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Journal of Materials Engineering and Performance

Published in:

05-09-2017

Sintering Response of Aluminum 6061-TiB₂ Composite: Effect of Prealloyed and Premixed Matrix

Authors: Mahesh Paidpilli, Gaurav Kumar Gupta, Anish Upadhyaya

Published in: Journal of Materials Engineering and Performance | Issue 9/2017

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Abstract

In the present study, Al6061-based alloy and composites were produced using powder metallurgy route. Two different kinds of base powders (prealloyed and premixed 6061Al alloy) were mixed with TiB₂ particles in compositions ranging from 0 to 15 vol.%, respectively. The processed powders were compacted at 300 MPa and sintered at 620 °C under N₂ atmosphere. The microstructural evolution of prealloyed and premixed 6061Al alloy, at different stages of sintering cycle, was studied using scanning electron microscope and EDS analysis. A comparative study was done between prealloyed- and premixed-based composites on the basis of densification, microstructure, hardness, transverse rupture strength and electrical conductivity as a function of TiB₂ content. Results indicated that premixed-based composites have better mechanical properties than prealloyed-based composites.

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Title: Sintering Response of Aluminum 6061-TiB2 Composite: Effect of Prealloyed and Premixed Matrix
Authors: Mahesh Paidpilli
Gaurav Kumar Gupta
Anish Upadhyaya
Publication date: 05-09-2017
Publisher: Springer US
Published in: Journal of Materials Engineering and Performance / Issue 9/2017
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-017-2883-4

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