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PENGARUH PERBEDAAN MEDIA PENDINGIN PROSES HARDENING TERHADAP KEKERASAN BAJA ASSAB 705

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ASSAB 705 steel has a carbon content of 0.38%–0.43%. ASSAB 705 steel is used as gear components, piston connecting rods, and shafts. Efforts to make the steel more resistant to friction are made by hardening the quenching method. The purpose of this study was to determine the effect of different cooling media for the hardening process on the hardness of ASSAB 705 steel. The type of research used was experimental research. small cylinders with a diameter of 20 mm and a thickness of 20 mm. The specimens were heated in a furnace at a temperature of 9000 C with a cooling medium of early maturing coconut water (pH 4.9), graded coconut water (pH 4.8), and hybrid coconut water (pH 5.0), which would then be tested for hardness by the Vickers method with a load of 30 kgf. It is proven different cooling media types of coconut water affect the hardness of ASSAB 705 steel with the highest hardness result was in the hybrid coconut water quenching specimen at pH 5.0 with a hardness value of 631.12 kgf/mm2, then in the early maturing coconut water quenching specimen at pH 4.9 with a hardness value of 581.52 kgf/mm2, and the lowest hardness value was in the coconut water quenching specimen at a pH level of 4.8 with a hardness value of 572.07 kgf/mm2.

Availability
Inventory Code Barcode Call Number Location Status
2307000707T87015T870152023Central Library (Referens)Available but not for loan - Not for Loan
Detail Information
Series Title
-
Call Number
T870152023
Publisher
Indralaya : Prodi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan Universitas Sriwijaya.,
Collation
xvi, 99 hlm.; ilus.; 29 cm
Language
Indonesia
ISBN/ISSN
-
Classification
620.170 7
Content Type
Text
Media Type
unmediated
Carrier Type
-
Edition
-
Subject(s)
Prodi Pendidikan Teknik Mesin
Specific Detail Info
-
Statement of Responsibility
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No other version available

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