Pengaruh Variasi Pendingin Terhadap Sifat Fisik Dan Mekanik Hasil Pengecoran Aluminium
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Institusion
Politeknik Negeri Bengkalis
Author
Asman, Asman
Subject
431 Teknik Mesin (dan Ilmu Permesinan Lain)
Datestamp
2023-06-13 16:32:05
Abstract :
The purpose of this research is to know the result of casting influenced by several variations of coolant, physical and mechanical properties of cast aluminum piston waste and brake shoe. The research method is done by casting process by sand casting method and data analysis. Results Rockwell hardness values have value The foundry microstructure in this study has a smooth equiaxial grain shape. Aluminum casting results have an average hardness of 84 HRC brake shoe and piston with an average of 2.6 HRC. Rockwell hardness values mixed between breake shoe and piston by using oil cooling medium has an average value of 60.43 HRC. The maximum voltage of 96.43 which is higher than that of the brake shoe is affected by the piston element and the water cooling medium having PH 6.4 which does not contain much porosity. While the highest strain value on oil pendinggin media has a value of 21% because it is not affected porosity at the time of pouring liquid phase solid. From the impact test results the highest impact value is by using oil Cooler with a value of 19.12 joules
The purpose of this research is to know the result of casting influenced by several variations of coolant, physical and mechanical properties of cast aluminum piston waste and brake shoe. The research method is done by casting process by sand casting method and data analysis. Results Rockwell hardness values have value The foundry microstructure in this study has a smooth equiaxial grain shape. Aluminum casting results have an average hardness of 84 HRC brake shoe and piston with an average of 2.6 HRC. Rockwell hardness values mixed between breake shoe and piston by using oil cooling medium has an average value of 60.43 HRC. The maximum voltage of 96.43 which is higher than that of the brake shoe is affected by the piston element and the water cooling medium having PH 6.4 which does not contain much porosity. While the highest strain value on oil pendinggin media has a value of 21% because it is not affected porosity at the time of pouring liquid phase solid. From the impact test results the highest impact value is by using oil Cooler with a value of 19.12 joules
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