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Introduction In general, the requirements for products using different materials have led to improvements in material science.
A combination of two or more materials that have different properities can make multifunctional composite materials.
Journal of reinforced plastics and composites, 33(13), pp.1258-1275
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In most engineering materials, grain size is an important microstructural feature.
Materials Science and Engineering.
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Study on the microstructure and mechanical Properties of Welding Joints of 7A05 aluminum alloy by FSW Donggao Chen1,2,a, Jinhe Liu1,b, Zhihua Ma2,c, Wulin Yang2,d 1Northwestern Polytechnical University, school of materials science and engineering, ShanXi Xi︐an, 710072, China. 2Ningbo Branch of China Academy of Ordance Science,Zhejiang Ningbo, 315103,China.
Experiment materials and Experiment methods Experiment materials.The welding material used in this experiment is 10mm thickness 7A05 aluminum alloy, experiment plate size is 300mm × 150mm, chemical composition is shown in the tab.1.
References： [1]Zhang Ping,Wnag Weixin,Zhao Junjun：Ordnance Material Science and Engineering Vol27( 2004),p. 38-42, in Chinese
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Journal of Physics: Conference Series 371 (2012)
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Lin 4,e 1 Department of Materials Science and Engineering, National Taiwan University, Taipei, TAIWAN 2 Graduate School of Engineering Technology, Lunghwa University of Science and Technology, Taoyuan, TAIWAN 3 Anli Co.
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Figure.1 Simplified calculation model of slope Table 1 Rock mass physical and mechanical parameters strata elastic modulus poisson ratio cohesion bulk density waste materials 2.8 0.28 1000 1.65 loess 6.8 0.3 2500 1.8 mud-sandstone 44 0.18 10000 2.12 weak layer 0.3 0.27 200 2 coal 9.8 0.25 3000 1.5 fault 0.2 0.28 100 1.9 The establishment and calculation of ANSYS model.
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Acknowledgements This work was financially supported by the Anhui Provincial Key Science Research Project in Colleges and Universities (KJ2009A158)；the Science Foundation of Hefei University (08RC14).
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The method provides a reference for Multiaxial EDM precision design Introduction EDM can be used to process any electrically conductive material without regard to the hardness of the material, so they have been widely used in the processing of the fine holes.
Acknowledgment Natural Science Foundation of Beijing, Grant No. 3122005,KZ201410005010, Important National Science & Technology Specific Projects of China, Grant No. 2012ZX04010021-001-004 References [1] Sutton G P.
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There are various ways of expression, including land planning, plane layout, architectural structure and materials.
Along with the development of science and technology, new construction materials and technologies appear one after another.
Therefore, we should design such modern office buildings on which new materials and technologies apply and conform to the characteristics of the current age.
Various new materials and high technologies have been applied on office buildings, bringing modern feelings to them.
References [1] Qifan Xu: submitted to Journal of Materials Research Chinese Collective Economy (2007) [2] Shihe Tian: submitted to Journal of Materials Research Development of Scientific Intelligence and Economy (2009) [3] Guanchao Liang: submitted to Journal of Materials Research Information of Science and Technologies (2010) [4] Min Qin: submitted to Journal of Materials Research Industrial Design (2011) [5] Nan Huang, Jia You, Qingdong Huang: submitted to Journal of Materials Research Theoretic Research on Urban Construction (2012)