Hardness and microstructure investigation of steel rod ST 42 coated by chrome steel using wire arc spray coating

• Autorzy: Puspitasari P. , Yudhistantra A. , Haryono A. S. , Dika J. W. , Achyarsyah M. , Shikh Zahari S. M. S. N.

Identyfikatory

DOI

10.5604/01.3001.0012.8385

• Języki publikacji: EN

Abstrakty

EN

Purpose: This research aimed to examine the hardness, surface roughness and microstucture in the Steel Rod ST 42 coated by chrome steel using wire arc spray coating with variations in spraying current of 140, 155, 170 and 180 Ampere. Design/methodology/approach: There was 12 specimens consisting of 3 specimens for each variation of the electric current coating. The specimens were cut to 30 mm in length and 27 mm in diameter; as many as 4 x 3 pieces, each specimen was cut to a size of 30 mm and put on a lathe to be drilled 1 mm deep. The hardness testing employed the Brinell hardness test method. The hardness testing process was followed by microstructure observation and SEM-EDAX testing. Findings: The highest hardness was 110.77 HRB by coated at 155 A and it contained many reinforcing inclusions and larger Cr. The lowest current of 140 A had many porosity holes and partially-melted particles, causing Cr grains did not attach perfectly. The current with 170 A had few inclusions and hence a decrease in hardness and at 180 A consisted of a low carbon content and evenly distributed inclusions and Cr and relatively large grain size, and thus the hardness rose. Research limitations/implications: The material of steel rod ST 42 coated by chrome steel. Practical implications: The variation of current should be prepared wisely in term because it will effect the hardness, surface roughness and microstucture. This research can be improved by varying the voltage, gas pressure, particle velocity, particle temperature, and molten wire width. Originality/value: Simple route of making steel rod ST 42 coated by chrome steel using wire arc spray coating and also the investigation of hardness, surface roughness and microstucture in steel rod ST 42 coated by chrome as the result.

Słowa kluczowe

EN

wire arc spray coating; thermal spraying; chrome steel

PL

natryskiwanie cieplne; stal chromowana

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2018
• Tom: Vol. 90, nr 2
• Strony: 69--76
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Puspitasari P.

• Mechanical Engineering Department, Engineering Faculty, State University of Malang, Semarang street No. 5, Malang, East Java, 65142, Indonesia

autor

Yudhistantra A.

• Mechanical Engineering Department, Engineering Faculty, State University of Malang, Semarang street No. 5, Malang, East Java, 65142, Indonesia

autor

Haryono A. S.

• Mechanical Engineering Department, Engineering Faculty, State University of Malang, Semarang street No. 5, Malang, East Java, 65142, Indonesia

autor

Dika J. W.

• Mechanical Engineering Department, Engineering Faculty, State University of Malang, Semarang street No. 5, Malang, East Java, 65142, Indonesia

autor

Achyarsyah M.

• Foundy Department, Bandung Polytechnic Manufacture, Kanayakan 11, Bandung, West Java, Indonesia

autor

Shikh Zahari S. M. S. N.

• Industrial Chemical Technology Programme, Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan, Malaysia

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).