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Introduction Pipeline steel is the most common material used in storage and transportation for oil and gas.
Material and experimental methods The chemical compositions of the steel in this investigation were in table 1.
Table 1 Chemical composition of tested materials (mass fraction/%) Element C Mn Si P S Nb V+Ti+ Mo Cr Fe Content 0.04 1.42 0.20 0.007 0.004 0.03 ≤0.4 0.3 Bal Fig.1 Schematic diagram of specimen for corrosion test Table 2 Mass concentration of ions in the simulation environment Ion species Cl- HCO3- SO42- Ca2+ Mg2+ Na+ Content(mg/L) 15000 600 5450 880 1050 9560 Experimental results and analysis Mechanical properties and microstructure.
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In recent years, the low alloy wear-resistant cast steel, which has higher hardness and enough toughness, is becoming a kind of promising wear-resistant materials.
Acknowledgements Financial supports from the National Nature Science Foundation of China (No. 51261018), the Nature Science Foundation of Inner Mongolia (No. 2012MS0805) and the Innovation Foundation of Inner Mongolia University of Science and Technology (No. 2011NCL037) are gratefully acknowledged.
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To meet the requirements of the project, techniques had to have the ability to deposit many types of materials on many different substrate materials and shapes.
M 3D can deposit a wide assortment of materials, including biological, on a wide array of substrates [3].
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Materials and Methods 1.1 Materials Wool fiber.
Materials Science and Engineering.
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The stacking of these materials forms 2D heterostructures.
Stability of 2D materials.
In short, many predicted 2D materials would corrode, decompose, and segregate under ambient conditions.
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The Influence of Particle Characteristic of Manganese Dioxide on Performance of Spinel Lithium Manganese Oxide Wei Li1,a, Wen-huai Tian1,b and Lu Qi2,c 1Department of Materials Physics and Chemistry, School of Materials Science and Engineering ,University of Science and Technology, Beijing,100083, China 2New Energy Materials and Technology Laboratory, Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871,China aliweisyn@163.com, bwenhuaitian@sina.com, cqilu@pku.edu.cn Keywords: Power Lithium-ion Battery, Spinel Lithium Manganese Oxide, Chemical Manganese Dioxide Abstract.
The initial raw materials are potassium permanganate and manganese sulfate.
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Abstract The study is a preliminary effort which investigates the effect of different sequences of composite materials on the Von Mises stress and stress concentration factor on a simple thin cracked plate.
Two 3D elements are used in our investigation, Solid95 for the isotropic material (aluminum) and layered Solid186 for anisotropic material (composite).
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European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS
International Journal of Integrated Engineering (Issue on Mechanical, Materials and Manufacturing Engineering).

The specifications of the used materials were provided by their manufacturers.
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