Quasi static and dynamic compression of zinc syntactic foams

被引：31
|
作者：
Broxtermann, S. [1 ]
Vesenjak, M. [2 ]
Krstulovic-Opara, L. [3 ]
Fiedler, T. [1 ]
机构：
[1] Univ Newcastle Australia, Sch Engn, Discipline Mech Engn, Ctr Mass & Thermal Transport Engn Mat, Univ Dr, Callaghan, NSW 2308, Australia
[2] Univ Maribor, Fac Mech Engn, Smetanova 17, SLO-2000 Maribor, Slovenia
[3] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, R Boskovica 32, Split 21000, Croatia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 768卷
关键词：
Metallic syntactic foam; Mechanical properties; Strain rate; Zinc alloy; Expanded perlite; Expanded glass; ZA27-SIC FOAM; PARTICLE-SIZE; BEHAVIOR; ALLOY; PERFORMANCE; METALLURGY;
D O I：
10.1016/j.jallcom.2018.07.215
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, two novel zinc syntactic foams are tested in dynamic and quasi-static compression. Expanded perlite (EP) and expanded glass (EG) particles are combined with the ZA27 zinc alloy using counter-gravity infiltration casting. The average densities of the resulting EG-ZA27 and EP-ZA27 syntactic foams are 1.84 g/cm(3) and 2.05 g/cm(3), respectively. The as-cast foam samples are compressed under quasi-static (0.1 mm/s) and dynamic (284 mm/s) loading conditions. Optical and infrared imaging are used for a detailed investigation of their deformation behaviour. The increasing brittleness of the ZA27 alloy at high strain rates is found to alter the syntactic foam properties at dynamic loading. (c) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：962 / 969
页数：8
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