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arvian enggal putra
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering

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Analysis Of The Effect Of Rainfall On The Corrosion Rate Of Car Frames In 10 Regions In Indonesia That Have High Rainfall Levels arvian enggal putra; togu juliman manulang; stepeen binsar manurung; willy brodus nimo; Fardin Hasiubuan
METALOGRAM Metalogram Vol.2 No.2 (April, 2026)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i2.8087

Abstract

This study aims to understand how much rainfall affects damage (corrosion) to car frames in 10 regions in Indonesia that are often hit by heavy rain. The car's frame is essential for the strength and safety of the vehicle, but it can be severely damaged by corrosion. In Indonesia, which has a tropical climate with high rainfall, rainwater can accelerate corrosion because it acts as a "carrier" of destructive substances from the air. We will collect rainfall data from 10 selected locations and test pieces of steel (similar to car frame materials) in those locations for a minimum of 6 months. After that, we will measure how much the steel has reduced in weight (due to corrosion) and see changes to its surface. We will also analyze rainwater content (such as acidity and salt content) to find out what substances accelerate corrosion. The collected data will be statistically processed to see the relationship between rainfall and corrosion velocity, as well as the role of other environmental factors. It is hoped that the results of this study will provide a clear understanding of how corrosion occurs in the tropics of Indonesia and provide practical advice to protect the car frame, so that the car can be more durable and safe.
Application Of Fcaw Welding Techniques In Supply Boat Manufacturing At Pt Vallianz Arvian Enggal Putra; Fardin Hasibuan
METALOGRAM Metalogram Vol.01 No.3 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.8160

Abstract

FCAW is a semi-automatic welding method that offers advantages in welding speed, weld quality, and flexibility in various welding positions. The process begins with equipment preparation, selecting welding parameters according to the Welding Procedure Specification (WPS) standard, and then carrying out welding using root pass, fill pass, and cap pass techniques. Evaluation of welding results is carried out through visual inspection and non-destructive testing (NDT), such as Magnetic Particle Inspection (MPI) and Ultrasonic Thickness Testing (UT) to ensure the quality and integrity of the joint. The results show that the FCAW method is highly effective in supply boat fabrication, especially when supported by good work procedures, adequate operator skills, and strict quality control. This research is expected to provide a practical overview and serve as a reference for students and industry in implementing welding technology in the shipping sector.
Co-Authors Fardin Hasibuan Fardin Hasiubuan stepeen binsar manurung togu juliman manulang willy brodus nimo