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|Title:||Analysis of precipitation hardening of 6061/10% SiC composite by differential scanning calorimetry||Authors:||Lu, L.
|Issue Date:||1998||Citation:||Lu, L.,Gupta, M.,Lai, M.O. (1998). Analysis of precipitation hardening of 6061/10% SiC composite by differential scanning calorimetry. Journal of Thermal Analysis and Calorimetry 54 (3) : 825-835. ScholarBank@NUS Repository.||Abstract:||The precipitation of a supersaturated 6061 Al alloy reinforced with 30% SiCp was monitored by using a DSC technique. DSC thermal curves were used to predict peak-aging temperatures and durations. The activation energies for precipitation of the β″ phase were found to increase with elevation of the solution temperature from 510 to 600°C, and hence the peakaging temperature and duration also increased. Micro structural examination revealed an increase in grain size when a high solution temperature was applied. To compare predicted peakaging temperatures and durations, hardness measurements were carried out after artificial aging. The studies revealed that peak-aging hardening was obtained when the aging temperatures and durations corresponded to about 95% to 97% precipitation of β″ phase from conversion plots.||Source Title:||Journal of Thermal Analysis and Calorimetry||URI:||http://scholarbank.nus.edu.sg/handle/10635/92661||ISSN:||14182874|
|Appears in Collections:||Staff Publications|
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