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Specific heat of superheated Al-10Sr alloy melts 被引量:1
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作者 王艳 边秀房 +1 位作者 张忠华 孙益民 《中国有色金属学会会刊:英文版》 CSCD 2001年第3期455-457,共3页
The specific heat of superheated Al 10Sr melts was determined at different heating rates between 1 K/min and 20 K/min using a differential scanning calorimeter(DSC). As a whole, the specific heat increases with increa... The specific heat of superheated Al 10Sr melts was determined at different heating rates between 1 K/min and 20 K/min using a differential scanning calorimeter(DSC). As a whole, the specific heat increases with increasing temperature. A hump is observed on the specific heat curve at the temperature corresponding to the phase boundary temperature dependent on heating rate. Moreover, the hump shifts to higher temperature in the measured temperature range from about 840 ℃ to 890 ℃ with increasing heating rate. At certain temperature in the higher superheated zone, the specific heat of the melt as a function of temperature shows a sharp rise . The result indicates that disorder zone fraction begins to increase while atom clusters fraction decreases at the breaking temperature. [ 展开更多
关键词 SUPERHEAT al 10sr alloy melts specific heat heating rate quasi polycrystalline modeling
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