Analisa Pengaruh Penambahan Karbon Arang Tempurung Kelapa Dengan Variasi Mesh 10, 20, 30 Terhadap Struktur Mikro dan Tingkat Kekerasan Pada Logam Baja Hasil Reduksi Hot Rolling

Latif Firmansyah, Hayu and , Ir. Pramuko Ilmu Purboputro, MT. (2020) Analisa Pengaruh Penambahan Karbon Arang Tempurung Kelapa Dengan Variasi Mesh 10, 20, 30 Terhadap Struktur Mikro dan Tingkat Kekerasan Pada Logam Baja Hasil Reduksi Hot Rolling. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

The effect of adding coconut shell charcoal with variations of 10, 20, 30 to the microstructure and the level of hardness in the hot rolling steel has been investigated. Hot rolling parameters and compressive forces are made uniform. The parameter used is the reduction in thickness from 3mm to 2.85mm which is carried out at room temperature after being given anealing treatment with a temperature of 938 ̊C for 30 minutes in accordance with ASM Handbook No. 8. Physical properties are known based on microstructure testing and mechanical properties are known based on testing vickers micro hardness. The results showed that the value of hardness in hot rolling was higher than before being given hot rolling treatment. The average value of hardness was given annealing treatment after hot rolling 131.4 HV, 132, 8 HV and 133.6 HV while before being given annealing before hot rolling 130.2 HV. Keywords: Carbon steel, Carburising, Annealing, Hot Rolling, Mechanical properties.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Data, Informasi, Perpustakaan
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	HAYU LATIF FIRMANSYAH
Date Deposited:	21 Feb 2020 10:07
Last Modified:	21 Feb 2020 10:07
URI:	http://eprints.ums.ac.id/id/eprint/81582

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