KARAKTERISTIK PROSES BUBUT TERHADAP SURFACE INTEGRITY MATERIAL STAINLESS STEEL 316L HASIL LASER METAL DEPOSITION

Hilman Zaki Zaidan, . (2026) KARAKTERISTIK PROSES BUBUT TERHADAP SURFACE INTEGRITY MATERIAL STAINLESS STEEL 316L HASIL LASER METAL DEPOSITION. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.

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Abstract

This study aims to analyze the effect of turning process parameters on the surface integrity of Stainless Steel 316L produced by Laser Metal Deposition (LMD), which often faces challenges regarding surface roughness and changes in mechanical properties after manufacturing. The process variables studied include cutting speed (Vc), feed rate (f), and cutting conditions against two main responses: surface roughness (Ra) and Vickers microhardness (HV). Specimens were processed using a CNC lathe to determine the relationship between machining parameters and the resulting surface quality. Statistical analysis using Analysis of Variance (ANOVA) shows that cutting speed (Vc) is the most dominant factor affecting microhardness with a P-value of 0.002, while feed rate significantly influences the surface roughness. The optimal combination of parameters to produce the best surface integrity, including low roughness and stable hardness, was found at a cutting speed of 120 m/min, a feed rate of 0.1 mm/rev, and wet cutting conditions. These findings are expected to serve as a process optimization guide for the manufacturing industry in processing LMD-based components.

Item Type: Thesis (Skripsi)
Additional Information: [No.Panggil: 2210311071] [Pembimbing: Muchamad Oktaviandri] [Penguji 1: Nicky Yongkimandalan] [Penguji 2: Fitri Wahyuni]
Uncontrolled Keywords: Stainless Steel 316L, Laser Metal Deposition, CNC Turning, Surface Roughness, MicroHardness.
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Divisions: Fakultas Teknik > Program Studi Teknik Mesin (S1)
Depositing User: HILMAN ZAKI ZAIDAN
Date Deposited: 28 Aug 2026 02:07
Last Modified: 28 Aug 2026 02:07
URI: http://repository.upnvj.ac.id/id/eprint/50795

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