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Study on microstructure and formability of laser tailor-welded joints of aluminum alloy thin sheet Yuntao Li1,2,a , Juan Ye1, b, Jinkui Wang3, c, Jishun Song1,2,d and Jian Zhang1,2,e 1School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384,China 2Tianjin Key Laboratory for Photoelectric Display Materials and Devices, Tianjin 300384,China 3TIANJIN MOTOR DIES CO., LTD.
Experimental Material and Method Experimental Materials.
Materials Science and Engineering A, 2000, 280 (3) : 37-49
Journal of Materials Processing Technology, 2000, 99 (1): 145- 153
Materials and Design, 2004, 25: 573 - 577.

Severe plastic deformation leads to producing of ultra-fine grained structures with an average grain size of the order of several hundreds nanometers in the materials, which is the reason of the considerable change of mechanical and physical properties of the materials.
Such materials have a high strength and reasonable plasticity [2].
Experimental materials and methods Iodide zirconium, subjected to double electron-beam remelting, was used as an initial material for the investigations.
Aleksandrov: Bulk nanostructured metallic materials (Akadem kniga, Moskow, 2007)
Bengus: International Journal of Materials Research Vol.98 (2007), p.339

Ductile cast iron has good mechanical properties and is more economical in production compared with many other materials.
Materials Science and Engineering A 413–414 (2005), p.322 [2] Xinqun Yao, Xinfu Shu, Etc.
Journal of Kunming University of Science and Technology Vol.25(2000), p.74 [3] G.F.
[J] Materials Science and Engineering A 413–414 (2005), p.339 [4] Desan Li, Etc.
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Acknowledgements This study was supported by National Nature Science Foundation of China (No.50365002) and Science Foundation of Guangxi Province in China (No.0339012).
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Introduction CuIn1-xGaxSe2 (CIGS) is one of the most important polycrystalline semiconducting materials, used as an absorber in solar cell application.
It is a I-III-VI2 group of semiconducting material with chalcopyrite structure.
It is emerged as a leading material for solar cell with efficiency about 20% [1-3].
Venkatachalam, Experimental and theoretical investigations of structural and optical properties of CIGS thin films, Materials Science and Engineering B 174 (2010) 205-208
Matheswaran, B.Gokul, K.M.Abhirami, R.Sathyamoorthy, Thickness dependent structural and optical properties of In/Te bilayer thin films, Materials Science in Semiconductor Processing 15 (2012) 486–491

Experimental Plant materials.
The samples was deposited in Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan University.
Journal of Essential Oil Research，21 (2009) 105-107
Journal of Tropical Forest Science, 4 (1991) 142-146
Advanced Materials Research, 524-527 (2012) 2083-2086

It is the collection of physics, chemistry, biology and environmental science.
T.Zhu, J.Li, W.J.Liang: Journal of Hazardous Materials. 165(2009), 1258
N.Q.Yan, Z.C.Wu, Y.Shi, T.E.Tan: China Environmental Science. 20 (2000), 136
T.Zhu, W.J.Liang, J.Li, Y.Q.Jin: China Environmental Science. 28(2008), 699
W.J.Liang, J.Li, T.Zhu: Journal of Hazardous Materials. 175(2010), 1090

The wear resistance of materials is influenced by two factors, quenching temperature and the quenching time, which are derived from the factor analysis by setting a specific center.
[7] X.P.ZHao, X.D.Yin, SH.Liu, Journal of Engineering for Thermal Energy and Power Vol. 6,(2010)p.83-87
[9] Chinese Academy of Agricultural Mechanization Sciences, Institute of Technology materials.
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Many physical and mechanical properties of solid materials had great deal to do with the existence of vacancy.
Vacancy of ordinary material could be measured by experimental.
Journal of Chongqing University, 31-12(2008), p 1342 [6] J.
Applied Surface Science. 253 (2007), p. 3779
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Physical and chemical properties of materials depend on crystallite sizes, so the use of ultrafine SiC powders can improve characteristics of ceramics.
Acknowledgments This work was supported in part by the Ministry of Education and Science of the Russian Federation in the framework of State task “Science” (project “Dynamic Synthesis of Nanodisperse Crystalline Phases in Gas–Plasma Systems with Carbon and Nitrogen”, project. no. 7.1659.2011).
Andrievski, Synthesis, structure and properties of nanosized silicon carbide, Reviews on Advanced Materials Science. 22 (2009) 1-20
Li, Synthesis of SiC by silicon and carbon combustion in air, Journal of the European Ceramic Society. 29 (2009) 175-180
Production of Ultradispersed Crystalline Silicon Carbide by Plasmodynamic Synthesis, Journal of Superhard Materials. 35/3 (2013) 137-142.