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Efficient Diffusion Bonding between BSCCO Superconducting Multifilamentary Tapes Guisheng Zou1,a,Yanjun Wang1,b , Aiping Wu 1,c, Hailin Bai1,d, Naijun Hu1,e, Xiuhua Song2,f and Hanping Yi2,g 1 Department of Mechanical Engineering, Tsinghua University and Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Ministry of Education of P.R.China, Beijing 100084, China 2 Beijing Innova Superconductor Technology Co., Ltd., Beijing 100176, China a zougsh@tsinghua.edu.cn, bwang-yj@mails.tsinghua.edu.cn, cwuaip@tsinghua.edu.cn, d bhl@ tsinghua.edu.cn, ehnj03@mails.tsinghua.edu.cn, fsongxiuhua @innost.com, gyi.hanping @innost.com Keywords: Bi-Sr-Ca-Cu-O tapes, diffusion bonding, superconducting electrical properties Abstract.
It is well known that pressure must be imposed on the samples so as to form a firm metallurgical interface in the diffusion bonding of metal materials.
Acknowledgements This study was supported by the National Natural Science Foundation of China under grant No. 50575114 and No. 50635050, and by Beijing Natural Science Foundation under grant No. 3052010.
Vol.15 (2002), p. 1600 [13] N.J.Hu, G.S.Zou, Y.J.Wang, A.P.Wu, E.H.Xie, H.L.Bai, H.P.Yi, J.Zong, X.H.Song, N.B.Dong, Z.H.Han, K.Shi: Proceedings of National Calculating Materials, Simulating and Image Analysis Ed.
By Materials Science Branch of Chinese Metal Society and Materials Science Division of Chinese Society for Stereology (Qing Huang Dao, P.R.

The weld has very low distortion, almost no porosity and very good mechanical properties which has a good prospect to join pieces of materials with poor weldability , such as aluminum alloys and magnesium alloys and so on[1].At present, the study of friction stir welding mainly concentrated on microstructures and the flow mechanism of welded materials[2].
Thermally physical parameters of experimental materials density (kg/m3) b (MPa) 0.2 (MPa) specific heat [J/(kg•℃)] thermal conductivity [W/(m•℃)] 100℃ 200℃ 300℃ 400℃ 25℃ 100℃ 200℃ 300℃ 400℃ 2780 451 402 921 1047 1130 1172 121.8 134.4 151.2 172.2 176.4 The article selected Ansys10.0 as finite element simulation software.
Friction stir welding and processing[J] .Materials Science and Engineering R, 2005, 50: 1-78
Reynolds,Michael A.Sunon.Prediction residual thermal stresses in friction stir welded metals [J].Journal of Materials Processing Technolgy.2006(174):195~203
Prediction of welding deformations by FEM based on inherent strains[J].Journal of Shanghai Jiao tong University(in ENGLISH),2000,5(2):83~87

The material microstructure and mechanical properties after laser scan are measured and analyzed.
Because laser scan speed is increased, the material absorbs less laser energy.
Computational Materials Science Vol.40 (2007), p. 27–32
[7] Jie Liu, Sheng Sun, Yanjin Guan. journal of materials processing technology Vol.209(2009), p. 1580–1587
CHINESE JOURNAL OF LASERS.

i Experimental Materials.
Key Engineering Materials Vols. 264-268 641 A B C Figure 4.
Zaharescu: Journal of Membrane Science Vol. 210 (2002), pp. 197-207
Sperling: Interfacial Aspects of Multicomponent Polymer Materials (Plenum Press, New York 1997)
Bae: Journal of Sol-Gel Science & Technology Vol. 26 (2003), pp. 981-984.

The Study on Man-Machine System Modeling based on Computer Aided Ergonomics Design Jing Wang 1 1college of mechanical & electrical engineering, Shaanxi University of Science & Technology ,Xi’an,Shaanxi,710021 China wangjing_101@yeah.net Keywords: ergonomics; computer aided ergonomics design; man-machine modeling Abstract.
The traditional design of MMS usually in product development in later period, led to repeated revision and then development cycle, and it consumes a lot of human, financial and material resources to make the material models [1], the implementation of the simulation MMS.
Mechanical Science and Technology, 2009, 24(10): 1154-1157
Chinese Journal of Computer-aided Design & Computer Graphics, 2004, 16(11), 1469-1474
Chinese Journal of Zhejiang University (Engineering Science), 2010, 39(6):805-809

The Influence of Temperature on Cr-Ti coating in Carbon Steel BAIYANG LOU 1,a, KANGCHUN LUO1,a, and BIN XU 1,b 1 The MOE Key Laboratory of Mechanical manufacture and Automation, Institute of Material and Surface Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China a E-Mail: lby00518@163.com, bE-mail: jddang@zjut.edu.cn Keywords: Cr-Ti coating.
Experimental Procedure The carbon steel containing 0.45%C was utilized as basis material.
[foundation item] Project (Y406234) supported by the Natural Science Foundation of Zhejiang Province The ingredient and figuration of compound layer were examined by scanning electron microscope (SEM) and electron probe.
References [1] ZHU Zheng-hou, DU Yan, DING Yan andSONG Hui, Study on Infiltrating Chrome on Surface of Evaporation Iron Casting, Hot Working Technology, Vol.35(2006),p.33 [2] LIU Xiao-ping, GAO Yuan, XU Jin-yong, LIU Yan-ping, WANG Jian-zhong and KUI Xiao-yun, Research on the wear-resistant layer with high contents of chromium and carbon by plasmas surface alloying, Materials Science & Technology, Vol.14(2006),p.251 [3] MU Ke, YAO Yu-huan, WU Yan-ping SU Jun-ping, WANG Rui and PIAO Chun-guang, Infiltrating Titanium Carbide and Titanium Nitride by Means of Powder, Journal of Jiamusi University(Natural Science Edition), Vol.19(2001),p.9 [4] ZHANG Yue fei, CHEN Fei; SU Yong an, PAN Jun de and XU Zhong, Corrosion resistance of copper by plasma penetration titanium, The Chinese Journal of Nonferrous Metals,S2 (2001),p.63 [5] Lou Bai-yang, Li Le-guo, Ma Xiao-Chun and Zheng Xiao-hua.
Chromizing-Titanizing Layer and Its Wear Behavior, China Surface Engineering, Vol.19(2006),p.19 [6] ZHANG Jian-Bin and LI Shi-yan, Microstructure and Properties of B-RE-Cr Coboronising Layer for Steel 45, Microstructure and Properties of B-RE-Cr Coboronising Layer for Steel 45, Mining and Metallurgical Engineering, Vol.24(2004),p.78 [7] RUAN Xia, XI Hui-zhi and XU Zhe, The study of Cr-Ti-Ce and Al-Ti-Ce penetration to 4Cr_(10)Si_2Mo valve steel, Applied Science and Technology,Vol.33(2006),p.25

According to the stress characteristics of prototype and material fracture toughness, the crack critical length is 83.85mm.
Acknowledgements The authors of the paper would like to express appreciation of the support from the Shanxi Science Foundation Grant 2012011025-5, College science and technology projects in Shanxi Province 20120023, Doctoral Scientific Research Starting Foundation by Taiyuan University of Science and Technology under No.20132006.
Strength of Materials, 2001,33(3):217-223
International Journal of Fatigue ,2011,33:132-144
Overhead crane load distribution and Good-of-Fit test[J].Journal of Mechanical Strength. 2011,33(4):25-30

Collaborative Filtering Using Principal Component Analysis and Fuzzy Clustering,Lecture Notes in Computer Science, 2001 [5] B.
[7] Songjie Gong, Personalized Recommendation System Based on Association Rules Mining and Collaborative Filtering, Applied Mechanics and Materials, Volume 39, pp:540-544
[8] Songjie Gong, An Enhanced Similarity Measure Used in Personalized Recommendation Algorithms, Advanced Materials Research, Volume 159, pp:671-675
Lecture Notes in Computer Science, 2114, 2001 [14] D.
In Procs. of the Fourteenth Irish Conference on Artificial Intelligence and Cognitive Science, pages 89–94, 2003

Synthesis and Characterization of alkeyl imidazolium ionic liquids Qiang Wang1, Shidong Wang1, Ming-chen Qi2, and Shu-liang Zang1,a* 1 School of Chemistry and Materials Science, Liaoning Shihua University, Fushun 113001, China 2 Key Laboratory of Rare and Scattered Elements, College of Chemistry, Liaoning University, Shenyang 110036, China armonline@126.com Keywords: Ionic liquids, Imidazole, synthesis, characterization Abstract.
Experimental Materials N-methylimidazole, allyl chloride, and bromoethane were purchased from Shanghai Xin Chemical Co.
Acknowledgement This project was financially supported by the National Key Technology R&D Program 2012BAF03B02，Science and Technology Bureau of Liaoning Province 201202084, the National Nature Science Foundation of China NSFC Nos. 21373005, 21271095, Education Bureau of Liaoning Province LR2012001, Innovation Team Projects LT2012001, Shenyang science and technology program No.
[8] J Robinson, R A Osteryoung: Journal of the AmericanChemical Society Vol. 101 (1997), p. 323-327
[10] S Sahoo, T Joseph, S B Halligudi: Journal of Molecular Catalysis A-Chemical Vol. 244 (2006), p. 179-182

Introduction In this advanced technology era, most devices require nano-sized aluminum materials that fit the device.
Advanced Science News, 29 (20), pp. 1-3
Materials, 4 (3), pp. 491
Journal of Nanostructure in Chemistry, 3 (1), pp. 1-4
Advanced Materials Research, pp 610–614.