The effects of opening flask temperature and cooling rate on low and high temperature age-hardening alloy casting are tested and studied.
试验研究了开箱温度和冷却速度对低、高温时效型合金时效硬化效果的影响。
The deluge core of the utility model has the advantages of good high temperature resistance, impact resistance and good breaking effect of a riser and operable time of an opening flask.
本实用新型雨淋芯具有很好的耐高温、耐冲击性，以及良好的冒口拔断效果及开箱可操作时间。
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