Jurnal Teknologi
Vol 22, No 1 (2022): April 2022

Kajian Pengaruh Rapat Arus pada Pelapisan Hard Chrome terhadap Kekerasan Permukaan Baja Karbon Rendah (ST 37)

Nurdin Nurdin (Politeknik Negeri Lhokseumawe)
Ichsan Maulana (Jurusan Teknik Mesin Politeknik Negeri Lhokseumawe)
Yuniati Yuniati (Jurusan Teknik Mesin Politeknik Negeri Lhokseumawe)
Ismi Amalia (Jurusan Teknik Mesin Politeknik Negeri Lhokseumawe)

Article Info

Publish Date
20 Apr 2022

Abstract

AbstractThe hard chrome process is one of the most widely used metal finishing methods to avoid corrosion, besides that hard chrome can improve metal quality such as hardness. The Hard chrome process is carried out by varying the current density of 30 Amp/dm2, 30 Amp/dm2, 40 Amp /dm2 and 50 Amp/dm2 with a coating time of 40 minutes at a solution temperature of 50 ᵒC. After the hard chrome process, the surface hardness test was carried out using a microvickers indent with a loading of 25 g.f. The results showed that the layer thickness and hardness increased when the current strength increased. The highest hardness value occurred at a current of 4 amperes of 551.6 VHN and a layer thickness of 1.80 microns.

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Journal Info
Jurnal Teknologi
Website

Abbrev

teknologi

Publisher

Politeknik Negeri Lhokseumawe

Subject

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering

Description

Jurnal Teknologi is a peer-reviewed journal that aims at the publication and dissemination of original research articles on the latest developments in all fields of technology and engineering sciences. The journal publishes original papers in Indonesian and English, which contribute to the ...