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Comparative Study of the Cavity Pressure of Magnesium Alloy and Aluminium Alloy During Die Casting Process |
LIU Wenhui; LIU Yangai; XONG Shoumei; LIU Baicheng;Y. Matsumoto; M. Murakami |
Mechanical Engineering Department; Tsinghua University; Beijing 100084 |
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Cite this article:
LIU Wenhui; LIU Yangai; XONG Shoumei; LIU Baicheng; Y. Matsumoto; M. Murakami. Comparative Study of the Cavity Pressure of Magnesium Alloy and Aluminium Alloy During Die Casting Process. Acta Metall Sin, 2005, 41(1): 103-.
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Abstract The pressure changes in the cavity of ADC12 and
AZ91D die castings under the same processing technology
have been measured. From liquid phase to solid phase, the pressure
curves of ADC12 and AZ91D are divided into six sections and the
characteristic parameters were defined based on the experimental
results. The results show that the filling pressure and filling
time as well as the trend of pressure change of these two alloys
are almost the same. The pressure holding time and the effective
holding time of the transferred pressure of ADC12 are much higher
than those of AZ91D. For different measured points, the
maximum transferred pressures of ADC12 are close to each other
and those of AZ91D show a great difference. The difference of
pressure curves between the two alloys is related to the
solidification characteristic of the liquid
metal and the mechanical properties of the alloys.
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Received: 13 January 2004
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