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固体火箭发动机包覆层力学性能与交联密度的相关性建模研究
李科, 郑坚, 彭威, 张晓, 杜永强
陆军工程大学石家庄校区, 石家庄 050003
摘要:
介绍了包覆层力学性能的研究进展,综述了交联密度的测试方法和应用,分析了现有的本构模型并提出改进意见。研究表明:包覆层在复杂环境下的力学性能研究是下一步研究的重点;从微观机理分析包覆层的宏观力学性能是其力学研究的趋势;核磁共振仪等现代仪器的运用可以克服传统方法的不足,具有较大的发展空间。
关键词:  包覆层  力学性能  交联密度  本构模型
DOI:10.12044/j.issn.1007-2330.2018.05.001
分类号:V512+
基金项目:
Modeling of the Correlation Between Mechanical Properties and Crosslink Density of Solid Rocket Motor Coating
LI Ke, ZHENG Jian, PENG Wei, ZHANG Xiao, DU Yongqiang
Shijiazhuang Campus, Army Engineering University, Shijiazhuang 050003
Abstract:
The research progress of the mechanical properties of the coating is introduced, and the test methods and the application of crosslink density are summarized. The existing constitutive model is analyzed and suggestions for improvement are put forward. The mechanical properties of the coating in complex environment is the key point for the next research. Investigating macro mechanical properties of the coating through micro-mechanism analysis is the trend for mechanice analysis. Application of modern instruments like NMR can overcome the shortages of the conventional methods, which prospects a positive future.
Key words:  Coating  Mechanical properties  Crosslink density  Constitutive model