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KMID : 0362120140360030149
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Journal of Technologic Dentistry
2014 Volume.36 No. 3 p.149 ~ p.158
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Analysis of infrared thermal image for melting processes of Co-Cr-Mo based alloy using high frequency induction casting machine
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Kang Hoo-Won
Park Young-Sik
Hwang In
Lee Chang-Ho
Heo Yong
Won Yong-Gwan
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Abstract
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Purpose: Dental casting Co-Cr-Mo based alloys of five kinds of ingot type and two kinds of shot type were analyzed the melting processes with heating time of high frequency induction centrifugal casting machine using infrared thermal image analyzer.
Methods: When Co-Cr-Mo based alloys were put about 30g/charge in the ceramic crucible of high frequency induction centrifugal casting machine and heat, Infrared thermal image analyzer and IR thermometer indicated these alloys in the crucible were set and operated.
Results: The melting temperatures of alloys measuring infrared thermal image analyzer were deviated 10 compared to those of manufacturing company. On the other hand, the melting time of alloys were differently appeared with the shape of alloys(ingot and shot type).
Conclusion: The melting temperatures of dental Co-Cr-Mo based alloys were measured the degree of 1,360~1410 and the heating time with the alloys of ingot and shot type were deviated 10 sec.
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KEYWORD
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Co-Cr-Mo based alloy, melting process, IR thermometer, high frequency induction centrifugal casting machine, infrared thermal image analyzer
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