Asril, Fikral Aditya (2024) PENGARUH TEMPERATUR DAN KECEPATAN INDUCTION HEATING PROSES QUENCHING PIPA LOW CARBON STEEL TERHADAP SIFAT MEKANIK DAN STRUKTUR MIKRO. S1 thesis, Fakultas Teknik Universitas Sultan Ageng Tirtayasa.

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Abstract

The expansion of the steel industry has prompted steel manufacturing companies to pursue research and development initiatives aimed at producing steel of superior quality while maintaining optimal production efficiency. induction heating represents an efficient steel manufacturing technology, whereby the temperature and feed speed variables are adjusted to improve the mechanical properties and microstructure of steel. The objective of this study is to ascertain the impact of induction heating temperature and speed on the mechanical properties and microstructure of low-carbon steel pipe. The methodology employed in this study entails the application of an induction heating quenching process to low carbon steel pipes at varying temperatures (875°C, 900°C, and 925°C) and speeds (40mm/s, 45mm/s, and 50mm/s). This is followed by tensile testing and Vickers hardness testing to ascertain the mechanical properties and metallographic characteristics of the material. The data obtained from these tests included yield value, tensile value, percent elongation, percent yield/tensile, Vickers hardness number, and microstructure. The results showed that the higher the induction heating temperature, the higher the yield value, percent elongation, percent yield/tensile, and vickers hardness value produced, but the lower the tensile value produced, the more martensite microstructure produced, uniform, and smooth, while ferrite will be less. The higher the induction heating speed, the lower the yield value and tensile value, the higher the percent elongation, yield/tensile value, and Vickers hardness value, the more martensite microstructure, uniform and smooth, while the less ferrite.

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