Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.11889/4113
Title: | Compressive characteristics of A356/fly ash cenosphere composites synthesized by pressure infiltration technique | Authors: | Alaraj, Simon Rohatgi, P. K. Kim, J. K. Gupta, N. Daoud, A. |
Keywords: | Fly ash;Aluminum alloys;Cenospheres | Issue Date: | 2005 | Abstract: | Loose beds of hollow fly ash particles (cenospheres) were pressure infiltrated with A356 alloy melt to fabricate metal-matrix syntactic foam, using applied pressure up to 275 kPa. The volume fractions of cenospheres in the composites were in the range of 20–65%. The processing variables included melt temperature, gas pressure and particles size of fly ash. The effect of these processing variables on the microstructure and compressive properties of the synthesized composites is characterized. Compressive tests performed on these metalmatrix composites containing different volume fractions of hollow fly ash particles showed that their yield stress, Young’s modulus, and plateau stress increase with an increase in the density. Variations in the compressive properties of the composites in the present study were compared with other foam materials. | URI: | http://hdl.handle.net/20.500.11889/4113 |
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