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Microstructure Control and Mechanical Properties of 7075 Aluminum Alloy by Means of Multi-Pass Friction Stir Processing Yutaka Matsuda1,a , Goroh Itoh2,b and Yoshinobu Motohashi2,c 1,2Graduate School of Science and Engineering, Ibaraki University, 4-12-1Nakanarusawa, Hitachi-city, Ibaraki, 316-8511 Japan 1Japan Boiler Association, 5-3-1 Shimbashi, Minato-ku, Tokyo, 105-0004 Japan ayutaka-matsuda@jbanet.or.jp, bgitoh@mx.ibaraki.ac.jp, cymotoha@mx.ibaraki.ac.jp Keywords: Friction stir processing, Aluminum alloy, Microstructure, Mechanical properties Abstract.
Therefore, it is underway to apply aluminum alloy for weight reduction of structure material in transportation machines.
Hirano: Journal of the Japan Welding Society Vol.74, No.3, April (2005), P. 9 [3] N.

Research on gasoline antiknock additive affect to vehicle LI Jin (1 Shanghai University of Engineering Science, Shanghai lijin0106@126.com) Keywords: MMT, emissions, oxygen sensor, three-way catalytic converter Abstract: MMT had been used widely as an antiknock additive in petrol.
If the old catalytic converter with MMT influence, the catalyst surface will cover with a layer of coating material, leading to the gas through its surface contact area is reduced, so that the catalyst conversion efficiency decreased.
Zhengzhou University Journal, 2007,6 (2): P93-96 [3] Xu Qiwen,Xu Zhao Fa.

The geometric properties of the model, loads and material properties of sections are shown in Fig. 1.
Acknowledgment This work received financial support from Ministry of Science, Technology and Innovation of Malaysia under Research Project No. 5450366 and supported by Institute of Advance Technology of Universiti Putra Malaysia and gratefully acknowledged.
Soda, Journal of Wind Engineering and Industrial Aerodynamics Vol. 59 (1996) p. 247 [7] S.

International Journal of Systems Science Vol. 27(1996) , p. 931
[5] Li teaching material.

Average Sherwood number Average temperature of the material medium N° i Experimental works I.1- Experimental set up I.1.1- Perspective view of the experimental set up,Fig.1 Legend: 1- Glass ; 2- Towelling; 3-Flexible rubber hose ; 4- Water valve ; 5- Test tube ; 6- In air pipe tank ; 7- the condensed water recovery out pipe ; 8- thermocouples support ; 9- Distiller lower door ; 10- Wedges ; 11- Pivoting platform ; 12- Support; 13- Pyranometer  support ; 14- Sprinkler pipe ; 15- thermocouples welds ; 16- Thermocouples thread; 17- Upper part of the distiller ; 18- Rubber seal ; 19- Ground.
International Journal of Thermal Sciences, Volume 38 l 1999 [6] DJ.

Introduction With the rapid development of modern science and technology, a wider variety of household necessities have greatly improved people’s material life.
Chen: Journal Safety Research Vol. 36 (2005), p. 365-375 [5] Breiman L and J.H.

So it can be used to predict internal relationship between physical properties and shear strength indexes. 1.Test material Shear strength varies largely considering different types of soil.
“Characterization of Erodibility Using Soil Strength and Stress-Strain Indices for Soils in Some Selected Sites in Imo State”, Research Journal of Environmental and Earth Sciences, vol.4, no.7, pp.688, 2012

At the same time, OD survey requires a lot of manpower and material resources.
Acknowledgements This work was financially supported by the national science foundation of China (51379171) and the project of traffic impact analysis of the Wanxing Fortune Plaza in Jiaomei.
Journal of Hubei Polytechnic University,2013,29(4),48-51.

Using this technology, people don’t have to consider the object’s geometric model and also not have to describe the material characteristic of the object surface.
Acknowledgment This work is supported in part by Natural Science Foundation of Zhejiang Province, China (Grant No. 2010Y1101073) and in part by Nonprofit Technology and Application Research Program of Zhejiang Province, China (Grant No. 2010C31083).
JOURNAL OF COMPUTER-AIDED DESIGN & COMPTER GRAPHICS. 2004, 16(1):62-66 [14] Erik Reinhard, Michael Ashikhmin, Bruce Gooch, et al.

Arcing, Corona discharge ,low energy sparking, severe over loading and overheating of insulation system are some of the problems causing decomposition of the insulating material.
[2] SUN Yan-jing, ZHANG Shen, MIAO Chang-xin, LI Jing-meng, “Improved BP Neural Network for Transformer Fault Diagnosis”, Journal of China University of Mining & Technology, Vol.17 No.1, pp. 138–142, Mars 2007
[8] Rahmatollah Hooshmand and Mahdi Banejad, “Application of Fuzzy Logic in Fault diagnosis in Transformers using Dissolved Gas based on Different Standards”, World Academy of Science, Engineering and Technology 17, pp. 157–161, 2006