Influence of processing parameters during disintegrated melt deposition processing on near net shape synthesis of aluminium based metal matrix composites
- 1 October 1999
- journal article
- research article
- Published by SAGE Publications in Materials Science and Technology
- Vol. 15 (10), 1139-1146
- https://doi.org/10.1179/026708399101505185
Abstract
This paper addresses the influence of processing parameters on the near net shape synthesis of Al–SiC particle reinforced metal matrix composites by the disintegrated melt deposition technique. The processing parameters that were investigated include stirring speed during reinforcement addition, holding and stirring times following reinforcement addition, and total flight distance. The effect of the weight fraction of SiC incorporated was also studied. Maximum incorporation of the reinforcement was achieved by dispersing SiC particles in liquid aluminium with an impeller at a stirring speed of 500 rev min-1. Composite porosity levels were minimised for holding and stirring times following SiC addition of 15 and 5 min, respectively, and for a total flight distance of 450 mm. Composite porosity levels were increased with increasing weight fractions of SiC incorporated. The results obtained clearly demonstrate the dependence of composite porosity levels on weight fraction of reinforcement incorporated, total flight distance, and holding and stirring times following addition of SiC particles, and reinforcement incorporation on stirring speed.This publication has 19 references indexed in Scilit:
- Processing-microstructure-mechanical properties of an Al-Cu/SiC metal matrix composite synthesized using disintegrated melt deposition techniqueMaterials Research Bulletin, 1995
- Spray forming of Al/SiC metal matrix compositesJournal of Microscopy, 1995
- Spray formingProgress in Materials Science, 1995
- Spray Forming of Metal Matrix CompositesPowder Metallurgy, 1994
- Microstructure, excess solid solubility, and elevated-temperature mechanical behavior of spray-atomized and codeposited Al-Ti-SiCPMetallurgical Transactions B, 1992
- A comparison of techniques for determining the volume fraction of particulates in metal matrix compositesMaterials Characterization, 1992
- Microstructure and properties of spray atomized and deposited Al-7SiSiCp metal matrix compositesScripta Metallurgica et Materialia, 1992
- Wetting and interfacial reactions in Al-Li-SiCp metal matrix composites processed by spray atomization and depositionJournal of Materials Science, 1991
- Processing techniques for particulate-reinforced metal aluminium matrix compositesJournal of Materials Science, 1991
- Metal Matrix Composites Produced by Spray CodepositionPowder Metallurgy, 1985