振动安全性试验研究[J]. 固体火箭技术, 2007, 30(3): 272-274.
[4] 鲁国林, 罗怀德. 定应变下丁羟推进剂贮存寿命预估[J]. 推进技术, 2000, 21(5): 79-81. (LU Guo-lin, LUO Huai-de. Storage Life Prediction for HTPB Propellant under Constant Strain[J]. Journal of Propulsion Technology, 2000, 21(5): 79-81.)
[5] 张景春, 陈少杰, 景全斌. 丁羟胶片的老化研究[J]. 固体火箭技术, 1994(1): 63-67.
[6] 武文明, 张炜, 陈敏伯. 理论研究丁羟粘合剂化学键解离及其对力学性能的影响[J]. 化学学报, 2012, 70(10): 1145-1152.
[7] 常武军, 鞠玉涛, 胡少青. HTPB 固化胶片的超弹性本构模型[J]. 推进技术, 2012, 33(5): 795-798. ( CHANG Wu-jun, JU Yu-tao, HU Shao-qing. Research on Hyperelastic Constitutive Model for HTPB Crosslinked Specimen[J]. Journal of Propulsion Technology, 2012, 33(5): 795-798.)
[8] 常新龙, 简斌, 刘成武, 等. HTPB推进剂定应变老化性能实验[J]. 推进技术, 2010, 31(5): 576-580. ( CHANG Xin-long, JIAN Bin, LIU Cheng-wu. Experiments on HTPB Propellant Aging Properties under Constant Strain[J]. Journal of Propulsion Technology, 2010, 31(5): 576-580.)
[9] 张兴高, 张炜, 芦伟, 等. 定应变贮存条件下HTPB推进剂填料/黏合剂界面性能[J]. 推进技术, 2009, 30(4): 484-489. (ZHANG Xing-gao, ZHANG Wei, LU Wei, et al. Interfacial Property of the Filler/Binder Matrix for HTPB Propellant under Constant Strain[J]. Journal of Propulsion Technology, 2009, 30(4): 484-489.)
[10] 职世君, 孙冰, 张建伟. 基于表面粘结损伤的复合固体推进剂细观损伤数值模拟[J]. 推进技术, 2013, 34(2):273-278. (ZHI Shi-jun, SUN Bing, ZHANG Jian-wei. Numerical Simulation of Solid Propellant Mesoscopic Damage Using Surface-Based Cohesive Approach[J]. Journal of Propulsion Technology, 2013, 34(2): 273-278.)
[11] 李高春, 邢耀国, 戢治洪. 复合固体推进剂细观界面脱粘有限元分析[J]. 复合材料学报, 2011, 28(3): 229-235.
[12] Matous K, Inglis H M, Gu X, et al. Multiscale Modeling of Solid Propellants: From Particle Packing to Failure[J]. Composites Science and Technology, 2007, 67: 1694-1708.
[13] Matous K, Inglis H M, Xiaofang Gu. Multiscale Damage Modeling of Solid Propellants: Theory and Computational Framework[R]. AIAA 2005-4347.
[14] 李金飞, 张利平. 基于实测舰载振动环境的固体发动机药柱应力应变分析[C]. 长沙:固体导弹技术年会, 2012.
[15] Onsoy N, Yigitsoy B, Tinaztepe H T. Accelerated Aging Studies of the Aluminized HTPB/AP Based Composite Propellant[C]. Antalya: The RTO Applied Vehicle Technology Panel Symposium, 2010.
[16] 邱欣, 李高春, 邢耀国. HTPB推进剂与衬层界面破坏过程试验研究[J]. 兵工学报, 2013, 34(1): 48-51.
[17] 阳建红, 李学东, 赵光辉, 等. HTPB复合推进剂细观损伤机理的声发射实验研究[J]. 推进技术, 2000, 21(3): 67-70. (YANG Jian-hong, Li Xue-dong, ZHAO Guang-hui. Acoustic Emission Experimental Study on Meso-Damage Mechanism of HTPB Propellant [J]. Journal of Propulsion Technology, 2000, 21(3): 67-70.)
[18] 李旭昌, 焦剑, 姚军燕, 等. 丁羟粘合剂体系化学结构与力学性能的相关性[J]. 固体火箭技术, 2010, 33(2): 307-310. 　　　　　　　　　　　　　*　收稿日期:2014-09-23；修订日期:2014-12-10。基金项目:武器装备预先研究项目(51328050103)。作者简介:李金飞,男,博士生,研究领域为发动机可靠性与推进剂性能。E-mail: lijinfei_03@163.com(编辑:朱立影)