Indexed by:Journal Article
Date of Publication:2005-06-10
Journal:大连理工大学学报
Included Journals:CSCD、ISTIC、PKU、EI、Scopus
Volume:45
Issue:3
Page Number:316-319
ISSN:1000-8608
Key Words:爆炸烧结;多孔材料;冲击状态方程;孔隙塌缩
Abstract:针对多孔材料在高速冲击下的孔隙闭合特征推导出计入熔化效应的反映孔隙塌缩的p-α(压力-孔隙度)关系式;从密实体的冲击绝热方程出发,利用密实体的冲击雨贡尼奥(Hugoniot)数据沿等压线推广得到了多孔体的冲击状态方程. 利用计入熔化效应的p-α关系式和等压推广的多孔材料冲击状态方程计算了多孔铁粉的p-v(压力-比容)和D-u(冲击波速-质点运动速度)关系,计算结果同冲击压缩实验数据符合良好,除个别实验点外,相对误差均小于4%,证实该方程有较好的计算精度.
Researcher
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Academic Titles:Vice President, China Society of Explosives and Blasting
Other Post:中国爆破行业协会副会长
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:School of Mechanics and Aerospace Enginnering
Discipline:Engineering Mechanics. Applied and Experimental Mechanics. Biomechanics and Nanomechanics. Aerospace Mechanics and Engineering. Mechanical Engineering. Aerospace Science and Technology
Business Address:Room203，A126 Building
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