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首页> 外文期刊>International Journal of Advancements in Technology >Effect of Squeeze Cast Process Parameters on Fluidity of Aluminium LM6 Alloy
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Effect of Squeeze Cast Process Parameters on Fluidity of Aluminium LM6 Alloy

机译：挤压铸造工艺参数对铝LM6合金流动性的影响

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摘要

In squeeze casting process, the liquid molten metal charge is compressed under a pressure inside the mould cavity. The applied squeeze pressure should be optimum because the cooling rate of molten metal increases with the increase in applied pressure there by fluidity property decreases. In the present work investigation about the effect of Squeeze pressure on the Aluminium LM6 fluidity property. Fluidity refers to the property of a metal; the most prevalent fluidity tests is the spiral-shaped mould test, Aluminium LM6 alloy in the molten state is applied into the spiral die cavity by the squeeze pressure. The distance covered by molten metal in spiral channel after the application of pressure is the measure for fluidity. The fluidity keeps increasing up to a particular pressure and drops suddenly. At a pouring temperature of 750°C the maximum fluidity of LM6 alloy during squeeze casting was obtained under the applied pressure of 30 MPa and the fluidity of LM6 alloy during squeeze casting increases with increase in pouring molten metal temperature.
机译：在挤压铸造过程中，液态熔融金属装料在模腔内部的压力下被压缩。施加的挤压压力应该是最佳的，因为随着流动性的降低，熔融金属的冷却速度随着施加压力的增加而增加。在目前的工作研究中，挤压压力对铝LM6流动性的影响。流动性是指金属的特性。最普遍的流动性测试是螺旋形模具测试，将熔融态的LM6铝合金通过挤压压力施加到螺旋模腔中。施加压力后，螺旋通道中熔融金属覆盖的距离是流动性的量度。流动性不断增加直至达到特定压力，然后突然下降。在浇注温度为750°C的情况下，在施加的30 MPa压力下，获得了LM6合金在挤压铸造过程中的最大流动性，并且在LM6合金在挤压铸造过程中的流动性随着浇铸熔融金属温度的升高而增加。

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