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Title: Properties of cast hiduminium/corundum particulate composites
Authors: Seah, K.H.W. 
Kulkarni, R.S.
Sharma, R.S
Ramachandra, A.
Issue Date: Jun-1995
Source: Seah, K.H.W.,Kulkarni, R.S.,Sharma, R.S,Ramachandra, A. (1995-06). Properties of cast hiduminium/corundum particulate composites. Journal of Materials Science and Technology 11 (3) : 171-175. ScholarBank@NUS Repository.
Abstract: Some results obtained in an investigation to see how increasing the corundum dispersoid content from 0% to 7% in a matrix of hiduminium alloy affects the tensile and compressive strength, the hardness and the casting characteristics of the composite. The results show that as the corundum content is increased, ultimate tensile strength (UTS), compressive strength and hardness increase remarkably, whereas fluidity of the molten composite during casting drops significantly. It was found that just a minute amount of corundum is sufficient to cause a fairly large change in the mechanical properties and the fluidity of the molten material. This drop in castability is one of the reasons why adding corundum beyond 7 percent is not recommended. If other factors are kept constant, the fluidity is slightly improved when the pouring temperature of the molten metal is increased from 670 to 710°C.
Source Title: Journal of Materials Science and Technology
ISSN: 10050302
Appears in Collections:Staff Publications

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