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)
Management and Economics wood
Investigating the relationship between investment strategies, resilience and financial knowledge on the production growth of wooden furniture industry in the post-Corona era: Moderating impact of government support

Hamed Ahmadi; Ajang Tajdini; Shademan Pourmousa; amir lashgari; Mehran Roohnia

Articles in Press, Accepted Manuscript, Available Online from 25 September 2024

https://doi.org/10.22092/ijwpr.2024.366558.1777

Abstract
   Background and Objectives: The Covid-19 pandemic caused serious challenges to various industries of wooden products in various aspects such as access to raw material, supply chain, production and sales volume of product and even customer preferences. Therefore, this study aims to investigate ...  Read More

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

Chemical conversion
Effect of fermentation pretreatment and extraction on the acoustic properties of Ash wood (Fraxinus excelsior)

Zahra Daeepour; amir lashgari; Mehran Roohnia; Ahmad Jahan latibari; Vahid Safdari

Volume 39, Issue 1 , March 2024, , Pages 27-40

https://doi.org/10.22092/ijwpr.2023.361567.1750

Abstract
  Background and objectives: Nowadays, the importance of treatments such as water washing and ethanol-acetone washing to improve the acoustic properties of wood has been noticed by the makers of musical instruments. Wood extractives are in the list of those materials that often do not have a construction ...  Read More

Prioritization of factors affecting sustainable supply chain management and performance in Iran wooden furniture industry (Case study: companies producing home and office furniture)

Ahmadreza Arabi; Ajang Tajdini; Shademan Pourmousa; Mohammad Naghi Imani; Amir lashgari

Volume 38, Issue 1 , March 2023, , Pages 1-20

https://doi.org/10.22092/ijwpr.2021.355958.1696

Abstract
        In order to achieve the higher competitive advantage, identifying and prioritizing the various factors of sustainable supply chain management and its relationship with the performance of the companies producing home and office furniture, have been selected as the main purpose ...  Read More

Management and Economics wood
Identifying and prioritizing the components of sustainable production in the corrugated box making industry

Sina Mohamadi Nematabad; Shademan Pourmousa; Ajang Tajdini; Ahmad Jahan latibari; Amir Lashgari

Volume 38, Issue 1 , March 2023, , Pages 21-36

https://doi.org/10.22092/ijwpr.2021.356457.1699

Abstract
  The applied purpose of this study is to determine and prioritize the components of production sustainability in the courrugated box making industry by using qualitative analysis.Through library studies and review of available resources, seven main components affecting the sustainability of production ...  Read More

The feasibility of Utilizing Lignocellulosic Wastes for the Bioethanol Production In Iran:Application of ARIMA Time Series Model

Shahram Badamchizadeh; Ahmad Jahan Latibari; Ajang Tajdini; Shadman Pourmousa; Amir Lashgari

Volume 36, Issue 4 , December 2021, , Pages 340-355

https://doi.org/10.22092/ijwpr.2021.354492.1679

Abstract
  The first step in feasibility study of any national mega projects in energy sector is the investigation on the production potential and evaluate the market demand for the product. The success rate of a biofuel project after forecasting supply and demand depends on choosing the appropriate place to produce. ...  Read More

Physics and Mechanical Wood
Nondestructive evaluation of flexural strength comparing to static bending strength in wood from Pine and Beech

shahrzad omrani ghahjaverstani; amir lashgari; mahran roohnia

Volume 34, Issue 2 , August 2019, , Pages 157-166

https://doi.org/10.22092/ijwpr.2019.125019.1519

Abstract
  Non-destructive tests today play a vital role in human life. Non-destructive evaluation technology is widely used in industries, especially wood based industries and wood based products and has led to advances in Strength grading lumber, determine the disadvantages of wooden materials, Inspection of ...  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

Study of mental and emotional reactions to decoration color Living and working environment..

amir lashgari; seyyedeh zahra hashemi; BABAK RANJBAR

Volume 34, Issue 1 , April 2019, , Pages 134-139

https://doi.org/10.22092/ijwpr.2019.125008.1518

Abstract
  DOR:98.1000/1735-0913.1398.34.134.66.1.1576.1585 Wood is a natural material, human beings have long been in close contact with wood, and psychologically, wooden structures, and any kind of wood-craftsmanship, give people a sense of relaxation. This research was conducted to investigate the relationship ...  Read More

Mechanical conversion of wood and wooden fittings
The impact of truss structure on stiffness by finite element method

Ehsan Ketabi; Amir Lashgari

Volume 32, Issue 1 , April 2017, , Pages 69-82

https://doi.org/10.22092/ijwpr.2017.107116

Abstract
  In this study was to evaluate the impact of the truss structure on stiffness and stress distribution in the truss structural members. Made and synchronizes this structures with any Populus_ Nigra lumbers, in finally made 44 truss structure with 11 varying samples and 4 replicates. were used by two joint ...  Read More

Mechanical conversion of wood and wooden fittings
The effect of the type of chair connection on the stress distribution and structural failure by to finite element method

Soheila Zamaninasab; amir lashgari; azhang tajdini

Volume 32, Issue 1 , April 2017, , Pages 106-117

https://doi.org/10.22092/ijwpr.2017.107127

Abstract
  In this research, resistance and stress concentration on the seat structure were examined by changing the type of connection (tongue and groove connection , and double connection). platanus orientalis used to make wooden chairs. Moreover, we applied Ansys to calculate resistance and mechanical testing ...  Read More

Effect of nanoclay-particles on physical and mechanical properties of composites made of almond shell powder-polypropylene

Amir Lashgari; Ayob Eshghi; Abolfazl Karegarfard; Ajang Tajedini

Volume 28, Issue 4 , January 2014, , Pages 654-671

https://doi.org/10.22092/ijwpr.2014.4442

Abstract
  In this research, the effect of nanoclay-particles on physical and mechanical properties of composites made using almond shell powder-polypropylene was studied. For this purpose, almond shell powder and nanoclay were used in three levels of 30%, 35% and 40% for almond and 0%, 2.5% and 5% for ...  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

withdrawal strength and bending strangth of L -type of nail′s joint in particleboard and MDF joints.

amir lashgari; Payam Khodayari; Seid Ali Mohammadi

Volume 27, WINTER 4 , December 2012, , Pages 676-689

https://doi.org/10.22092/ijwpr.2012.109626

Abstract
  In this research the effect of nail′s length on three different values (32,42,48 mm)the nail  number (2 and 3)and the kind of of  particleboard and MDF on tensile strength and bending moment has been analyzed ,The member dimension of of 10*15*1.6 cm.have been elected for making of L –type ...  Read More

Investigating the bending strength of wooden pin in H-shaped joints in MDF

amir lashgari; Mohssen Ahmadi

Volume 27, Issue 3 , September 2012, , Pages 423-433

https://doi.org/10.22092/ijwpr.2012.116106

Abstract
  Aim of this study were to examine the effects of pin diameter (6, 8 and 10 millimeter), the pins interval ( 30,50 and 70 millimeter), wooden pin penetration depth (2d,3d and 4d D=Diameter of pin) and the shape of H joint on bending strength of the joint. In order to make the H joints, the dimension of ...  Read More

Bending strengh of screwed T-typed furniture joints

amir lashgari; Peyman Sinambari

Volume 27, Issue 3 , September 2012, , Pages 536-544

https://doi.org/10.22092/ijwpr.2012.116171

Abstract
  Effects of screw length (2, 2.5,3 inch), wood species (beech, alder, white spruce), and two screw interval (2, 2/5 cm) on bending strength of the T-type joints were investigated. In order to fabricate the T –shaped joints, dimensions of the parts were determined as 15*5/5*2/5 cm. From  the ...  Read More

Mechanical conversion of wood and wooden fittings
Stress analysis and failure prediction in dowel joint by FEM

amir lashgari

Volume 26, Issue 4 , January 2012, , Pages 708-718

https://doi.org/10.22092/ijwpr.2011.117247

Abstract
  In this study, distribution pattern and tension concentration as well as failure prediction in dowel joint were analyzed. The effect of dowel diameter (6, 8, 10 mm) and wood type (Beech, Alder and white spruce) on tension resistance and bending moment were examined. The dimensions for making T-form joints ...  Read More

Mechanical conversion of wood and wooden fittings
Inestigation on withdrawal strength and moment resistance of mortise and tenon joint

amir lashgari; Ahmad Jahan latibari

Volume 24, Issue 2 , October 2009, , Pages 285-294

https://doi.org/10.22092/ijwpr.2009.117386

Abstract
  The influence withdrawal strength and bending moment of mortise and tenon joint is investigated. Based on vast application of this type of different length of joint, the effect of tenon lengths (20 , 30, 40, mm) and wood type (beech, alder,spruce) These strength properties is investigated. 9 combination ...  Read More