The Synthesis, Compressive Properties, and Applications of Metal Matrix Syntactic Foams

被引：103
作者：
Rohatgi, Pradeep K. [1 ]
Gupta, Nikhil [3 ]
Schultz, Benjamin F. [2 ]
Luong, Dung D. [3 ]
机构：
[1] Univ Wisconsin, UWM Ctr Composites & Adv Mat Manufacture, Milwaukee, WI 53201 USA
[2] Univ Wisconsin, Ctr Composite Mat, Dept Mat Engn, Milwaukee, WI 53201 USA
[3] NYU, Polytech Inst, Dept Mech & Aerosp Engn, Composite Mat & Mech Lab, Brooklyn, NY 11201 USA
来源：
JOM | 2011年 / 63卷 / 02期
基金：
美国国家科学基金会;
关键词：
FLY-ASH; MECHANICAL RESPONSE; COMPOSITES; BEHAVIOR; DAMAGE;
D O I：
10.1007/s11837-011-0026-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Metal matrix syntactic foams are composites that incorporate hollow particles in a matrix, where enclosing porosity inside the thin shell of the particle leads to low density without large decreases in mechanical properties. Studies on Al, Mg, Pb, and Zn alloy matrix syntactic foams are available in the published literature. A large stress plateau region appears in the compressive stress-strain graphs of metal matrix syntactic foams. The height and length of stress plateau can be tailored by means of particle wall thickness, volume fraction, and size, and the total compressive energy absorption can be controlled. Metal matrix syntactic foams seem promising in various energy absorbing applications including automobile parts since their energy absorption capability per unit weight is better than other foams and lightweight materials.
引用
收藏
页码：36 / 42
页数：7
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