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WPC is used in the building materials [4,5], auto industry [6], furniture [7], logistics [8], packaging [9] and other industries with growing markets [3, 10, 11].
It is very necessary to consider many process parameters (thermal regulation, material flow rate, screw rotation speed etc.) which directly impact the material (temperature or flow rate changes, mechanical behavior evolution) [13].
The numerical simulation technique allows analyzing the material behavior inside the extruder.
Ghoreishy, Quasi-steady State Finite Element Modelling of Polymer Melt Flow in an Intermeshing Co-rotating Twin Screw Extruder, Iranian Polymer Journal 19 (2), 2010, pp.143-154
Potente, Screw Extrusion: Science and Technology, Hanser Verlag, Munich, 2003, pp. 67-77

One of them is the use of silica content in quartz sand to make raw materials for ceramics, glass, anti-corrosion materials, etc.
Liquid coating is the application of a layer of liquid material (paint) to the surface of the solid material which can protect it from environmental access.
Heating silica quartz powder in the range 25 ̊C - 200 ̊C have shown a decreasing graph which means molecular evaporation of water or impurities that may be trapped in materials .
The geometric of steel plates without silica powder tends to be round and the material is still hydrophilic.
Luo, “Characterization of TEOS/PDMS/HA nanocomposites for application as consolidant/hydrophobic products on sandstones,” Journal of Cultural Heritage 16 (2015) 470–478

The constitutive relation The so-called constitutive relation is refers to the material stress and strain relations
(1) Concrete constitutive relation for nonlinear analysis of reinforced concrete structure has very important influence, concrete materials is the essential characteristic of the inhomogeneity of the material composition, the working mechanism of features: microcracking exist and constitute a large macroscopic crack, macroscopic crack continue to develop, which eventually led to the destruction of concrete structure, concrete and mortar using multiple linear and so on to strengthen (MISO) constitutive relation, poisson’s ratio take 0.2
Due to the three kinds of materials in the elastic stage have a common linear relation, make simulation value with the test value is very close
In Chinese [2] Write by Neijian Guo,Wanghan Bin.Experimental study of high strength stainless steel wire mesh - permeability polymer mortar flexural strengthening [J].Journal of Building Structures,2005.
Sichuan Building Science, 2007.

Mena2, b* 1Department of Engineering Science, University of the Philippines – Los Baños, Philippines 2Department of Metallurgical, Mining and Materials Engineering, University of the Philippines – Diliman, Philippines afmmulimbayan@gmail.com, blito.mena@nxp.com Keywords: Austenitic stainless steel, cyclic voltammetry, citric acid, hysteresis loop, pitting Abstract.
Introduction Food contact materials (FCMs) include all materials in contact with food.
These can be constructed from a variety of materials and cover those used in handling, processing, transport and storage of food.
Aside from those in contact with solid foods, FCMs also include materials used to contain water and other aqueous solutions that are intended for human consumption such as tap water, juices, soft drinks, etc.
The use of such materials should not cause alteration of food composition that may possibly cause adverse effects on its taste and odor.

Introduction In the power generation industry, various components operate at different service conditions and hence appropriate materials are used for these components [1,2].
Consequently, dissimilar joints are inevitable for linking the components made of different materials; dissimilar metal joints between ferritic and austenitic stainless steels are widely used in steam generators of power plants on boiler and supper heater.
The buttering material used was Inconel-182 electrode.
Park, in: Recent trends in welding Science and technology, edited by S.A.
Mills: The Welding Journal, Vol. 78 (1999), p. 329(s) [7] H.P.

In the articles published by Harder [3], Cen and Maier [4], BEM, together with the fictitious crack model, was used to simulate the fracture behavior in cementitious materials.
Construction and Building Materials, 10(5), 1996, pp. 407-421
Fatigue Fracture Engineering Materials, Structures 15, 1992, pp. 911-928
International Journal of Numerical Methods in Engineering, 33(6), 1992, pp. 1269-1287
International Colloquium on Material Science and Restoration, Chemie-Verlag, Filderstadt, 1983, pp. 181-186

Reactive polyurethane hot melt adhesives is isocyante terminated polyurethane (PU) prepolymer which is synthesized by polyether or polyester polyols and diisocyanate as main raw materials.
In this study, the thermoplastic polyurethane elastomer was synthesized by polyester polyol, isocyanate and chain extender as main raw materials.
Experiental Materials.
[2] Zhongxian Zhan, Changchun Zhu: Chemical Propulsion and Polymer Materials.Vol. 5 - 2 (2007), p.45-48.
[8] Yongchun Chen, Shuxue Zhou: Journal of Colloid and Interface Science, Vol.279-2(2004), p.370-378.朗{TTP}26391 读{TTP}-29701 显{TTP}26174 示{TTP}31034 对{TTP}23545 应{TTP}24212 的{TTP}30340 拉{TTP}25289 丁{TTP}19969 字{TTP}23383 符{TTP}31526 的{TTP}30340 拼{TTP}25340 音{TTP}-26637 字{TTP}23383 典{TTP}20856

The Angular Stretch Bend Test (ASBT) is commonly used for experimental characterization of stretch-bendability of sheet material.
The material used in simulation is H340LAD, and its hardening curve is generated by Eq. 1 and the parameters are listed in Table 1.
In future work AHSS material will be investigated, and advanced material models are needed to achieve reliable plasticity predictions.
Fukumoto, Fracture limits of sheet metals under stretch bending, International Journal of Mechanical Sciences 47 (2005) 1885-1896
García-Lomas, Assessment of the effect of the through-thickness strain / stress gradient on the formability of stretch-bend metal sheets, Materials & Design. 50 (2013) 798-809

Experimental Study on Stress-Strain Relationship of New-Old Concrete Jian Yin 1,2,a, Yi-Jin Li2,b , Xiong Zhang 1,a, Shi-Qiong Zhou 2,b 1 College of Materials Science and Engineering, Tongji University, Shanghai, China 2 School of Civil Engineering and Architectural, Central South University, Changsha, China a csuyj@mail.csu.edu.cn, b csuhpc@163.com Keywords: New-Old concrete; High-Performance Rapid Repair Concrete; stress-strain curve; deformation Abstract.
Therefore the prerequisite of solving the problem is the study of the early mechanical behaviors of the repair materials and that of the new-old concrete after the repair-work.
Materials and Experimental Program Materials.
The materials used in the presented research are described as the following: Cement: Shao Feng 42.5 grades Ordinary Portland Cement (OPC) for HPRRC, Shao Feng 32.5 grades OPC for Ordinary concrete.
Journal of Chongqing Jianzhu University, 32 (5)(2000), pp. 27-3.

High nitrogen steels is regarded as new materials that have excellent performance and promising application, and it is recognized as the one main directions of the development of high quality metallurgical technology [3].
Experiment and results analysis Table 1 Chemical compositions of raw materials (%,w) Material C Si Mn P S Cr Al Fe Ferrochrome 0.3 0.56 0 0.024 0.011 61.77 0 Rest Ferromanganese 0.3 0.30 86.4 0.020 0.020 0 0 Rest SPHC 0.05 0.04 0.18 0.018 0.009 0 0.026 Rest Table 2 Chemical composition range of mixed materials (%,w) Material C Si Mn P S Cr Al Cr17-Mn17.1 0.168 0.234 17.1 0.0200 0.0117 17 0.0137 Cr20-Mn20.1 0.189 0.269 20.1 0.0204 0.0122 20 0.0116 According to the experimental requirement, the amount of molten steel is 300g.
Experimental materials.
Materials are magnesia (purity above 98%) and 3% boric acid.
Journal of Chongqing University(Natural Science Edition) in Chinese, Vol 25,No.5(2002),pp.83~85