Abstract
The squeeze casting of aluminium alloys is a rapidly developing technical process that offers the potential for widespread utilization and growth. Squeeze casting process is the result of search of new production processes which are capable of producing components with high integrity. Squeeze casting also called as liquid metal forging combines the advantages of both casting and forging in one operation. Squeeze casting process is suited for all melting ranges of metals. But nowadays, light weight materials like aluminium and magnesium are mostly used in the aerospace and automotive industries. In this attempt, Squeeze casting of AA6061 was done by varying the process parameters such as squeeze pressure at three levels(40 MPa, 80 MPa and 120 MPa) , die preheat temperature at 200 °C and pressure applied duration at 15 seconds respectively and the components were produced. The specimens were made from these components and they were tested for tensile strength and fatigue life. It was observed that the tensile strength and fatigue life exhibited by the components were enhanced with the increase in squeeze pressure.
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