Crushing of circular steel tubes filled with nanoporous-materials-functionalized liquid

被引：11
作者：
Sun, Yueting [1 ,2 ]
Li, Yibing [2 ]
Zhao, Cang [1 ]
Wang, Meng [1 ]
Lu, Weiyi [1 ,3 ]
Qiao, Yu [1 ,4 ]
机构：
[1] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
[2] Tsinghua Univ, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China
[3] Michigan State Univ, Dept Civil & Environm Engn, E Lansing, MI 48824 USA
[4] Univ Calif San Diego, Program Mat Sci & Engn, La Jolla, CA 92093 USA
来源：
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS | 2018年 / 27卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Thin-walled tube; crush behavior; nanoporous material; energy absorption; dynamic behavior; ENERGY-ABSORPTION; INFILTRATION; TRANSPORT; PRESSURE; SILICA; SYSTEM; FLUID;
D O I：
10.1177/1056789516683539
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crush behaviors of steel tubes filled with nanoporous-materials-functionalized liquids are experimentally investigated under quasi-static and dynamic conditions. Results show that the nanoporous-materials-functionalized liquid can enhance the load-carrying and the energy absorption capacities of thin-walled tubes, as the buckling mode is affected. The effective buckling stress increases with the infiltration pressure, and the overall compressibility is highly dependent on the nanopore volume. A general rule of designing nanoporous-materials-functionalized liquid-filled tubes is proposed. The interaction between the tube wall and the nanoporous-materials-functionalized liquid is analyzed.
引用
收藏
页码：439 / 450
页数：12
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