The 4th International Conference on Composites: Characterization, Fabrication and Application (CCFA-4) , 2014-12-16

Title : ( In Situ Fabrication of Multi Layers Al-Al2O3 Functionally Graded Composite via Hot Press Method )

Authors: mohammad ali haghi , Seyed Abdolkarim Sajjadi , Abolfazl Babakhani ,

Citation: BibTeX | EndNote

In this study fabrication of three - and five - layer Al-Al2O3 graded composite (FGCs) including 5.7-18.7 vol% and 5.7-15.4 vol% of Al2O3 phase, respectively via ball milling of Al and ZnO powder and thereafter hot pressing at 5800C was investigated. The synthesis of alumina particulates was accomplished via aluminothermic reaction in Al - matrix. The occurrence of aluminothermic reaction was investigated by XRD analysis. OM and SEM studies were performed to observe porosity, the interfaces between layers, and the alumina particulates. The results showed that five - layer Al-Al2O3 FGCs have better gradient in hardness. In addition, maximum hardness and relative density were measured as 137.4 Hv and 99.5%, respectively.

Keywords

, FGCs, Al-Al2O3, Aluminothermic
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@inproceedings{paperid:1045083,
author = {Haghi, Mohammad Ali and Sajjadi, Seyed Abdolkarim and Babakhani, Abolfazl},
title = {In Situ Fabrication of Multi Layers Al-Al2O3 Functionally Graded Composite via Hot Press Method},
booktitle = {The 4th International Conference on Composites: Characterization, Fabrication and Application (CCFA-4)},
year = {2014},
location = {Tehran, IRAN},
keywords = {FGCs; Al-Al2O3; Aluminothermic Reaction},
}

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%0 Conference Proceedings
%T In Situ Fabrication of Multi Layers Al-Al2O3 Functionally Graded Composite via Hot Press Method
%A Haghi, Mohammad Ali
%A Sajjadi, Seyed Abdolkarim
%A Babakhani, Abolfazl
%J The 4th International Conference on Composites: Characterization, Fabrication and Application (CCFA-4)
%D 2014

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