Optimasi Parameter Gravitasi Shot Peening Terhadap Kekasaran, Kekerasan dan Struktur Mikro ST 45 dengan Metode Taguchi

Wibowo, Trio Nur; Hartono, Hartono; Sugiantoro, Bambang

doi:10.35970/infotekmesin.v12i1.519

Cited by 1 publication

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References 18 publications

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“…The most influential or dominant factor is the distance factor with a contribution value of 36.21%. The best microstructure test results were obtained at 10 minutes, 100 mm distance and 9 kg/cm² pressure as evidenced by the results of microstructure grain reduction and the hardness measurement results of 240.39 HVN [8].…”

Section: Introductionmentioning

confidence: 94%

The Effect of Shot Peening Hardening Treatment on Pressure Variation on Mechanical Properties and Microstructure of S45C Steel

Sakuri,

Agung,

Prabowo

et al. 2023

j.rekayasa.mesin.

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<p>The purpose of the study was to determine the mechanical properties and microstructure of S45C steel with automatic shot peening treatment. S45C steel is classified as medium steel with a carbon content of 0.51%. Variations of shot peening treatment with varying pressures of 5 bar, 6 bar, and 7 bar. Steel ball shooting uses a size of 0.8 mm, a distance of 100 mm, and a shooting angle of 90o. Hardness test using Vickers and microstructure observation using a microscope. The results of the average hardness test at a pressure of 5 bar are 193.3 VHN, at a pressure of 6 bar with a hardness of 227.2 VHN, and 7 bar with a hardness of 250 VHN. So it can be concluded that the higher the pressure used, the higher the level of hardness obtained. The results of the microstructute photo shown that the higher the pressure released, the more a structure with more martensite phases will be obtained, this has a direct relationship with the hardness of S45C steel.</p>

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Section: Introductionmentioning

confidence: 94%