[1]张哲①,辛苗②,张正金①,等.固体推进剂储存老化力学性能双因素方差分析[J].爆破器材,2022,51(01):29-34.[doi:10.3969/j.issn.1001-8352.2022.01.006]
　ZHANG Zhe,XIN Miao,ZHANG Zhengjin,et al.Double-Factor Variance Analysis on Mechanical Behaviors of a Solid Propellant during Aging[J].EXPLOSIVE MATERIALS,2022,51(01):29-34.[doi:10.3969/j.issn.1001-8352.2022.01.006]
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固体推进剂储存老化力学性能双因素方差分析()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
51
期数:
2022年01
页码:
29-34
栏目:
爆炸材料
出版日期:
2022-01-05

文章信息/Info

Title:
Double-Factor Variance Analysis on Mechanical Behaviors of a Solid Propellant during Aging
文章编号:
5641
作者:
张哲①; 辛苗②; 张正金①; 詹平①; 马思瑜①; 吴亚伟①
①上海航天动力技术研究所(浙江湖州,313000)
②空军装备部驻上海地区第一军事代表室(上海,201100)
Author(s):
ZHANG Zhe①;  XIN Miao②;  ZHANG Zhengjin①;  ZHAN Ping①;  MA Siyu①;  WU Yawei①
① Shanghai Space Propulsion Technology Research Institute (Zhejiang Huzhou, 313000)
② The First Military Representative Office of Equipment Department of China Air Force in Shanghai (Shanghai, 201100)
关键词:
加速老化试验; 力学性能; 单轴拉伸; 双因素方差分析
Keywords:
accelerated aging experiments;  mechanical properties;  uniaxial tensile;  double-factor variance analysis
分类号:
V512；TQ560
DOI:
10.3969/j.issn.1001-8352.2022.01.006
文献标志码:
A
摘要:
采用单轴拉伸实验方法研究了固体推进剂力学性能的变化，并对结果进行双因素方差分析。测试结果表明：随老化时间延长，推进剂的抗拉强度和伸长率呈下降趋势;温度越高，下降趋势越明显;70 ℃下,抗拉强度和伸长率下降幅度明显大于50、60 ℃时。双因素方差分析显示,老化时间、老化温度对抗拉强度、伸长率、断裂能均存在显著影响。与老化温度相比，老化时间对固体推进剂力学性能产生的影响更显著。
Abstract:
Changes of mechanical properties of a solid propellant was studied by uniaxial tensile test, and the results were analyzed double-factor variance method. Results show that the tensile strength and maximum elongation of the propellant decrease with prolonging of the aging time. The higher the temperature, the more significant the downward trend. Decline of tensile strength and maximum elongation at 70 ℃ is significantly greater than those at 50 ℃ or 60 ℃. Results of double factor variance analysis show that aging time and aging temperature both have a significant impact on tensile strength, maximum elongation and fracture energy. Compared with aging temperature, aging time has a more significant influence on mechanical behaviors.

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备注/Memo

备注/Memo:
收稿日期：2021-08-09
基金项目：上海航天先进技术联合研究基金（USCAST2019-32）
第一作者：张哲(1993-), 男, 硕士, 工程师, 研究方向为复合固体推进剂。E-mail: zzfarfromok@163.com
更新日期/Last Update: 2022-01-06