Startseite Comparative study of destructive, nondestructive, and numerical procedures for the determination of moisture dependent shear moduli in Scots pine wood
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Comparative study of destructive, nondestructive, and numerical procedures for the determination of moisture dependent shear moduli in Scots pine wood

  • Murat Aydın

    Dr. Murat Aydın, was born in 1981 in Trabzon. He received his BSc degree in Furniture and Decoration Education (2008) and Woodworks Industrial Engineering (2018) at Dumlupınar University. He worked as Interior Designer, Production Planning Supervisor, and Chief of Production in the Architecture, Furniture, and Yacht Interior Production companies, respectively. He received his MSc and PhD degress in the field of Forest Industry Machines and Management (Istanbul University), and Composite Materials Technologies (Düzce University) in 2012 and 2018, respectively. He has been working as Assistant Prof. at the Isparta University of Applied Sciences.

     EMAIL logo     und Hasan Hüseyin Ciritcioğlu

    Dr. Hasan Hüseyin Ciritcioğlu, was born in 1975 in Ankara. He received his BSc and MSc degrees in Woodworks Industrial Engineering at Hacettepe University in 1998 and 2001, respectively. He worked as Engineer for various public and private firms. He started his academic career as Research Assistant at Hacettepe University. He received his PhD in the field of Industry Engineering at Gazi Universtiy in 2009. He worked (2014-2015) at Ryerson University as a visiting scholar. He has been working as Assistant Professor in the Woodworking Industrial Engineering Department at Düzce University.
Veröffentlicht/Copyright: 30. November 2021
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Materials Testing
Aus der Zeitschrift Materials Testing Band 63 Heft 11

Abstract

In this study, moisture dependent shear moduli in Scots pine (Pinus sylvestris L.) wood were determined by a 45° off-axis (longitudinal, radial, and tangential) compression test and ultrasonic transverse wave propagation. Finite element modeling was performed to ascertain how the results agree with the numerical method. Ultrasonic transverse wave velocities on the LR, LT, and RT planes were decreased from 1347, 1323, and 589 m × s-1 to 1286, 1269, and 561 m × s-1 when relative humidity increased from 45 % to 85 % at a constant temperature of 20 ± 1 °C, respectively. The dynamic and static shear modulus on the LR, LT, and RT planes were decreased from 988, 953, and 189, and 966, 914, and 182 MPa to 927, 903, and 176, and 845, 784, and 154 MPa when relative humidity increased from 45 % to 85 % at a constant temperature of 20 ± 1 °C, respectively. Therefore, both velocity and modulus values at all principal axes and planes were decreased with an increase in moisture. Maximum (15.2 %) and minimum (2.3 %) differences between dynamic and the static shear modulus were observed for GLT at 85 % and GLR at 45 % relative humidity, respectively. Coefficients of determinations between the dynamic and static shear moduli were ranged from 0.68 (GLR at 65 % RH) to 0.97 (GLR at 85 % RH). Finite element analysis, only for 65 % RH values, was performed using Solid 45 element, and, according to results, load-deformation curves created by linear orthotropic material properties, are well-matched with the static curves.

Keywords: Scots pine; off-axis compression test; ultrasonic testing; finite element analysis
Department of Machine Keciborlu Vocational School Isparta University of Applied Sciences Isparta, Turkey

About the authors

Dr. Murat Aydın

Dr. Murat Aydın, was born in 1981 in Trabzon. He received his BSc degree in Furniture and Decoration Education (2008) and Woodworks Industrial Engineering (2018) at Dumlupınar University. He worked as Interior Designer, Production Planning Supervisor, and Chief of Production in the Architecture, Furniture, and Yacht Interior Production companies, respectively. He received his MSc and PhD degress in the field of Forest Industry Machines and Management (Istanbul University), and Composite Materials Technologies (Düzce University) in 2012 and 2018, respectively. He has been working as Assistant Prof. at the Isparta University of Applied Sciences.

Dr. Hasan Hüseyin Ciritcioğlu

Dr. Hasan Hüseyin Ciritcioğlu, was born in 1975 in Ankara. He received his BSc and MSc degrees in Woodworks Industrial Engineering at Hacettepe University in 1998 and 2001, respectively. He worked as Engineer for various public and private firms. He started his academic career as Research Assistant at Hacettepe University. He received his PhD in the field of Industry Engineering at Gazi Universtiy in 2009. He worked (2014-2015) at Ryerson University as a visiting scholar. He has been working as Assistant Professor in the Woodworking Industrial Engineering Department at Düzce University.

Acknowledgement

The authors would like to thank Assoc. Prof. Tuğba Yılmaz Aydın, Süleyman Demirel University and Düzce University. This study is a part of Dissertation supported by the Düzce University Scientific Research Projects Coordinatorship along with project 2016.07.01.501.

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Published Online: 2021-11-30

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Contents
  2. Mechanical testing/materialography
  3. Development and properties of austempered low alloyed white cast iron
  4. Mechanical testing/analysis of physical and chemical properties
  5. Preparation and characterization of polydimethylsiloxane-based composite films
  6. Materialography
  7. Investigation of Cu whisker growth by molecular beam epitaxy
  8. Microstructure adjustment of an asymmetric ceramic membrane with high permeation performance
  9. Materials testing for joining and additive manufacturing applications
  10. Manual metal arc welding of dissimilar 30MnB5 and S 235 low alloyed steels for agricultural applications
  11. Failure analysis of simple overlap bonding joints and numerical investigation of the adhered tip geometry effect on the joint strength
  12. Friction welding of high Cr white cast iron to AISI 1030 steel with Ni interlayer
  13. Mechanical testing/corrosion testing/numerical simulations
  14. Pitting and CO2 corrosion behavior of oil and gas pipeline welds
  15. Component-oriented testing and simulation
  16. Optimal design of aerospace structures using recent meta-heuristic algorithms
  17. Mechanical testing/corrosion testing/wear testing
  18. Corrosion of brass subjected to cast-off cooking oil blended with diesel
  19. Optimization of casting parameters for improved mechanical properties of eggshell reinforced composites
  20. Mechanical testing
  21. Impact behavior of natural rubber based syntactic foam core sandwich structures
  22. Microstructure and mechanical properties of a semi-centrifugal compression processed Al6013 and Cu bimetal
  23. Comparative study of destructive, nondestructive, and numerical procedures for the determination of moisture dependent shear moduli in Scots pine wood
  24. Materials testing for civil engineering applications
  25. Effects of rice husk ash on itself activity and concrete behavior at different preparation temperatures
https://doi.org/10.1515/mt-2021-0041
Schlagwörter für diesen Artikel
Scots pine; off-axis compression test; ultrasonic testing; finite element analysis

Artikel in diesem Heft

  1. Contents
  2. Mechanical testing/materialography
  3. Development and properties of austempered low alloyed white cast iron
  4. Mechanical testing/analysis of physical and chemical properties
  5. Preparation and characterization of polydimethylsiloxane-based composite films
  6. Materialography
  7. Investigation of Cu whisker growth by molecular beam epitaxy
  8. Microstructure adjustment of an asymmetric ceramic membrane with high permeation performance
  9. Materials testing for joining and additive manufacturing applications
  10. Manual metal arc welding of dissimilar 30MnB5 and S 235 low alloyed steels for agricultural applications
  11. Failure analysis of simple overlap bonding joints and numerical investigation of the adhered tip geometry effect on the joint strength
  12. Friction welding of high Cr white cast iron to AISI 1030 steel with Ni interlayer
  13. Mechanical testing/corrosion testing/numerical simulations
  14. Pitting and CO2 corrosion behavior of oil and gas pipeline welds
  15. Component-oriented testing and simulation
  16. Optimal design of aerospace structures using recent meta-heuristic algorithms
  17. Mechanical testing/corrosion testing/wear testing
  18. Corrosion of brass subjected to cast-off cooking oil blended with diesel
  19. Optimization of casting parameters for improved mechanical properties of eggshell reinforced composites
  20. Mechanical testing
  21. Impact behavior of natural rubber based syntactic foam core sandwich structures
  22. Microstructure and mechanical properties of a semi-centrifugal compression processed Al6013 and Cu bimetal
  23. Comparative study of destructive, nondestructive, and numerical procedures for the determination of moisture dependent shear moduli in Scots pine wood
  24. Materials testing for civil engineering applications
  25. Effects of rice husk ash on itself activity and concrete behavior at different preparation temperatures
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