The effect of pure temperature and pressure on alloy hardness of Al-6.7% Cu using squeeze casting method

Author:

Siswanto Rudi,Ma’ruf ,Mukti Adi Marhadi,Subagyo Rachmat

Abstract

Abstract Squeeze casting is done by combining the casting and forging processes. The metal solidification process is carried out in a metal mold by pressing it with hydraulic pressure. This study aims to determine the effect of pouring temperature and pressure on the hardness value of the squeeze casting of Al-6.7% Cu alloy material. The process is that the material is melted using a crucible furnace until it melts then poured with a temperature variation of 710 ° C, 730 ° C and 750 ° C. Then it is poured into a metal mold that is heated to a temperature of 250 ° C and then pressed for 60 seconds with variations of 0 MPa, 2.5 MPa, 5 MPa and 7.5 MPa. The test results show that; (1) the higher the pouring temperature, the lower the hardness value, (2) the higher the pressure, the higher the hardness value. (3) The highest hardness value was at pouring temperature of 710 ° C with a pressure of 7.5 Mpa (59 HB) while the lowest hardness value was at pouring temperature of 750 ° C with a pressure of 0 Mpa (34 HB)

Publisher

IOP Publishing

Subject

General Medicine

Reference7 articles.

1. Squeeze Casting: an overview;Ghomashchi;Journal of Materials Prosessing Technology,1998

2. Squeeze Casting of High-Strength Alumunium Wrought Alloy AA7010;Yue;Journal of Material Processing Technology,1997

3. Squeeze Casting of Light Alloys and Their Composites;Yue;Journal of Material Processing Technology,1996

4. An Analysis of Casting Temperature Effect on THE Hardness and Tensile Strength of Alloy of Al-19.6Si-2.5Cu, 2.3Zn (Recycle) From The Result of Evaporative Casting;Siswanto,2017

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