日本金属学会誌

J. Japan Inst. Metals, Vol. 28, No. 12 (1964),
pp. 837-842

Temperature Changes of the Interface between Die and Casting on Die Casting

Etsuo Sasaki1, Hiroshi Onoda2 and Kozo Yano3

1Tokyo Medical and Dental University, Tokyo
2Tokyo Institute of Technology, Tokyo;at the Present, Tokyo Rikakogyosho, Tokyo
3Tokyo Institute of Technology, Tokyo; at the Persent, Nippon Kokan Co.Ltd., Kawasakiseitetsusho, Kawasaki

Abstract:

The temperature change of the interface between the die and the casting was measured immediately after the melted metal was injected into the cavity of die. Special thermocouple elements with enough sesitivity for the measurement of the rapid temperature change under the high casting pressure and also proper temperature recording systems were used for this experiment. ZAC and silmin (13%Si) were used as casting alloys. Main results are as follows: (1) The temperature behavior of the casting side of the interface was similar to the case of the gravity die casting, but the temperature near the completion of solidification of the casted alloys was considerably lower than usual solidification and the cooling rate was much faster than the cooling rate in the gravity die casting. (2) The maximum temperature of the die side of the interface was located in the middle temperature region between the die temperature and the melting temperature of the casting alloys.


(Received 1964/7/6)

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