Murat Ozalp

Kütahya Dumlupınar Üniversitesi

In this study, effects of heat treatment on bending strength, compression strength, chemical compound and solubility of Black pine wood (Pinus nigra J.F. var. seneriana) was examined. For this purpose, Black pine wood samples were kept in temperature of 250°C for 2 hours. Test results of heat-treated Black pine wood and control samples indicated th...

z Bu çalışmada, Türkiye keresteciliğinde önemli kullanım alanına sahip iki tür olan Sarıçam (Pinus sylvestris L.) ve Doğu Kayını (Fagus orientalis L.) ağaçlarının diri odunları ve Tropik ağaç türü olan Tali (Erythrophleum suaveolens), Teak (Tectona grandis) ve Mkuruti (Baphia kirkii) ağaç türlerinin odunları kullanılmıştır. Bu odun türlerinin fizik...

It was found that that the addition of Alfa-x to the adhesive mixture used on the plywood slightly decreased strength properties of plywood that is bonded using this resin  It was concluded that, since formaldehyde emissions hold a significant importance for human health, Alfa-x, which decrease the levels of this emission Graphical Abstract Kontrp...

Öz Masif ağaç malzemenin binlerce kullanım alanlarından biri de oyuncak sektörüdür. Üretimde yenilenebilir, doğal ve insan sağlığı açısından zararsız materyallerin kullanımı günümüzde artan bir değer kazanmıştır. Dünyada önemli bir pazar oluşturan ahşap oyuncak üretiminde ülkeler arasında kıyasıya bir rekabet söz konusudur. Türkiye'nin son 5 yılda...

This study was performed for the purpose of determining the technological properties of Scotch pine (Pinus sylvestris Lipsky) and Eastern beech (Fagus orientalis Lipsky) woods impregnated with Alpha-X chemicals. The impregnation solution was prepared at 10 % and 20 % concentrations. Alfa-X, a flame-retardant chemical formerly applied to textiles an...

This study was performed to determine some mechanical and physical properties of Black Pine (Pinus nigra) and Larex Wood (Larix decidua) impregnated with olive oil and Korasit under open-air conditions. Olive oil is a water repellent impregnate and Korasit- KS is a protective impregnate. Samples were taken from sapwood locations of tree species and...

In this study, a different amount of aluminium sulphate is added into polyurethane varnish, which is used for upper surface treatments of wood materials. The pre-prepared polyurethane varnish is implemented on upper surfaces of beech wood (Fagus orientalis L.) and scotch pine (Pinus sylvestris L.) for wood materials. After that toughness, brightnes...

In this study, we investigated the effects of heat treatment on bending strength and compression strength of anatolian black pine (Pinus nigra J. F. var. seneriana). For this purpose, black pine wood samples used in the study were kept in temperature of 250 °C for 2 hours. The test results of heat-treated black pine wood and control samples showed...

In this study, a different amount of aluminium sulphate is added into polyurethane varnish, which is used for upper surface treatments of wood materials. The pre-prepared polyurethane varnish is implemented on upper surfaces of beech wood (Fagus orientalis L.) and scotch pine (Pinus sylvestris) for wood materials. After that toughness, brightness a...

In this study, the effects of the heat treatment applied varnished wood materials on hardness, brightness and varnishes’ surface sticking resistance were investigated. For this purpose, firstly Pinus Sylvestris L., Fagus Orientalis L. and Castanea Sativa M. wooden samples were varnished by the water based varnish and after that they were kept in te...

Bu çalışmada ısıl işlemin MDF’nin yüzeye dik yönde çekme ve yüzeye dik yönde vida tutma direnci ile yüzey pürüzlülüğüne etkisi araştırılmıştır. Piyasadan temin edilen MDF örnekleri 120 oC, 150 oC ve 180 oC’lerde 2, 4 ve 6 saat süreyle ısıl işleme tabi tutulmuştur. Sıcaklık ve sürenin artmasıyla birlikte yüzeye dik yönde vida tutma direnci ve yüzeye...

In the present study, the effects of adding the aluminum sulfate to the urea-formaldehyde (UF) adhesive, on the bonding characteristics and free formaldehyde content, have been studied. Experiments were conducted on the three layered plywood of ekaba (Tetraberlinia bifoliolata) and poplar (Populus x eureamericana), prepared by adding aluminum sulfa...

In the present study, the effect of adding the powder of waste PET (polyethylene terephthalate) bottles and borax pentahydrate in equal amounts to the urea-formaldehyde (UF) adhesive on the bonding characteristics and free formaldehyde content was studied. Experiments were conducted on three layered plywood of beech (Fagus orientalis) and poplar (P...

In this study, a different amount of borax pentahydrate is added into water-based varnish, which is used for upper surface treatments of wooden materials. The pre-prepared water-based varnish is implemented on upper surfaces of Scotch pine (Pinus sylvestris L.) and Chesnut (Castanea sativa M.) woods for wood materials. After that toughness, brightn...

Subject In this study, the effects of borax pentahydrate addition to urea-formaldehyde (UF) on the bonding characteristics and free formaldehyde content were investigated. Experiments related to the bending strength, tensile strength perpendicular to the plane of the board and free formaldehyde content were conducted on fiberboards prepared by the...

In this study, the impregnation materials of Tanalith-C (CCA) and Protim 230 WR were used as preservative and water repellant. Wooden materials were taken from beech and black pine. The samples were made subject to weathering conditions for one year. At the end of this period, changes occurred in the samples' bending strength, compression strength...

Heat treatment is often applied to wood species to improve their dimensional stability. This study examined the effects of heat treatment on certain mechanical properties of laminated beech wood (Fagus orientalis L), which has industrially high usage potential and large plantations in Turkey. Wood specimens obtained from Simav- Kutahya, Turkey. For...

Bu çalışmada, eskitme teknikleri ve nasıl yapıldığı ele alınmıştır. Ayrıca eskitme tekniklerinin ağaç işleri üst yüzey işlemlerinde ne gibi bir yer tuttuğu, ağaç malzemeye nasıl bir görünüm verdiği açıklanmıştır. Eskitme teknikleri günümüzde uygulanan ve ağaç malzemenin değerini artıran görünüş itibari ile ağaç işlerinin daha estetik ve güzel görün...

In this study, the effects of borax pentahydrate addition to urea formaldehyde (UF) on the bonding characteristics and free formaldehyde content have been studied. Experiments related to the bending strength, withdrawal shear strength and free formaldehyde content have been conducted on the three-layered beech and poplar plywood which are prepared...

In this study, laminated Scotch pine samples bonded with polyurethane adhesive were impregnated with water repellent (protim WR230) and preservative (tanalith-C). Non-impregnated and impregnated Scotch pine samples were air-dried by placing them uncovered in a concrete above ground for one year. Bending strength, compression strength, bonding stren...

In the present study, black pine samples laminated with epoxy and polyurethane glues were treated with various wood preservative chemicals and made subject to seawater for one year. The samples were examined from the point of view of physical features such as changes in odor and color as well as their mechanical values in 3-month periods. For this...

In this study, the effects of heat treatment of wooden materials on hardness, brilliance and resistance of stick of varnishes were investigated. For this purpose, firstly Scotch pine (Pinus sylvestris L.) and chestnut (Castanea sativa M.) wooden samples were kept in temperatures of 100, 150 and 200°C for times of 2, 4 and 6 h and after that they we...

In this study, the effects of polivinalacetat (PVAc), ure-formaldehyd (UF), polyuretan (PU) glues and theirmodification with borax on bonding resistance of chestnut (Castenea sativa Mill.) wood in the Agean Regionwere evaluated. For this purpose, the samples prepared from chestnut (Castenea sativa Mill.) woods obtainedfrom Simav in Agean Region wer...

In this study, the effects of heat treatment of 4 kinds particleboards on bending strength, swelling in thickness and screw holding were investigated. For this purpose, firstly particle boards samples were kept in temperatures of 100°C, 120°C and 140°C for time 4 hours and after bending strength, swelling in thickness and screw holding experiments...

In this study, a different amount of borax pentahydrate is added into cellulose bright varnish, which is used for upper surface treatments of wood materials. The pre-prepared varnish cellulose is implemented on upper surfaces of Austrian pine and beech wood for wood materials. After that toughness, brightness and surface sticking resistance experim...

Scotch pine (Pinus sylvestris L.), Austrian black pine (Pinus nigra L.) and Cyprus pine (Pinus brutia L.) specimens were prepared and settled to water return system on water cooling tower. For every 3 months period’s specimens were tested solubility of hot and could water, 1% NaOH, alcohol-benzene and ethyl alcohol values were determined. For the c...

After the discovery of laser in 1958, the developed laser technology has shown a development in many areas(such as medicine, defence industry, communication, data processing, etc.) and also in forest industry which is not developed enough. To attain laser technology is both difficult and expensive. In this study which has the title 'wood carving an...

The aim of this study is to investigate the effectiveness of Wolmanit-CB and Protim WR230 as wood preservatives for water cooling towers. Scotch Pine (Pinus nigra) 2x2x30 cm dimensions specimens were prepared and placed to water return system on water cooling tower and impregned. Duration of exposure to return water of cooling tower was 9 months. S...

In this study was compared that the bending strenght effects in the plywoods made with okume, poplar and beech coatings when used the glues; Polyurethane (PU), Epoxy, Polyvinyl acetate (PVA) and D3. Plywoods are the okume to be 0,6 mm thick in the outer, in its sublayer the poplar to be 0,6 mm thick and in the middle, the beech to be 1,2 mm thick a...