The testing and analysis of cracking Aluminum (Al) materials is the subject of this study. A braking device on a motor vehicle was once as simple as a handle lever. The portion content of porosity from hydrogen gas causes cracking of the handle lever. The presence of H2 can be attributed to a less-than-perfect casting process and die design, particularly at the gate or brisket, as well as overflow. The goal of this study is to improve the process of creating Al part handle levers and fabrication dies by adhering to a set of guidelines. The results of these enhancements were re-evaluated using chemical and mechanical testing qualities, such as density and tensile tests on the workpiece as a part handle lever. The tensile test loads were 25 kg and 35 kg, and the tensile test result met the motor vehicle company's requirement. The porosity defect can be minimised by 99 percent as a result of the optimization. As a result, the best part handle lever can be manufactured. The results clearly demonstrate that process improvements have been accomplished, and mechanical properties and safety have fulfilled the norms.
Author(s) DetailsL. Anggraini
Faculty of Engineering, President University, Jalan Ki Hajar Dewantara, Jababeka Education Park, Cikarang Baru, Bekasi 17550, Indonesia.
Sugeng
Undergraduate Study Program of Mechanical Engineering, President University, Jalan Ki Hajar Dewantara, Jababeka Education Park, Cikarang Baru, Bekasi 17550, Indonesia.
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