Comparative Study on Microstructural Characteristics and Compression Deformation Behaviour of Alumina and Cenosphere Reinforced Aluminum Syntactic Foam Made Through Stir Casting Technique

被引：26

作者：

Mondal, Dehi Pada ^{[1
]}

Goel, Manmohan Dass ^{[1
,2
]}

Upadhyay, Vartika ^{[1
]}

Das, Satyabrat ^{[1
]}

Singh, Mulayam ^{[1
]}

Barnwal, Ajay Kumar ^{[1
]}

机构：

[1] Council Sci & Ind Res CSIR, CSIR Adv Mat & Proc Res Inst AMPRI, Bhopal 462026, India

[2] Visvesvaraya Natl Inst Technol VNIT, Dept Appl Mech, South Ambazari Rd, Nagpur 440010, Maharashtra, India

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2018年 / 71卷 / 03期

关键词：

Syntactic foam; Compressive deformation; Cenospheres; Microballoons; Plastic collapse; POWDER-METALLURGY;

D O I：

10.1007/s12666-017-1211-x

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

In order to examine the effect of microballoons type on microstructure and compressive deformation behaviour of aluminum syntactic foam, alumina reinforced and cenosphere reinforced aluminum syntactic foams have been made through stir-casting technique. Alumina microballoons reinforced aluminum syntactic foam (AMRASF) has been developed using stir casting technique. Volume fraction of alumina microballoons in AMRASF varies in the range of 0.39-0.74. The compressive deformation behavior of these AMRASF is compared with that of cenosphere reinforced aluminum syntactic foam (CPRASF). The AMRASF does not exhibit clear plastic collapse stage as observed in case of CPRSAF. It is further noted that AMRASF shows the existence of work hardening phenomena after yielding but CPRASF does not show any significant work hardening after yielding even at higher relative densities of foam. This is explained on the basis of characteristics of alumina microballoons and cenospheres and interface characteristics between matrix and respective microballoons used. Effect of individual microballoons' characteristics on the foam properties has also been explained.

引用

页码：567 / 577

页数：11

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