An experimental investigation on surface quality and water absorption of extruded wood–plastic composite

2011 ◽  
Vol 26 (5) ◽  
pp. 680-698 ◽  
Author(s):  
E Soury ◽  
AH Behravesh ◽  
N Jafarian Jam ◽  
A Haghtalab
Keyword(s):  
Experimental Investigation ◽  
Water Absorption ◽  
Surface Quality ◽  
Wood Plastic Composite ◽  
Plastic Composite

Effect of press force in tensile strength and surface quality of press formed wood plastic composite products

2019 ◽  
Author(s):  
Sami Matthews ◽  
Amir Toghyani ◽  
Panu Tanninen ◽  
Marko Hyvärinen ◽  
Ville Leminen ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Surface Quality ◽  
Wood Plastic Composite ◽  
Plastic Composite

Research on Surface Quality Enhancement of Wood-Plastic Composite Powder SLS Parts by Post Processing

2010 ◽  
Vol 113-116 ◽  
pp. 508-511 ◽  
Author(s):  
Wei Liang Zeng ◽  
Yan Ling Guo
Keyword(s):  
Surface Quality ◽  
Low Cost ◽  
Selective Laser Sintering ◽  
Laser Sintering ◽  
Wood Plastic Composite ◽  
Post Processing ◽  
Plastic Composite ◽  
Rp Process ◽  
Sintering Properties

According to its advantages, such as low-cost and green biological etc., Wood-Plastic Composite(WPC) is more suitable for make parts by Selective Laser Sintering(SLS) rapid prototyping (RP) process. With optimal design of components, the parts made by WPC have good mechanical properties as well as with good laser sintering properties. In order to further improve the surface quality of the parts, the post-processing–infiltrating with wax–is introduced. After post-processing, the void fraction is decreased from 51% to 7%, surface quality has been greatly improved, Ra belows 13µm on average, after polishing the surface is more smooth and Ra belows 5µm averagely，compared to those without post processing, surface roughness decrease 22% and 73% respectively.

Study of Surface Quality and Mechanical Properties of Composite Material Based on Natural Reinforcement

2016 ◽  
Vol 821 ◽  
pp. 471-478
Author(s):  
Zuzana Hutyrová ◽  
Dušan Mitaľ ◽  
Marta Harničárová ◽  
Jozef Zajac ◽  
Jan Valíček
Keyword(s):  
Mechanical Properties ◽  
Composite Material ◽  
Tensile Test ◽  
Surface Quality ◽  
Bending Test ◽  
Wood Plastic Composite ◽  
Radiographic Method ◽  
Plastic Composite

This paper presents problem of the examination of the inhomogeneity of composite material on the base of wood plastic composite. It deals with evaluation of mechanical properties after tensile test and triax-bending test of a composite were assessed in relation to images acquired from radiographic method – metrotomography (using radiographic method which has an explanatory value in terms of evaluation of volume defects and in a figurative sense, also of the conduct of cracks on the surface after machining).

scholarly journals Surface Quality of Wood Plastic Composites as Function of Water Exposure

2020 ◽  
Vol 10 (15) ◽  
pp. 5122
Author(s):  
Cagatay Tasdemir ◽  
Ibrahim Halil Basboga ◽  
Salim Hiziroglu
Keyword(s):  
Surface Quality ◽  
Juniperus Virginiana ◽  
Wood Plastic Composite ◽  
Eastern Redcedar ◽  
Average Roughness ◽  
Water Exposure ◽  
Plastic Composite ◽  
Nano Clay ◽  
Dry Conditions

The objective of this study was to evaluate the surface quality of experimentally manufactured wood plastic composite (WPC) samples exposed to water soaking. Eastern redcedar (Juniperus virginiana L.), which is one of the invasive species in Oklahoma, USA, and recycled plastic were used to manufacture WPC samples. Three types of samples, namely with 0%, 3% and 6% nano-clay were soaked in water for up to one month. Stylus-type equipment was employed to evaluate their surface roughness as a function of water exposure. Two accepted roughness parameters, average roughness (Ra) and mean peak-to-valley (Rz), were used to determine changes in the surface quality of the specimens due to water exposure. Average roughness values of 1.5 µm and 4.1 µm were determined for the samples with no clay in dry conditions and those soaked for one month in water, respectively. Corresponding values were lower in the case of those with clay in their content. Based on the findings in this work, it appears that the stylus technique can be successfully applied to such samples to quantitatively evaluate their surface quality when they are exposed to water for an extended time span. It is expected that data from this work could help to produce a better understanding of the behavior of WPCs under environmental conditions.

Determination and Comparison of Material Properties of Commercial Wood-Plastic Composite Products

2014 ◽  
Vol 1051 ◽  
pp. 242-249
Author(s):  
Marko Hyvärinen ◽  
Juho Paajanen ◽  
Timo Kärki
Keyword(s):  
Impact Strength ◽  
Water Absorption ◽  
Material Properties ◽  
Accelerated Weathering ◽  
Wood Plastic Composite ◽  
Thickness Swelling ◽  
Wood Plastic Composites ◽  
Artificial Weathering ◽  
Plastic Composite ◽  
Plastic Composites

Outdoor applications of wood-plastic composites (WPCs) have raised question about the durability of such materials. WPCs are vulnerable to weathering factors such as UV radiation, moisture and freeze-thaw action. Weathering can cause discoloration, chalking, dimensional changes and loss of mechanical properties.This comparative study examines the effects of increased moisture content and artificial weathering on the properties of wood-plastic composites. Five commercial wood-plastic composite products from five different manufacturers were chosen and their water absorption, thickness swelling, impact strength and resistance to artificial weathering analyzed. An in-house manufactured wood-polypropylene composite with carbon black pigment was used as a reference product. In addition to quantitative investigation of material properties, the measured values were also compared with the values ​​reported by the manufacturers.The composite samples were exposed to accelerated weathering in a xenon weathering chamber for 500 hours. The color change was estimated by spectrophotometer method. The weathering resulted in no significant color fading of the composites. After weathering, the general trend was a minor decrease in impact strength. Also the water absorption and thickness swelling of commercial WPC products remained on a low level.

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