Investigation of Bimodal Aluminium Matrix Syntactic Foams Filled with Ceramic Hollow Spheres-Reference-Cited by-同舟云学术

Investigation of Bimodal Aluminium Matrix Syntactic Foams Filled with Ceramic Hollow Spheres

Published:2020-10-01 Issue:1 Volume:13 Page:110-113
ISSN:2601-5773
Container-title:Műszaki Tudományos Közlemények
language:en
Short-container-title:

Author:

Leveles Borbála¹²,Kemény Alexandra¹²,Orbulov Imre Norbert¹²

Affiliation:

1. Budapest University of Technology and Economics , Faculty of Mechanical Engineering, Department of Materials Science and Engineering , Budapest , Hungary

2. MTA-BME Research Group for Composite Metal Foams , Budapest , Magyarország

Abstract

Abstract In this study bimodal A413 matrix syntactic foams filled with ceramic hollow spheres (CHSs) were produced and examined by computer tomography (CT) and quasi-static mechanical testing to determine the mixing properties of the hollow spheres and the strength of the metal foam. Two hollow spheres of different nominal diameters (d1 = 2.4 mm and d2 = 7.0 mm) were used in equal volume ratio. The produced metal foams have a density of 1.61±0.03 g/cm3, with smaller inclusions and some defective hollow spheres in the structure. The foams have an average compressive strength of 120 MPa and a specific mechanical energy absorbing capacity of 43.5 J/cm3. As a result of the upsetting tests, the matrix material is separated from the CHSs, breaking the connection between them.

Publisher

Muszaki Tudomanyos Kozlemenyek

Subject

General Arts and Humanities

Link

https://www.sciendo.com/pdf/10.33894/mtk-2020.13.19

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