Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/58342
Title: Hardness, wear resistance and fracture toughness of cast hiduminium/corundum particulate composites
Authors: Seah, K.H.W. 
Kulkarni, R.S.
Sharma, S.C.
Ramachandra, A.
Issue Date: 1996
Source: Seah, K.H.W.,Kulkarni, R.S.,Sharma, S.C.,Ramachandra, A. (1996). Hardness, wear resistance and fracture toughness of cast hiduminium/corundum particulate composites. Journal of Materials Science and Technology 12 (5) : 357-360. ScholarBank@NUS Repository.
Abstract: This paper reports some results obtained in an investigation to see how increasing the corundum dispersoid content from 0% to 7% in a matrix of as-cast and wrought hiduminium alloy affects the hardness, wear resistance and fracture toughness of the composite. The results show that as the corundum content is increased, the hardness and the wear resistance increase remarkably, whereas the fracture toughness drops significantly. It was found that just a minute amount of corundum is sufficient to cause a fairly large change in these mechanical properties. The hardness of the material is also affected significantly by the aging time. Moreover, if other factors are kept constant, hot extrusion improves both its hardness and its wear resistance, whereas the fracture toughness is decreased.
Source Title: Journal of Materials Science and Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/58342
ISSN: 10050302
Appears in Collections:Staff Publications

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