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Physics and Mechanical Wood
Study bhavior creep composites made mixes particle board and medium density Fiber Board-Recycled from HDPE waste and effect water fiber board absorption on Composites

Morteza Mostafazadeh mrznaki; Saeid kazemi najafi; Majid Chaharmahali; Reza Hajihassani

Volume 24, Issue 2 , October 2009, , Pages 194-205

https://doi.org/10.22092/ijwpr.2009.117374

Abstract
  In study, the influence of flour content and immersion time in water on the creep behavior of composites made from mixes PB (Particle Board) and MDF (Medium Density Fiber Board) flour and high density polyethylene (HDPE) waste and was investigated. Mixing was done by a twin screw extruder and the sample ...  Read More

Composite wood products
A STUDY ON DENSITY PROFILE OF THREE TYPES OF MEDIUM DENSITY FIBERBAORD (MDF) USED IN IRAN MARKET

Saeid Kazemi najafi; Ali Shalbafan; Majid Charmahali

Volume 20, No., 2 , December 2006, , Pages 285-301

https://doi.org/10.22092/ijwpr.2005.117587

Abstract
  Density profile of three types of medium density fiberboard (MDF) panels used in Iran market was studied through direct method and gradually removing of layer. Modulus of elasticity, bending strength, internal bond, water absorption and thickness swelling were also determined. The results show that the ...  Read More

Composite wood products
THE EFFECTS OF TWO KINDS OF AGRICULTURAL WASTES (WHEAT AND BARELY STRAWS) ON NRC% OF ASPEN PARTICLEBOARDS

Mohammad ali Podinehpoor; Ghanbar Ebrahimi; Mehdi Tajvidi; Majid Chahar mahali; Ali akbar Ramtin

Volume 21, No., 2 , October 2006, , Pages 61-69

https://doi.org/10.22092/ijwpr.2006.117594

Abstract
  In this investigation, the influences of two kinds of agricultural wastes (wheat and barely straws) mixed with Aspen particles were studied for use as insulation boards. Barely and wheat straws were chosen because of their availability. The manufacturing parameters were: a specific gravity of 0.2, 0.4 ...  Read More

Composite wood products
THE EFFECT OF RESIN AMOUNT AND ORIENTATION OF STRAND BOARD ON PHYSICAL AND MECHANICAL PROPERTIES

Aliakbar Ramtin; Kazem Doosthosseini; Behnaz Dadkhah tehrani; Mohammad ali Podinehpoor; Majid Chaharmahali

Volume 21, No., 2 , October 2006, , Pages 70-77

https://doi.org/10.22092/ijwpr.2006.117595

Abstract
  The objective of this research was to characterize the physical and mechanical properties of Aspen OSB made with different percentage of resin as well as in different orientation of strand. Mechanical and physical properties such as bending strength. interlaminated shear strength, water absorption and ...  Read More