310 Influence of Abnormal Structure on the Reliability of Squeeze Castings
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概要
- 論文の詳細を見る
Influence of the abnormal structure, such as scattered chill structure or cold shut, in JIS AC4CH (Al-7.3%Si-03.%Mg) aluminum alloy squeeze castings on the reliability of mechanical properties was investigated. The shot time lag (STL) and the heat transfer coefficient between molten alloy and shot sleeve were changed as the process parameters to control the formation of the abnormal structure. Both the tensile strength and its reliability were remarkably improved by using the powder lubricant or by decreasing the STL Regarding the fracture elongation, the average elongation was improved due to the reduction of abnormal structure on the fracture surface. However, the reliability of the fracture elongation was sufficiently improved by neither STL nor the type of lubricants. It is found that the reduction of abnormal structure is effective to improve the strength and fracture elongation of squeeze castings.
- 一般社団法人日本機械学会の論文
著者
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Yoshida Makoto
Department of Internal Medicine, Kitasato University School of Medicine
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Yoshida M
Molecular Photoscience Research Center Kobe University:institute For Solid State Physics University
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KIMURA Ryosuke
Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sci
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Kimura Ryosuke
Department Of Gastroenterology And Metabolism Nagoya City University Graduate School Of Medical Scie
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Kimura Ryosuke
Department Of Mechanical System Graduate School Of Hiroshima University
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SASAKI Gen
Department of Mechanical Materials Engineering, Hiroshima University
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Sasaki Gen
Department Of Mechanical System Graduate School Of Hiroshima University
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Sasaki Gen
Department Of Mechanical Materials Engineering Hiroshima University
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Pan Jin
Hanano Corporation
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Fukunaga Hideharu
Kure National College of Technology
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Pan J
Hanano Corporation
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Sasaki Gen
Department Of Materials And Production Engineering Faculty Of Engineering Hiroshima University
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Yoshida Makoto
Department Of Biology Faculty Of Science University Of Kochi
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Yoshida Makoto
Department Of Environmental And Natural Resource Science Faculty Of Agriculture Tokyo University Of
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Yoshida Makoto
Fac. Of Agriculture Tokyo Univ. Of Agriculture And Technol.
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KIMURA Ryosuke
Department of Chemical Engineering and Materials Science, Doshisha University
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