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All Journal Jurnal Inovasi Teknologi Terapan Trends in Mechanical Engineering Research
Dwinanto Dwinanto
Universitas Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Assessment of Carbon Black Weight Fraction on the Shear Strength of Polyurethane Adhesive Joints Muhamad Erlan Fahrizal; Sunardi Sunardi; Iman Saefuloh; Shofiatul Ula; Dwinanto Dwinanto; Irfan Santosa
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i2.450

Abstract

Adhesive bonding has become one of the most widely used joining techniques in engineering due to its ability to provide uniform stress distribution, minimize structural weight, and avoid the thermal distortion during welding processes. This study examines the effect of carbon black weight fraction on the shear strength of aluminum single-lap joints bonded with polyurethane adhesive. Aluminum 6061 specimens were prepared following ASTM D1002 standards and were reinforced with carbon black at weight fractions of 0, 8, 16, and 24 wt%. Fourier Transform Infrared (FTIR) spectroscopy was conducted to identify any chemical interactions, and lap shear testing was performed using a Universal Testing Machine (UTM). The results indicated that increasing the weight fraction of carbon black enhanced the shear strength and gradually shifted the failure mode from adhesive failure to cohesive failure. The specimen containing 24 wt% of carbon black exhibited the highest shear strength of 2.81 MPa, with 88% of the failures occurring cohesively. FTIR analysis revealed that carbon black did not introduce any new functional groups but functioned as a physical reinforcing filler within the polyurethane matrix. Therefore, carbon black is an effective reinforcing material for improving the mechanical performance of polyurethane adhesive-bonded aluminum single-lap joints.
COMPARATIVE STUDY OF ADHESIVE STRENGTH IN MAHOGANY WOOD LAMINATED COMPOSITES Pandoe Satria Oetama; Sunardi Sunardi; Shofiatul Ula; Yusvardi Yusuf; Dwinanto Dwinanto; Erny Listijorini; Irfan Santosa
Trends in Mechanical Engineering Research Vol 3, No 1 (2025): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i01.34091

Abstract

Adhesive technology has seen significant advancements in recent years. Compared to welding or threaded joints, adhesives provide a straightforward mechanism for joining material interfaces. Due to practicality allows for the potential development of adhesives with strengths comparable to those of traditional joints. In this study, a modified type of Polyvinyl Acetate (PVAc) adhesive was utilized as a binder for mahogany wood surfaces. The choice of PVAc adhesive is due to its common use in everyday applications, particularly in the woodworking industry. Additionally, this adhesive is relatively safe for both health and the environment. The study examined three types of adhesives: PVAc white adhesive, PVAc yellow adhesive, and a combination of the PVAc white and yellow adhesive. These adhesives were used to bond the wood surfaces, and the bond strength at the interface was evaluated through a flexural test. The results showed that the adhesive strength of white adhesive reached 111 MPa, while the mixed adhesive and yellow adhesive exhibited flexural strengths of 74.2 MPa and 63.4 MPa, respectively. Notably, the presence of white glue was found to enhance the flexural strength of mahogany wood even in the absence of adhesive.
CORRECTIVE MAINTENANCE ON DEFLECTOR ROLL USING BREAKDOWN METHOD AT PT PELAT TIMAH NUSANTARA (LATINUSA), TBK. Ryvaldi Tyas Wijaya; Hamdan Akbar Notonegoro; Dwinanto Dwinanto; Dhimas Satria; Erny Listijorini; Miftahul Jannah
Trends in Mechanical Engineering Research Vol 3, No 1 (2025): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i01.34116

Abstract

Deflector Roll plays an essential role in the manufacturing of tinplate at PT Pelat Timah Nusantara (Latinusa), Tbk. This research examines the corrective maintenance procedure by employing the breakdown method to pinpoint repeated problems and their resolutions. The primary issues noted include degraded bearings, soiled surfaces, and uneven rollers, all of which hinder production continuity. The maintenance procedures consist of disassembling, examining, replacing, cleaning, balancing, and reassembling. Analyzing 55 documented damage occurrences from 2015 to 2024 reveals that surface-related problems were predominant, with 9 instances (16.36%) of glossy smooth surfaces, followed closely by surface buckling (14.55%) and dirty surfaces (14.55%). The outcome indicates that organized maintenance enhances efficiency and extends roll lifespan
Co-Authors Dhimas Satria Erny Listijorini Hamdan Akbar Notonegoro Irfan Santosa Miftahul Jannah Muhamad Erlan Fahrizal Pandoe Satria Oetama Ryvaldi Tyas Wijaya Saefuloh, Iman Shofiatul Ula Yusvardi Yusuf