by Institution Author "Erdil, Yusuf Ziya"
Now showing items 1-20 of 26
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Accelerated weathering performance of wood-plastic composites reinforced with carbon and glass fibre-woven fabrics
Durmaz, Sefa; Erdil, Yusuf Ziya; Özgenç, Özlem (Blackwell Publishing Ltd, 2021)Wood-plastic composites (WPCs) are new generation materials widely used in outdoor conditions; however, the appearance and mechanical properties of WPCs change with exposure to weather. In this study, high-density ... -
Ahşap malzemede zarar yapan Hylotrupes bajulus (L.) ve Trichoferus griseus (F.) (Coleoptera: Cerambycidae) türlerinin ahşabın bazı fiziksel ve mekanik özelliklerine etkileri üzerinde araştırmalar
Bu çalışma 2003–2005 yılları arasında doğa ve laboratuvar koşullarında gerçekleştirilmiştir. Ekonomik anlamda ahşap konstrüksiyonlarda en çok kullanılan, böcekler tarafından zarara uğratılmış ve böcek zararına uğramamış ... -
Bending moment capacity of rectangular mortise and tenon furniture joints
Erdil, Yusuf Ziya; Kasal, A; Eckelman, C A (Forest Products Soc, 2005)This study investigated the effects of wood species, adhesive type, rail width, tenon depth, and tenon length oil bending strength and flexibility of mortise and tenon T-type end to side grain joints. Sugar maple, red oak, ... -
Bending moment capacity of round mortise and tenon furniture joints
Eckelman, C; Haviarova, E; Erdil, Yusuf Ziya; Tankut, Ali Naci; Akçay, Hilal; Denizli Tankut, Nurgül (Forest Products Soc, 2004)Tests were conducted to determine the effect of cross pinning the tenons of round mortise and tenon joints on the bending moment capacity of the joints. Tenon diameters ranged from a nominal 0.6 to 1.0 inches. Cross-pins ... -
Comparison of mechanical properties of solid wood and laminated veneer lumber fabricated from Turkish beech, Scotch pine, and Lombardy poplar
Erdil, Yusuf Ziya; Kasal, Ali; Zhang, Jilei; Efe, Hasan; Dizel, Taner (Forest Products Soc, 2009)Selected mechanical properties of laminated veneer lumber (LVL) prepared from Turkish beech (Fagus orientalis L.), Scotch pine (Pinus sylvestris L.), and Lombardy poplar (Populus nigra) veneers bonded with polyvinyl acetate ... -
Design and construction of school work tables for developing countries
Erdil, Yusuf Ziya; Eckelman, Carl; Haviarova, Eva (Forest Products Soc, 2009)Cyclic tests were conducted to determine the strength and durability of two types of school work tables designed for use in developing countries which were constructed with round mortise and tenon joints. The frames were ... -
The effect of zinc oxide nanoparticles on the weathering performance of wood-plastic composites
Durmaz, Sefa; Keleş, Özlem Özgenç; Aras, Uğur; Erdil, Yusuf Ziya; Mengeloğlu, Fatih (John Wiley and Sons Inc, 2022)In recent years, wood-plastic composites (WPCs) have become among the most popular engineering materials. Most of their usage areas are outdoors, where they encounter various damaging factors. The weathering conditions ... -
Effects of cross-sectional shape on the bending strength in furniture joints
Acar, Mehmet; Diler, Harun; Erdil, Yusuf Ziya (Kastamonu Univ, Orman Fak, 2018)Aim of the study: Tests were carried out to evaluate the ultimate bending strength of the circular and square cross sectioned furniture joint members and find out whether the form factor is applicable to the small specimens ... -
Estimation equations for moment resistances of L-type screw corner joints in case goods furniture
Kasal, Ali; Erdil, Yusuf Ziya; Zhang, Jilei; Efe, Hasan; Avcı, Erkan (Forest Products Soc, 2008)The effects of the number of screws and screw sizes on bending moment resistance of L-type furniture corner joints constructed of particleboard (PB) and medium density fiberboard (MDF) with resin Surfacing were investigated ... -
Exploratory study of small timber trusses constructed with through-bolt and cross-pipe heel connectors
Eckelman, C. A.; Haviarova, E.; Erdil, Yusuf Ziya (Forest Products Soc, 2007)Throughout the world, there is a need for simple, strong, yet inexpensive connectors that can be used to fabricate trusses from natural small-diameter tree stems as well as squared stems without extensive premachining of ... -
Improvement of technological properties of wood plastic composites reinforced with glass and carbon fibre fabric
Durmaz, Sefa; Erdil, Yusuf Ziya; Avcı, Erkan (SAGE Publications Ltd, 2021)In this study, HDPE-based flat-pressed WPCs were reinforced with glass fibre and carbon fibre woven fabrics, which could be used where high strength and stiffness are required. The effect of reinforcement on some physical, ... -
LOWER TOLERANCE LIMIT APPROACH TO EQUATION-BASED RATIONAL DESIGN VALUES FOR L-SHAPED MORTISE AND TENON JOINTS
Eckelman, C. A.; Haviarova, E.; Kasal, Ali; Erdil, Yusuf Ziya (Soc Wood Sci Technol, 2017)Statistical lower tolerance limits (LTLs) were computed for the ratios obtained by dividing the test values for 360 L-shaped rectangular mortise and tenon joints consisting of 72 different configurations of five specimens ... -
Moment resistance of multiscrew L-type corner joints
Zhang, JL; Efe, H; Erdil, Yusuf Ziya; Kasal, Ali; Han, NL (Forest Products Soc, 2005)This study investigated the effects of screw diameter and length, loading, board material, board surface condition, and gluing, on moment resistances of three-screw L-type corner joints. Wood-based composite panels utilized ... -
Montaja hazır koltuk iskeletlerinin mukavemetinin sonlu elemanlar analizi ile belirlenmesi
Kasal, Ali; Efe, Hasan; Erdil, Yusuf Ziya (2007)Bu çalışmada, ağaç ve ağaç esaslı (kompozit) malzemelerden tutkalsız-vidalı (demonte) olarak üretilmiş koltuk iskeletlerinin mukavemet özellikleri araştırılmıştır. Ayrıca, koltuk yan düzlem çerçevesinde, ara kayıtın yeri ... -
Numerical Analyses of Various Sizes of Mortise and Tenon Furniture Joints
Kasal, Ali; Smardzewski, Jerzy; Kuşkun, Tolga; Erdil, Yusuf Ziya (North Carolina State Univ Dept Wood & Paper Sci, 2016)This study reports the moment resistance, stiffness, and numerical analysis of various sizes of round-end mortise and tenon joints. L-shaped and T-shaped specimens were constructed. Joints were manufactured using three ... -
RELATIONSHIP BETWEEN STATIC AND CYCLIC FRONT TO BACK LOAD CAPACITY OF WOODEN CHAIRS, AND EVALUATION OF THE STRENGTH VALUES ACCORDING TO ACCEPTABLE DESIGN VALUES
Kuşkun, Tolga; Kasal, Ali; Haviarova, Eva; Kılıç, Halil; Uysal, Mesut; Erdil, Yusuf Ziya (Soc Wood Sci Technol, 2018)Tests were carried out to investigate the relationship between static and cyclic strength of wooden chairs. Furthermore, cyclic front to back load performance of chairs were compared with acceptable design loads that were ... -
School chairs for developing countries: Designing for strength and durability, simplicity, and ease of construction
Eckelman, CA; Erdil, Yusuf Ziya; Haviarova, E (Forest Products Soc, 2003)Persistent shortages of school furniture pose serious educational problems in underdeveloped and developing countries. Research has shown that strong durable school furniture can be produced with simple tools and production ... -
Shear force and bending moment capacities of joints constructed with glued corner blocks
Kasal, Ali; Erdil, Yusuf Ziya; Eckelman, C. A. (Forest Products Soc, 2006)Tests were carried out to determine the ultimate shear and bending moment capacities of glued corner blocks under controlled laboratory conditions. Yellow-poplar and sweetgum were utilized in constructing the joint specimens, ... -
Shear Force Capacities of H-Type Furniture Joints Constructed of Various Heat-Treated Wood Species
Acar, Mehmet; Balıkçı, Engin; Kuşkun, Tolga; Kasal, Ali; Erdil, Yusuf Ziya (ZAGREB UNIV, 2023)The aim of this study was to investigate the effect of wood species, heat treatment, adhesive type and joint technique on shear force capacity of H-type furniture joints. For this purpose, an experimental design that ... -
Strength Classification of Wooden Chairs under Cyclic Loads Based on an Experimental Study
Diler, Harun; Kasal, Ali; Kuşkun, Tolga; Erdil, Yusuf Ziya; Güray, Ersan (Multidisciplinary Digital Publishing Institute (MDPI), 2023)This study aimed to assess the cyclic load capacity of wooden chairs and subsequently categorize them based on their performance. A diverse selection of chair models was randomly procured from commercial markets. These ...