Volume 39 (2024-2025)
Volume 38 (2023-2024)
Volume 37 (2022-2023)
Volume 36 (2021-2022)
Volume 35 (2020-2021)
Volume 34 (2019-2020)
Volume 33 (2018-2019)
Volume 32 (2017-2018)
Volume 31 (2016-2017)
Volume 30 (2015-2016)
Volume 29 (2014-2015)
Volume 28 (2013-2014)
Volume 27 (2012-2013)
Volume 26 (2011-2012)
Volume 25 (2010-2011)
Volume 24 (2009-2010)
Volume 23 (2008-2009)
Volume 22 (2007-2008)
Volume 21 (2006-2007)
Volume 20 (2005-2006)
Volume 19 (2004-2005)
Volume 18 (2003-2004)
Volume 17 (2002-2003)
Volume 16 (2002-2003)
Volume 15 (2001-2002)
Volume 14 (2001-2002)
Volume 13 (2001)
Volume 12 (2000-2001)
Volume 11 (2000-2001)
Volume 10 (2000-2001)
Volume 9 (2000)
Volume 8 (1999)
Volume 7 (1999)
Volume 6 (1998)
Volume 5 (1998)
Volume 4 (1997)
Volume 3 (1997)
Volume 2 (1996)
Volume 1 (1995)
Physics and Mechanical Wood
Evaluation of the local dynamic modulus of elasticity in wooden tie by the stress wave method

Ebrahim Khosravi; Amir Lashgari; Mehran Roohnia; Ahmad Jahan latibari; Ajang Tajdini

Volume 39, Issue 2 , June 2024, , Pages 133-145

https://doi.org/10.22092/ijwpr.2023.361802.1751

Abstract
  Background and objectives: From the limitations of detecting the amount of useful life remaining in the components of the structures in the conditions of use with acoustic methods is the impossibility of calculating the modulus of elasticity due to the impossibility of removing the part from the structure. ...  Read More

The effect of the bacteria of nano fiber cellulose on the functional properties of cementitious structures

Ali Hasanpoor tichi; Hadi Gholamiyan

Volume 37, Issue 4 , December 2022, , Pages 293-305

https://doi.org/10.22092/ijwpr.2022.358407.1716

Abstract
  In this study , Effect of nano cellulose Fiber gel bacteria as reinforcer on physical, mechanical and morphological properties of composites made of bagasse and cement has been studied. Nano variable factors in three levels (0, 1 and 3 % by weight of cement), the mixing ratio of bagasse as lignocellulosic ...  Read More

Composite wood products
Effect of nano gel wollastonite on physical, mechanical and morphological properties of bagasse-cement composites

ali hasanpoor tichi; Fardad Golbabaei; hadi Ghasemi; mojtaba rezanezhad

Volume 34, Issue 3 , November 2019, , Pages 397-408

https://doi.org/10.22092/ijwpr.2019.126987.1560

Abstract
  In this study, the effect of nano gel wollastonite on physical, mechanical and morphological properties of composites made of bagasse and cement has been investigated. The mixing ratio of bagasse as lignocellulosic material with Portland cement at three levels (15:85, 25: 75 and 35: 65%) and nano-wollastonite ...  Read More

Physics and Mechanical Wood
Thermography as a non-Destructive method in evaluation of wood density for Oak and Beech

Parastoo Majdabadifarahani; Mehran Roohnia; amir lashgari

Volume 34, Issue 1 , April 2019, , Pages 89-99

https://doi.org/10.22092/ijwpr.2019.124574.1511

Abstract
  DOR:98.1000/1735-0913.1398.34.87.66.1.1585.1588 This study deals with the possibility of evaluation and estimating the wood density in Quercus castaneifolia and Fagus orientalis. Wood samples were prepared and cut firstly in 4×20×30 cm (thickness×width×length). Then their density ...  Read More

Composite wood products
Investigation on effect of nano gel wollastonite on properties usage of wood-cement composites manufactured from rice straw fibers

Ali Hasanpoor tichi; Behzad Baziyar

Volume 33, Issue 3 , September 2018, , Pages 453-465

https://doi.org/10.22092/ijwpr.2018.120242.1454

Abstract
  In this study the effect of nano gel wollastonite usage in three level (0 , 5 and 10 percent per dry by weight of the cement) and the mixture ratios of lingocellulosic material to cement in three level 10:90, 20:80 and 30:70 on physical, mechanical , microscopic and biological properties of composite ...  Read More

Pulp and paper
The effect of using deinked mixed office waste pulp on the properties of Alkaline Proxide Mechanical Pulp from cotton stalk

Mehrnoosh Tavakoli; saraeyan ahmad reza; hossein resalati; ali ghasemian

Volume 31, SPRING 1 , March 2016, , Pages 48-57

https://doi.org/10.22092/ijwpr.2015.105608

Abstract
  The present study was carried out aiming to investigate the effect of using Deinked Mixed Office Waste Pulp (MOW) on the properties of Alkaline Peroxide Mechanical Pulp (APMP) from cotton stalk.  APMP pulps was prepared using chelating agents such as Na2SiO3 and DTPA (control sample) and without ...  Read More

Investigation on the influence of the density reduction of the particleboard by canola residues on the properties of particleboard

Hanieh Ghasemi; Ahmad Jahan Latibari; Abolfazl Karegarfard; Amir Lashgari

Volume 28, Issue 3 , October 2013, , Pages 463-475

https://doi.org/10.22092/ijwpr.2013.3414

Abstract
  The impact of the addition of different amounts of canola straw to the composition of the hardwood particles for the production of particleboard was investigated. Four levels (0, 15, 30 and 45%) of Canola particles were added to hardwood particles and then particles were blended with 12% urea resin (based ...  Read More

Evaluating the quality of the medium density fiberboard made from kenaf core and stalk

ّFahimeh Shabanalizadeh; Mohammad reza Dehghani firoz abadi; Abolfazl Karegarfard; Mehrab Madhoshi

Volume 28, SPRING 1 , March 2013, , Pages 48-61

https://doi.org/10.22092/ijwpr.2013.3081

Abstract
  Utilization of kenaf core and stalk for the production of medium density fiberboard was investigated. Control boards were produced using poplar wood fibers and compared with kenaf boards. Urea formaldehyde resin was used. Medium density fiberboards were made at two densities of 0.55 and 0.75 g/cm3.  ...  Read More

Study of some Apparent, Anatomical and Physical properties of Divdal ҆s (Ammodendron persicum) wood from Zirkooh-Qhaen

Mohammad hadi Aryaei monfared; Hossein Tavakoli; Hossein Hosseinkhani

Volume 27, WINTER 4 , December 2012, , Pages 664-676

https://doi.org/10.22092/ijwpr.2012.109625

Abstract
  One of the lesser known local woody species of the Zirkooh-Qhaen in the east of Iran is Ammodendron persicum with the traditional name of Divdal. In this study three selected logs were used for study of wood properties. For the first time wood of this desert species was studied from different physical ...  Read More

Physics and anatomy
Investigation of selected physical, biometrical and mechanical properties of Cerasus mahaleb (L.) mill in the middle Zagros forest site

Neda Sakhavati; Moslem Akbari nia; Hoshangh Zanganeh

Volume 27, Issue 2 , June 2012, , Pages 267-274

https://doi.org/10.22092/ijwpr.2012.117066

Abstract
  Cerasus mahaleb (L.) Mill is among the important broad-leaved trees in Zagros forests. Good bending property and the pleasant aroma helped the tree species to find a long history of rural and local uses. Wood consumption is closely influenced by the physical, biometric and other engineering properties. ...  Read More

Papermaking aspects of five common varieties of sugarcane in Iran

Kamyar Salehi; Fardad Golbabaei; Saeed Mahdavi; Abas Fakhryan

Volume 27, Issue 1 , March 2012, , Pages 114-128

https://doi.org/10.22092/ijwpr.2012.117095

Abstract
  The characteristics of five common varieties of sugarcane cultivated in the southern Iran, including cp57-614, sp70-1143, cp69-106, cp48-103, and nco310 were evaluated. The characteristics measured were fiber dimension, papermaking coefficients, fiber yield, density and chemical component. cp69-106 revealed ...  Read More

Composite wood products
Prediction mechanical properties of particleboard and analysis the interaction effect of slenderness ratio and resin content, using linear, quadratic and exponential equation

Mohammad Arabi; Mohammad mehdi Faezipoor; Mohammad Layeghi; Ali akbar Enayati

Volume 26, Issue 3 , September 2011, , Pages 511-522

https://doi.org/10.22092/ijwpr.2011.117211

Abstract
  The purpose of this study was to investigate which equation (Linear, Exponential equation and quadratic) can describe exactly the interaction effect of particle size and adhesive percent and predict mechanical properties of particleboard (modulus of rupture, modulus of elasticity and bending strength). ...  Read More

Pulp and paper
Comparative Study On Fiber Dimension, Density And Chemical Components Of Two Varieties Of Rapeseed Straw

saeed mahdavi; masoudreza habibi; Abbas Fakhryan roghani; Kamyar Salehi

Volume 24, Issue 1 , September 2009, , Pages 36-44

https://doi.org/10.22092/ijwpr.2009.117354

Abstract
  Oil seed rape (Brassica napus) planting is increasing as the Iranian Ministry of Agriculture Jehad policy to provide supply of oil food in Iran. The objective of this study is utilization of rapeseed straw as a considerable raw material for paper industry whereas there is shortage of lignocellulosic ...  Read More

Physics and anatomy
THE INVESTIGATION ON ANATOMICAL, CHEMICAL AND PHYSICAL CHARACTERISTICS OF SAXAUL WOOD (HALOXYLON PERSICUM) FROM HARESABAD-E-SABZEVAR

Shamohammad Amiri; Ahmad Jahan latibari

Volume 21, No., 2 , October 2006, , Pages 78-94

https://doi.org/10.22092/ijwpr.2006.117596

Abstract
  For the determined of Anatomical, Chemical and Physical characteristics of SAXAUL wood (Haloxylon persicum) from Haresabad-e-Sabzevar research station located in Khorasan-e- Razavi province 4 trees from this specie were selected and cut. Samples transferred to the Chemical laboratory in Alborz-e-Karaj ...  Read More

Composite wood products
THE EFFECTS OF DENSITY AND PRESS TIME ON POPLAR INSULATION PARTICLEBOARD PROPERTIES

Amir Nourbakhsh; Abolfazl Kargarfard

Volume 21, No., 2 , October 2006, , Pages 115-122

https://doi.org/10.22092/ijwpr.2006.117599

Abstract
  In this research utilization of Poplar Insulation particleboard at two different level of density (0.35, 40, 45 and 50gr/cm3) and press time (2, 3 and 4 min) were considered. Based on the DIN standard physical and mechanical properties including MOR, MOE, IB and thickness swelling (after 2 and 24 immersion ...  Read More

Physics and anatomy
INVESTIGATION ON RELATION OF FIBER DIMENSION AND WOOD DENSITY WITH-AGE AND RING WIDTH IN E.CAMALDULENSIS DEHNH

Saeed Mahdavi; Abdolrahman Hosseinzadeh; Hossein Familian; masoudreza habibi

Volume 19, No., 1 , April 2004, , Pages 69-98

https://doi.org/10.22092/ijwpr.2004.117562

Abstract
  Cross sectional disks were cut at breast height from three 17-year-old trees of E.camaldulensis grown in Pasand research station in Mazandaran province. Ring width, wood density, and fiber dimension were measured for each two rings from pith to the bark. Overall average disks, fiber length, fiber width, ...  Read More