Journal of the Korean Wood Science and Technology

About Journal of the Korean Wood Science and Technology

The Journal of the Korean Wood Science and Technology (JKWST), launched in 1973 as the official publication of the Korean Society of Wood Science and Technology, has been serving as a core source of knowledge covering basic and applied research in all areas of wood science and technology. The scope of the journal includes wood anatomy, wood deterioration and preservation, wood physics and engineering, wood chemistry and chemical processing, microbiology, wood processing and composites, furniture and construction, wood industry and business, and wood culture and education (see more specific topics below). Research on non-wood forest products (e.g., mushrooms, bark, fruits, seeds, leaves, roots, and medicinal plants) and non-woody plants (e.g., palm, bamboo, and industrial crops) as a source of fiber, chemicals, and products that can substitute for wood-based materials are also welcome. The journal is published bimonthly, with six issues per year. Supplemental or special issues are published occasionally
Original Article

Nov 25, 2025

Experimental Investigation on the Neutral Axis of Wulung Bamboo (Gigantochloa Atroviolacea) BEAM

Inggar Septhia IRAWATI, Habib Zainal ARIFIN, Ditya RAMADHANTI, Gatra Dewa OKTANANDA, Shafira Khairunnisa SUBCHAN

J. Korean Wood Sci. Technol. 2025;53(6):563-584.
https://doi.org/10.5658/WOOD.2025.53.6.563

Previous studies have demonstrated that bamboo exhibits distinct mechanical properties under tensile and compressive loading, characterized by differing moduli of elasticity. This asymmetry implies that the neutral axis of a bamboo cross-section under bending should not lie at mid-height. However, experimental validation of the neutral axis position remains limited. This study aims to comprehensively investigate the bending behavior of Wulung bamboo by considering the tensile and compressive elastic moduli parallel to the grain. Tensile, compre...
Original Article

Nov 25, 2025

Synergistic Toughening of Plywood Using Carbon Fiber and Waste Rubber: An Interpenetrating Polymer Networks Approach

Amit KUMAR, Kuttynadar Rajammal VIJAYA KUMAR, Gopi SURESH, Rajasekharan VEZHAVENDHAN, Palaniappan CHANDRAMOHAN, Ramamoorthi SARANYA, Govindharajan RATHINASABAPATHI

J. Korean Wood Sci. Technol. 2025;53(6):585-598.
https://doi.org/10.5658/WOOD.2025.53.6.585

This study investigates the use of carbon fiber (CF) and waste rubber (WR) as reinforcing materials to improve the physical properties of plywood. The impact of key factors—CF content, WR content, and CF length—on mechanical properties such as modulus of rupture (MOR), modulus of elasticity (MOE), and impact strength (IS) is explored. Water absorption (WA) and thickness swelling (TS) are also examined. Seven plywood samples were created by placing CF and WR as the core layer, with a urea-formaldehyde (70 wt.%) and polyurethane (30 wt.%) mat...
Original Article

Nov 25, 2025

Impact of Density and Porosity on the Sound Absorption of Binder-Free Aggregated Rice Husk

Sorasak DANWORAPHONG, Thammarong EADKHONG

J. Korean Wood Sci. Technol. 2025;53(6):599-609.
https://doi.org/10.5658/WOOD.2025.53.6.599

This study explores the use of binder-free rice-husk aggregates, a widely available agricultural byproduct, as a sustainable alternative for sound absorption in building applications. We assessed the material’s efficacy by conducting experiments using cylindrical housings that were filled with rice husk aggregate. The aggregates were then tested in an impedance tube according to the ASTM E1050 standards in the frequency range of 400 to 6,000 Hz. The porosity was measured using an air pycnometer. The resulting average sound absorption coeffici...
Original Article

Nov 25, 2025

Preliminary Evaluation of Bioactive Nutrients from Steam-Exploded Quercus mongolica Wood for Crop Quality Enhancement and Agronomic Applicability

Sung-Wook HWANG, Geunyong PARK, Won-Hee LEE

J. Korean Wood Sci. Technol. 2025;53(6):610-623.
https://doi.org/10.5658/WOOD.2025.53.6.610

The transition toward sustainable agriculture requires developing eco-friendly inputs that reduce dependency on chemical fertilizers. In this study, a bioactive plant-nutrient solution was developed using steam-exploded biomass of Quercus mongolica (Mongolian oak). The effects of this solution were evaluated across a range of crops. The formulation, which is rich in natural polyphenols and low-molecular-weight organics, was applied under field conditions to various fruits (watermelons, tomatoes, strawberries, Campbell Early grapes, apples, and ...
Original Article

Nov 25, 2025

Comparative Physicochemical Profiling and Antimicrobial Activity of Pinaceae Leaf Essential Oils against Staphylococcus aureus and Klebsiella pneumoniae

Chanjoo PARK, Nahyun KIM, Hyunjeong NA, Mi-Jin PARK

J. Korean Wood Sci. Technol. 2025;53(6):624-636.
https://doi.org/10.5658/WOOD.2025.53.6.624

The research evaluated physical properties, chemical constituents, and antimicrobial activity of Pinaceae oils (Picea koraiensis, Abies nephrolepis, Picea abies, and Tsuga sieboldii) to explore their potential as antibiotic alternatives. Leaf oils were extracted via hydrodistillation and assessed against Staphylococcus aureus and Klebsiella pneumoniae using minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) assays. Among the oils, P. koraiensis oil exhibited the highest density (0.8969 ± 0.0027 g/mL) and refr...
Original Article

Nov 25, 2025

Investigation on the Awareness and Preference for Wood to Promote the Wood Values: IV. Preference and Demand for Wood Culture

Suyeon LEE, Keonho KIM, Jiyoon YANG, Yeonjung HAN

J. Korean Wood Sci. Technol. 2025;53(6):637-647.
https://doi.org/10.5658/WOOD.2025.53.6.637

Wood has gained attention for its value as an eco-friendly resource as well as its potential as an educational and cultural medium in the era of carbon neutrality. This study comprehensively analyzed public preferences for wood culture, demand for experience programs, and participation intentions in order to provide foundational data for developing policies aimed at facilitating more wood utilization. To this end, a survey was conducted on 2,500 adults across 17 metropolitan cities and provinces in South Korea to investigate public awareness of...
Short Note

Nov 25, 2025

Development of a Computer Numerical Control (CNC)-Integrated Passive Autofocus for Continuous Wood Specimen Imaging Using Frequency-Domain Analysis

Jihoon SONG, Junyoung PARK, Ohkyung KWON, Soo CHUNG

J. Korean Wood Sci. Technol. 2025;53(6):648-660.
https://doi.org/10.5658/WOOD.2025.53.6.648

This paper presents a fast Fourier transform-based autofocus technique for computer numerical control microscopy systems for the observation of fine anatomical structures in wood specimens. The proposed method enables systematic pausing of the motorized stage at predetermined X-Y coordinates, analysis of the high-frequency spectral components of the acquired images through fast Fourier transform processing to derive quantitative sharpness metrics, and subsequent implementation of a dual-stage coarse- and fine-search algorithm to determine the o...
Original Article

Nov 25, 2025

Autoregressive Integrated Moving Average (ARIMA) Model Applications for Log Purchase Forecasting in Korea: I. Korean Red Pine and Japanese Larch

Taek-yong JEONG, Seog-goo KANG

J. Korean Wood Sci. Technol. 2025;53(6):661-676.
https://doi.org/10.5658/WOOD.2025.53.6.661

With the recent increase in wood demand, stability in the log supply and effective resource management are becoming increasingly important. However, research focusing on the domestic log purchase of major species remains limited, particularly regarding time-series forecasting based on empirical data. Therefore, this study analyzed the log purchase of two major domestic species, Korean red pine (Pinus densiflora) and Japanese larch (Larix kaempferi), based on the Market Survey of Timber Products, and forecasted their log purchase trends from 202...
Original Article

Nov 25, 2025

Effect of Surface Pre-Treatment on Moisture Dynamics and Drying Defects in Air Drying of Large-Cross-Section Round Timber from Korean Red Pine

Bat-Uchral BATJARGAL, Minjee KANG, Seong-Hyun LEE, Chang-Jin LEE, Hwanmyeong YEO

J. Korean Wood Sci. Technol. 2025;53(6):677-692.
https://doi.org/10.5658/WOOD.2025.53.6.677

Large-cross-section timber is susceptible to defects such as surface checking and blue staining during the protraction process. Uncontrolled air drying without pre-treatment of these materials often leads to these defects and negatively impacts product quality and manufacturing costs. To address these issues, this study implemented real-time monitoring of temperature and moisture changes within the internal and external environments of the timber during drying. This research was conducted using Korean red pine (Pinus densiflora) round timber wi...
Original Article

Nov 25, 2025

A Study on the Moisture Content and Energy Efficiency Change in Wood Fiber Drying over Time Using a Fluidized Bed Dryer

Seong-Hyun LEE, Bat-Uchral BATJARGAL, Minjee KANG, Hyo Won KWAK, Hee HAN, Yohan LEE, Jaewon KIM, Kyunghoon LEE, Hwanmyeong YEO

J. Korean Wood Sci. Technol. 2025;53(6):693-702.
https://doi.org/10.5658/WOOD.2025.53.6.693

Wood fiber has been increasingly used as a sustainable and eco-friendly material; therefore, a drying process that can efficiently remove its high initial moisture content is required. To establish a more eco-friendly and efficient drying strategy, this study analyzed the changes in moisture content and energy efficiency during the drying of wood fiber using a fluidized bed dryer. Drying experiments were conducted on wood fiber for Medium-Density Fiberboard manufacturing (initial moisture content of 150%) under five different temperature condit...

CURRENT ISSUE: Nov 2025, Vol. 53, No. 6

Original Article Experimental Investigation on the Neutral Axis of Wulung Bamboo (Gigantochloa Atroviolacea) BEAM Inggar Septhia IRAWATI, Habib Zainal ARIFIN, Ditya RAMADHANTI, Gatra Dewa OKTANANDA, Shafira Khairunnisa SUBCHAN J. Korean Wood Sci. Technol. 2025;53(6):563-584. https://doi.org/10.5658/WOOD.2025.53.6.563 HTML PDF PubReader	Original Article Synergistic Toughening of Plywood Using Carbon Fiber and Waste Rubber: An Interpenetrating Polymer Networks Approach Amit KUMAR, Kuttynadar Rajammal VIJAYA KUMAR, Gopi SURESH, Rajasekharan VEZHAVENDHAN, Palaniappan CHANDRAMOHAN, Ramamoorthi SARANYA, Govindharajan RATHINASABAPATHI J. Korean Wood Sci. Technol. 2025;53(6):585-598. https://doi.org/10.5658/WOOD.2025.53.6.585 HTML PDF PubReader
Original Article Impact of Density and Porosity on the Sound Absorption of Binder-Free Aggregated Rice Husk Sorasak DANWORAPHONG, Thammarong EADKHONG J. Korean Wood Sci. Technol. 2025;53(6):599-609. https://doi.org/10.5658/WOOD.2025.53.6.599 HTML PDF PubReader	Original Article Preliminary Evaluation of Bioactive Nutrients from Steam-Exploded Quercus mongolica Wood for Crop Quality Enhancement and Agronomic Applicability Sung-Wook HWANG, Geunyong PARK, Won-Hee LEE J. Korean Wood Sci. Technol. 2025;53(6):610-623. https://doi.org/10.5658/WOOD.2025.53.6.610 HTML PDF PubReader
Original Article Comparative Physicochemical Profiling and Antimicrobial Activity of Pinaceae Leaf Essential Oils against Staphylococcus aureus and Klebsiella pneumoniae Chanjoo PARK, Nahyun KIM, Hyunjeong NA, Mi-Jin PARK J. Korean Wood Sci. Technol. 2025;53(6):624-636. https://doi.org/10.5658/WOOD.2025.53.6.624 HTML PDF PubReader	Original Article Investigation on the Awareness and Preference for Wood to Promote the Wood Values: IV. Preference and Demand for Wood Culture Suyeon LEE, Keonho KIM, Jiyoon YANG, Yeonjung HAN J. Korean Wood Sci. Technol. 2025;53(6):637-647. https://doi.org/10.5658/WOOD.2025.53.6.637 HTML PDF PubReader
Short Note Development of a Computer Numerical Control (CNC)-Integrated Passive Autofocus for Continuous Wood Specimen Imaging Using Frequency-Domain Analysis Jihoon SONG, Junyoung PARK, Ohkyung KWON, Soo CHUNG J. Korean Wood Sci. Technol. 2025;53(6):648-660. https://doi.org/10.5658/WOOD.2025.53.6.648 HTML PDF PubReader	Original Article Autoregressive Integrated Moving Average (ARIMA) Model Applications for Log Purchase Forecasting in Korea: I. Korean Red Pine and Japanese Larch Taek-yong JEONG, Seog-goo KANG J. Korean Wood Sci. Technol. 2025;53(6):661-676. https://doi.org/10.5658/WOOD.2025.53.6.661 HTML PDF PubReader
Original Article Effect of Surface Pre-Treatment on Moisture Dynamics and Drying Defects in Air Drying of Large-Cross-Section Round Timber from Korean Red Pine Bat-Uchral BATJARGAL, Minjee KANG, Seong-Hyun LEE, Chang-Jin LEE, Hwanmyeong YEO J. Korean Wood Sci. Technol. 2025;53(6):677-692. https://doi.org/10.5658/WOOD.2025.53.6.677 HTML PDF PubReader	Original Article A Study on the Moisture Content and Energy Efficiency Change in Wood Fiber Drying over Time Using a Fluidized Bed Dryer Seong-Hyun LEE, Bat-Uchral BATJARGAL, Minjee KANG, Hyo Won KWAK, Hee HAN, Yohan LEE, Jaewon KIM, Kyunghoon LEE, Hwanmyeong YEO J. Korean Wood Sci. Technol. 2025;53(6):693-702. https://doi.org/10.5658/WOOD.2025.53.6.693 HTML PDF PubReader

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