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首页> 中文期刊> 《中国铸造：英文版》 >Temperature change and stress distribution analysis of die surface in Al-alloy die casting process and experimental study on die heat check

Temperature change and stress distribution analysis of die surface in Al-alloy die casting process and experimental study on die heat check

         
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The temperature change of the die surface in practical aluminum alloy die casting process was analyzed,and a 2D model was formulated on the basis of a deep concave round cavity without sliding core to analyze thestress distributions along the die surface in detail. Equipment was designed to test the thermal state of the die steelin different thermal loading conditions. The results of stress analysis showed that, the value of thermal stress (maximum1.5 GPa) caused in the die filling and die spraying stages was larger than the mechanical stress (maximum 85 MPa)caused in the die locking stage. The results of the thermal check experiment showed that there were three stages ofdie dissolving, and that the stress distribution shown by the samples' cracking routine was close to the die surfacestress analysis.

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