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 an official publication of the Korean Society of Wood Science and Technology has been served as a core of knowledges on wood science and technology. The Journal acts as a medium for the exchange of research in the area of science and technology related to wood, and publishes results on the biology, chemistry, physics and technology of wood and wood-based products. Research results about applied sciences of wood-based materials are also welcome. The Journal is published bimonthly, and printing six issues per year. Supplemental or special issues are published occasionally.
Original Article

Nov 25, 2023

Dimensional Stability and Mechanical Properties of Citric Acid Impregnated Samama Wood (Anthocephalus macrophyllus (Roxb) Havil) at High Curing Temperatures

Sarah AUGUSTINA, Sari Delviana MARBUN, SUDARMANTO, NARTO, Deazy Rachmi TRISATYA, Eko Budi SANTOSO, Dhimas PRAMADANI, Nanda Nur AFNI, Tushliha Ayyuni FARIHA, Gabriel Wiwinda L. TOBING, Wasrin SYAFI’I, Tekat Dwi CAHYONO, Eka NOVRIYANTI, Muhammad BULA, Adik BAHANAWAN, Prabu Satria SEJATI, Nam Hun KIM, Wahyu DWIANTO, Philippe GÉRARDIN

J. Korean Wood Sci. Technol. 2023;51(6):431-446.
https://doi.org/10.5658/WOOD.2023.51.6.431

Samama wood (Anthocephalus macrophyllus (Roxb) Havil) is a fast-growing and lesser-utilized wood species that has inferior properties; therefore, its quality needs to be improved. This research aimed to determine the effect of citric acid impregnation at high curing temperatures on the dimensional stability and mechanical properties of wood. Citric acid solution with 10% concentration (w/w) was impregnated into wood samples by vacuum-pressure method (–0.5 cmHg, 30 min; 0.7 MPa, 3 h), followed by curing process at 140°C, 160°C, and 180°C of...
Original Article

Nov 25, 2023

Improvement of Physical and Drying Properties of Large Diameter and Long Axis Moso Bamboo (Phyllostachys pubescens) Poles Using Heat Treatment

Kyoung-Jung KIM, Young-Jin KIM, Se-Yeong PARK

J. Korean Wood Sci. Technol. 2023;51(6):447-457.
https://doi.org/10.5658/WOOD.2023.51.6.447

This study aimed to convert underutilized moso bamboo into high-value added products such as fences, interior materials, lighting fixtures, and accessories. Green moso bamboo poles with a diameter of approximately 10 cm and a length of approximately 3.7 m were heat treated at 140°C using a large-scale kiln. The processing time was meticulously adjusted through various stages, including pretreatment (6–8 hours at 60°C), cooking (8–10 hours at 100°C), steaming (26–30 hours at 120°C), heating (4–6 hours at 140°C), and finally, coolin...
Original Article

Nov 25, 2023

Text Mining of Wood Science Research Published in Korean and Japanese Journals

Eun-Suk JANG

J. Korean Wood Sci. Technol. 2023;51(6):458-469.
https://doi.org/10.5658/WOOD.2023.51.6.458

Text mining techniques provide valuable insights into research information across various fields. In this study, text mining was used to identify research trends in wood science from 2012 to 2022, with a focus on representative journals published in Korea and Japan. Abstracts from Journal of the Korean Wood Science and Technology (JKWST, 785 articles) and Journal of Wood Science (JWS, 812 articles) obtained from the SCOPUS database were analyzed in terms of the word frequency (specifically, term frequency-inverse document frequency) and co-occu...
Original Article

Nov 25, 2023

Sound Absorption of Natural Fiber Composite from Sugarcane Bagasse and Coffee Silver Skin

Wachara KALASEE, Putipong LAKACHAIWORAKUN, Visit EAKVANICH, Panya DANGWILAILUX

J. Korean Wood Sci. Technol. 2023;51(6):470-480.
https://doi.org/10.5658/WOOD.2023.51.6.470

This study aimed to develop a sound-absorbing composite using sugarcane bagasse (SB) and coffee silver skin (CS) as raw materials. The composite boards were manufactured by bonding the fibers with Melamine Urea-Formaldehyde adhesive, ensuring a consistent thickness of 30 mm. Various densities were employed, namely 380, 450, and 520 kg/m3. The samples were fabricated with different fiber ratios, including SB100%, SB75% with CS25%, and SB50% with CS50%. The sound absorption coefficient (SAC) and noise reduction coefficient (NRC) were measured usi...
Original Article

Nov 25, 2023

Natural Dye Extraction from Merbau (Intsia bijuga) Sawdust: Optimization of Solid–Solvent Ratio and Temperature

Aswati MINDARYANI, Ali SULTON, Felix Arie SETIAWAN, Edia RAHAYUNINGSIH

J. Korean Wood Sci. Technol. 2023;51(6):481-492.
https://doi.org/10.5658/WOOD.2023.51.6.481

The ecofriendly lifestyle has attracted considerable support for sustainable development. Natural dyes, as sustainable products, have become a research focus and development area for many scientists. Ecofriendly processing also supports circular sustainable development. This study effectively obtained tannins as a natural dye from merbau (Intsia bijuga) sawdust using water as an ecofriendly solvent. Merbau sawdust is an underutilized industrial waste. Temperature and solid–solvent ratio variations were performed to extract tannins from merbau...
Original Article

Nov 25, 2023

Effects of Pretreatment for Controlling Internal Water Transport Direction on Moisture Content Profile and Drying Defects in Large-Cross-Section Red Pine Round Timber during Kiln Drying

Bat-Uchral BATJARGAL, Taekyeong LEE, Myungsik CHO, Chang-Jin LEE, Hwanmyeong YEO

J. Korean Wood Sci. Technol. 2023;51(6):493-508.
https://doi.org/10.5658/WOOD.2023.51.6.493

Round timber materials of 600 mm length, cut from large-cross-section round timber of red pine (Pinus densiflora S. et Z.) of 450 mm width and 4.2 m length, were prepared as the target of kiln drying in this study. After treating the target materials through end sealing (ES), end sealing - kerfing (ES-K), lateral sealing - end sealing - boring (LS-ES-B), or lateral sealing - partial end sealing (LS-PES), the effects of the treatment on the incidence of drying defects were determined. The target materials with exposed lateral surface and sealed ...
Original Article

Nov 25, 2023

Evolution of the Hanji-making Technology, from Ancient Times to the Present

Oh-Kyu LEE, Seokju KIM, Hyung Won LEE

J. Korean Wood Sci. Technol. 2023;51(6):509-525.
https://doi.org/10.5658/WOOD.2023.51.6.509

This study has delved into the evolution of Hanji-manufacturing molds and techniques from ancient times to the present, aiming to uncover the current state of traditional Hanji-making techniques. In the absence of records on Hanji-making, various ancient documents, rare books, and documents during the Japanese occupation period, among other artifacts and relics, were analyzed in this study. It was discovered that a sudden significant transformation occurred in the Hanji field during the Japanese occupation period. Soda ash and caustic soda were...
Original Article

Nov 25, 2023

Flexural Behavior of Laminated Wood Beams Strengthened with Novel Hybrid Composite Systems: An Experimental Study

Mehmet Faruk OZDEMIR, Muslum Murat MARAS, Hasan Basri YURTSEVEN

J. Korean Wood Sci. Technol. 2023;51(6):526-541.
https://doi.org/10.5658/WOOD.2023.51.6.526

Wooden structures are widely used, particularly in earthquake zones, owing to their light weight, ease of application, and resistance to the external environment. In this study, we aimed to improve the mechanical properties of laminated timber beams using novel hybrid systems [carbon-fiber-reinforced polymer (CFRP) and wire rope]. Within the scope of this study, it is expected that using wood, which is an environmentally friendly and sustainable building element, will be more economical and safe than the reinforced concrete and steel elements c...
Original Article

Nov 25, 2023

Physicomechanical Properties Enhancement of Fast-Growing Wood Impregnated with Wood Vinegar Animal Adhesive

Efrida BASRI, SAEFUDIN, Mahdi MUBAROK, Wayan DARMAWAN, Jamal BALFAS, Yelin ADALINA, Yusuf Sudo HADI

J. Korean Wood Sci. Technol. 2023;51(6):542-554.
https://doi.org/10.5658/WOOD.2023.51.6.542

This study is a continuation of our previous work, which focused on the resistance of jabon wood to termites after impregnation with wood vinegar (WV) and animal-based adhesive (kak). This paper presents the physicomechanical properties of fast-growing jabon wood impregnated with kak at two concentrations (8% and 10%) in wood vinegar or water as a solvent with and without 4% borax. The physical properties of the impregnation solution, that is, viscosity, density, pH, and solid content, were evaluated according to SNI 06-4567-1998. Some physical...
Original Article

Nov 25, 2023

A Study on the Diffusion Strategies of Wood Culture Using Analytic Hierarchy Process (AHP)

Jiyoon YANG, Myungsun YANG, Yeonjung HAN, Myungkil KIM, Won Joung HWANG

J. Korean Wood Sci. Technol. 2023;51(6):555-568.
https://doi.org/10.5658/WOOD.2023.51.6.555

The diffusion strategies of wood culture were established using the analytic hierarchy process, to prepare a diffusion plan of wood culture and wood utilization in response to climate change due to global warming. ‘Standardization of wood culture’, ‘Valuation of wood culture’, and ‘Habituation of wood culture’ were set as three major implementation strategies and priorities were evaluated. As a result, it was analyzed in the following order: ‘Development of systematic education programs for each age group for rational and efficien...

CURRENT ISSUE: Nov 2023, Vol. 51, No. 6

Original Article Dimensional Stability and Mechanical Properties of Citric Acid Impregnated Samama Wood (Anthocephalus macrophyllus (Roxb) Havil) at High Curing Temperatures Sarah AUGUSTINA, Sari Delviana MARBUN, SUDARMANTO, NARTO, Deazy Rachmi TRISATYA, Eko Budi SANTOSO, Dhimas PRAMADANI, Nanda Nur AFNI, Tushliha Ayyuni FARIHA, Gabriel Wiwinda L. TOBING, Wasrin SYAFI’I, Tekat Dwi CAHYONO, Eka NOVRIYANTI, Muhammad BULA, Adik BAHANAWAN, Prabu Satria SEJATI, Nam Hun KIM, Wahyu DWIANTO, Philippe GÉRARDIN J. Korean Wood Sci. Technol. 2023;51(6):431-446. https://doi.org/10.5658/WOOD.2023.51.6.431 HTML PDF PubReader	Original Article Improvement of Physical and Drying Properties of Large Diameter and Long Axis Moso Bamboo (Phyllostachys pubescens) Poles Using Heat Treatment Kyoung-Jung KIM, Young-Jin KIM, Se-Yeong PARK J. Korean Wood Sci. Technol. 2023;51(6):447-457. https://doi.org/10.5658/WOOD.2023.51.6.447 HTML PDF PubReader
Original Article Text Mining of Wood Science Research Published in Korean and Japanese Journals Eun-Suk JANG J. Korean Wood Sci. Technol. 2023;51(6):458-469. https://doi.org/10.5658/WOOD.2023.51.6.458 HTML PDF PubReader	Original Article Sound Absorption of Natural Fiber Composite from Sugarcane Bagasse and Coffee Silver Skin Wachara KALASEE, Putipong LAKACHAIWORAKUN, Visit EAKVANICH, Panya DANGWILAILUX J. Korean Wood Sci. Technol. 2023;51(6):470-480. https://doi.org/10.5658/WOOD.2023.51.6.470 HTML PDF PubReader
Original Article Natural Dye Extraction from Merbau (Intsia bijuga) Sawdust: Optimization of Solid–Solvent Ratio and Temperature Aswati MINDARYANI, Ali SULTON, Felix Arie SETIAWAN, Edia RAHAYUNINGSIH J. Korean Wood Sci. Technol. 2023;51(6):481-492. https://doi.org/10.5658/WOOD.2023.51.6.481 HTML PDF PubReader	Original Article Effects of Pretreatment for Controlling Internal Water Transport Direction on Moisture Content Profile and Drying Defects in Large-Cross-Section Red Pine Round Timber during Kiln Drying Bat-Uchral BATJARGAL, Taekyeong LEE, Myungsik CHO, Chang-Jin LEE, Hwanmyeong YEO J. Korean Wood Sci. Technol. 2023;51(6):493-508. https://doi.org/10.5658/WOOD.2023.51.6.493 HTML PDF PubReader
Original Article Evolution of the Hanji-making Technology, from Ancient Times to the Present Oh-Kyu LEE, Seokju KIM, Hyung Won LEE J. Korean Wood Sci. Technol. 2023;51(6):509-525. https://doi.org/10.5658/WOOD.2023.51.6.509 HTML PDF PubReader	Original Article Flexural Behavior of Laminated Wood Beams Strengthened with Novel Hybrid Composite Systems: An Experimental Study Mehmet Faruk OZDEMIR, Muslum Murat MARAS, Hasan Basri YURTSEVEN J. Korean Wood Sci. Technol. 2023;51(6):526-541. https://doi.org/10.5658/WOOD.2023.51.6.526 HTML PDF PubReader
Original Article Physicomechanical Properties Enhancement of Fast-Growing Wood Impregnated with Wood Vinegar Animal Adhesive Efrida BASRI, SAEFUDIN, Mahdi MUBAROK, Wayan DARMAWAN, Jamal BALFAS, Yelin ADALINA, Yusuf Sudo HADI J. Korean Wood Sci. Technol. 2023;51(6):542-554. https://doi.org/10.5658/WOOD.2023.51.6.542 HTML PDF PubReader	Original Article A Study on the Diffusion Strategies of Wood Culture Using Analytic Hierarchy Process (AHP) Jiyoon YANG, Myungsun YANG, Yeonjung HAN, Myungkil KIM, Won Joung HWANG J. Korean Wood Sci. Technol. 2023;51(6):555-568. https://doi.org/10.5658/WOOD.2023.51.6.555 HTML PDF PubReader

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