The effectivity of used-oil as quenching medium of 42-CrMo4 steel for automotive materials
The research aims to investigate the effect of the cooling medium on the hardness characteristic and microstructure of the 42CrMo4 steel due to hardening treatment at a temperature of 830°C and holding time of 30 minutes. Various oil such as SAE-10W40, SAE-20W50, SAE-40, and used oil was used in the...
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| Main Authors: | , , |
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| 格式: | UMS Journal (OJS) |
| 语言: | eng |
| 出版: |
Universitas Muhammadiyah Surakarta
2020
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| 主题: | |
| 在线阅读: | https://journals2.ums.ac.id/index.php/arstech/article/view/11 |
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