Retraction: A RESEARCH ON SURFACE ROUGHNESS OF HEAT TREATED MEDIUM DENSITY FIBERBOARD (MDF)

Year 2017, Volume: 1 Issue: 1, 85 - 92, 30.04.2017

Ferhat Özdemir Seher Yıldırım

https://doi.org/10.32328/turkjforsci.302088

This article was retracted on October 31, 2022. https://dergipark.org.tr/en/pub/turkjforsci/issue/73235/1212074

Abstract

The objective of this study was to investigate the effects of heat treatment on the surface roughness of medium density fiberboard (MDF) panels with 8 mm thickness. Commercially manufactured MDF panels were applied with heat treatment at 170, 190, and 210 oC with 15, 30 and 45 minute in the oven, respectively. The surface roughness of the panels was measured in accordance with ISO 4287. The average roughness (Ra), ten point average roughness value (Rz) and maximum surface roughness (Rmax) were measured by using Marsurf M300 test device with the stylus method. MDF boards with increasing temperature and time have been found to improve the surface roughness. Samples applied heat treatment with 45 min at 210 oC had the smoothest surface with Ra 3.57, Rz 23.28 and Rmax 27.28 μm, respectively. Results revealed that the surface quality of the MDF panels improved with increasing heat treatment and duration.

Keywords

MDF, heat treatment, surface roughness

Retraction: ISIL İŞLEM UYGULANMIŞ ORTA YOĞUNLUKLU LİF LEVHANIN(MDF) YÜZEY PÜRÜZLÜLÜĞÜ ÜZERİNE ARAŞTIRMA

This article was retracted on October 31, 2022. https://dergipark.org.tr/en/pub/turkjforsci/issue/73235/1212074

Abstract

Bu çalışmanın amacı orta yoğunluklu levhanın (MDF) yüzey pürüzlülüğü üzerine ısıl işlemin etkisini araştırmaktır. Ticari olarak üretilen MDF levhalar 170 oC 190 oC ve 210 oC de kurutma fırınında ısıl işlem uygulanmıştır. Isıl işlemin her bir sıcaklık parametresi için 15, 30 ve 45 dakika belirlenmiştir. Levhaların yüzey pürüzlülüğü testleri ISO 4287’ ye göre ölçülmüştür. Test örneklerinin ortalama pürüzlülük (Ra), on nokta pürüzlülük ortalama değeri (Rz) ve en büyük pürüzlülük değeri (Rmax) Marsurf M300 cihazı ile iğne taramalı yöntem ile ölçülmüştür. Sıcaklık ve sürenin artması ile MDF levhalarının yüzey pürüzlülüğünün iyileştiği tespit edilmiştir. 210 oC ve 45 dakika ısıl işlem görmüş levhalar Ra 3.57, Rz 23.28 ve Rmax 27.28 μm değerleri ile en pürüzsüz yüzeye sahip oldukları saptandı. Sonuçlar, sıcaklığın ve sürenin artması ile MDF levhaların yüzey pürüzlülüğünün olumlu etkilendiğini ortaya çıkarmıştır.

Keywords

MDF, ısıl işlem, yüzey pürüzlüğü

References

• 1. Ayrılmıs, N., &Winandy, J. E. (2009). Effects of post heat-treatments on surface characteristics and adhesive bonding performance of medium density fiberboard. Materials and Manufacturing Processes, 24, 594-599.
• 2. Boonstra, M. J. (2008). A two-stage thermal modification of wood. Ph.D. dissertation in cosupervision Ghent University and Universite Henry Poincare – Nancy”, 1. 297 p. ISBN 978-90-5989-210-1.
• 3. Dündar, T., As, N., Korkut, S., &Unsal, Ö. (2008). The effect of boiling time on the surface roughness of rotary-cut veneers from oriental beech (Fagus orientalis L.). J. Mater. Process. Tech., 199, 119-123.
• 4. Gunduz, G., Korkut, S., &Korkut, D.S. (2008). The effects of heat treatment on physical and technological properties and surface roughness of Camiyani Black Pine (Pinus nigra Arn. subsp. pallasiana var. pallasiana) wood. Bioresource Technology, 99, 2275–2280.
• 5. Korkut, D.S.,, Korkut, S., Bekar, İ.,, Budakçi, M .,, Dilik, T., &Çakıcıer, N. (2008). The Effects of Heat Treatment on the Physical Properties and Surface Roughness of Turkish Hazel (Corylus colurna L.) Wood. Int. J. Mol. Sci., 9(9), 1772-1783.
• 6. Korkut. S.. Alma. M.H., &Elyıldırım. Y.K. (2009). The effects of heat treatment on physical and technological properties and surface roughness of European Hophornbeam (Ostrya carpinifolia Scop.) wood. African Journal of Biotechnology, 8(20), 5316-5327
• 7. Nemli, G., Aydin, I., &Zekoviç, E. (2007). Evaluation of some of the properties of particleboard as function of manufacturing parameters. Materials and Design 28 (4), 1169-1176.
• 8. Özkaya. K.. Ilce. C.A.. Burdurlu. E.. &Aslan. S. (2007). The Effect of Potassium Carbonate. Borax and Wolmanit on the Burning Characteristics of Oriented Strandboard (OSB). Construction and Building Materials, 1457-1462.
• 9. Ünsal. Ö.. &Ayrılmış. N.. (2005). Variations in compression strength and surface roughness of heat-treated Turkish river red gum (Eucalyptus camaldulensis) wood. Journal of Wood Science, 51, 405–409.
• 10. Ünsal. Ö.. Candan. Z.. &Korkut. S. (2011). Wettability and roughness characteristics of modified wood boards using a hot-press. Industrial Crops and Products, 34, 1455- 1457.