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Asep Bayu Dani Nandiyanto
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ASEAN Journal for Science and Engineering in Materials
Published by Yayasan Bumi Publikasi Nusantara
ISSN : 2828920X     EISSN : 28289951     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
The ASEAN Journal for Science and Engineering in Materials (AJSEM) promotes research in the broad field of Science and Engineering in Materials with particular respect to Indonesia, but not limited to authorship or topical coverage within the region. Contributions are expected from senior researchers, project managers, research administrators and PhD students at advanced stages of their research, representing both public organizations and private industry. Equally, the journal if intended for scholars and students, reseachers working at research organizations and government agencies, and also for enterprises undertaking applied R&D to lead innovations. The editorial contents and elements that comprise the journal include: Theoretical articles Empirical studies Practice-oriented papers Case studies Review of papers, books, and resources. As far as the criteria for evaluating and accepting submissions is concerned, a rigorous review process will be used. Submitted papers will, prior to the formal review, be screened so as to ensure their suitability and adequacy to the journal. In addition, an initial quality control will be performed, so as to ensure matters such as language, style of references and others, comply with the journal´s style. The editorial board welcomes innovative manuscripts from Science and Technology field. The scopes of this journal are Material Science and Engineering Materials relating to Agriculture Materials relating to Architecture and Civil Engineering Materials relating to Astronomy and Space Engineering Materials relating to Biology, Biological and Bio System Engineering Materials relating to Chemistry and Chemical Engineering Materials relating to Computer Science and Engineering Materials relating to Earth Science and Engineering Materials relating to Electric, Electronic, and Electrical Engineering Materials relating to Environment Science and Engineering Materials relating to Food Science and Engineering Materials relating in the Organization of Laboratories Material Science and Engineering relating to Education
Arjuna Subject : Ilmu Material (semua kategori) - Ilmu Material (Lain-Lain)
Articles 3 Documents
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Search results for , issue "Vol 5, No 2 (2026): AJSEM: Volume 5, Issue 2, September 2026" : 3 Documents clear
Comprehensive Analysis of Physical, Mechanical, Wettability, Shear, and Bonding Performance Properties of Rubberwood Various Trunk Diameters and Radial Positions Bonded with Various Adhesives for Sustainable Engineered Timber Construction: Bibliometric and Experimental Insights toward the Sustainable Development Goals (SDGs) Srivaro, Suthon; Jantawee, Sataporn
ASEAN Journal for Science and Engineering in Materials Vol 5, No 2 (2026): AJSEM: Volume 5, Issue 2, September 2026
Publisher : Bumi Publikasi Nusantara

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Abstract

This study presents a comprehensive analysis of the physical, mechanical, wettability, shear, and bonding performance properties of rubberwood within and between trunks of various diameters bonded with different adhesives for sustainable engineered timber construction. Rubberwood samples from trunks of different sizes were tested for density, modulus of rupture, modulus of elasticity, compressive strength, shear strength, and wettability. Polyvinyl acetate (PVAc) and polyurethane (PUR) adhesives were applied under varying clamping pressures to evaluate bonding strength and wood failure behavior. The results revealed minimal variation in physical and mechanical properties across radial positions and trunk diameters, while PVAc achieved slightly higher bonding efficiency. Wettability remained stable across zones and surfaces. A bibliometric analysis highlighted increasing global interest in rubberwood and bio-based materials for sustainable construction, emphasizing its relevance to the Sustainable Development Goals (SDGs) and its potential as a renewable material for green innovation.
Experimental and Bibliometric Analysis of Truncated Cone Fouling Suppression Device for Vortex-Induced Vibration Control in Marine Structures Sukarnoor, Noor Idora Mohd; Nik, Wan Mohd Norsani Wan; Hussain, Ahmad; Quen, Lee Kee; Saris, Nur Najahatul Huda; Jusoh, Suriani Mat; Zulkifli, Fakhratul Ridwan
ASEAN Journal for Science and Engineering in Materials Vol 5, No 2 (2026): AJSEM: Volume 5, Issue 2, September 2026
Publisher : Bumi Publikasi Nusantara

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Abstract

Vortex-induced vibration (VIV) poses a critical threat to the integrity and fatigue life of marine and offshore structures. This study evaluates the effectiveness of a truncated cone fouling suppression device in reducing VIV of a low-mass ratio circular cylinder. Experiments were performed in a circulating water flume at Reynolds numbers ranging from 8,000 to 45,000, using various surface coverage ratios. The vibration amplitude and frequency responses were analyzed to determine suppression performance. Results showed that the device reduced oscillation amplitude by up to 68% within the lock-in region, with optimal suppression observed at 25-50% coverage. This indicates that partial surface modification enhances flow–structure interaction and weakens wake coherence. Furthermore, a bibliometric analysis was integrated to identify research trends and gaps in passive vibration control. The present approach provides both scientific and practical insights for developing low-drag, efficient, and sustainable VIV mitigation strategies in marine engineering.
Hydrological Drainage Effects on Microbial Dynamics in Badas Peatland: Fungal Decline, Bacterial Dominance, and Reduced Microbial Biomass Carbon Sahat, Muhammad Hadi; Sukri, Rahayu Sukmaria; Jaafar, Salwana; Shivanand, Pooja; Gödeke, Stefan
ASEAN Journal for Science and Engineering in Materials Vol 5, No 2 (2026): AJSEM: Volume 5, Issue 2, September 2026
Publisher : Bumi Publikasi Nusantara

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Abstract

Peatlands are globally important ecosystems for carbon storage and climate regulation, yet hydrological drainage for agriculture and infrastructure has disrupted their ecological balance. This study examined the effects of drainage on soil microbial communities and microbial biomass carbon (MBC) in Badas Peatland, Brunei Darussalam. Soil samples were collected along two transects (Jalan Badas Middle and North) and analyzed using microBIOMETER® and plate count methods. Results revealed that fungal abundance and MBC increased with distance from the drainage canal, whereas bacterial and actinomycete counts decreased. The fungal-to-bacterial ratio showed a strong positive correlation with MBC, indicating that drainage adversely affects fungal populations and soil carbon retention. These findings highlight that fungi are more sensitive to drainage-induced stress than bacteria, reducing the peatland’s capacity for carbon sequestration. The study emphasizes the need for sustainable water management strategies to preserve soil microbiology and mitigate carbon loss from tropical peatlands.

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