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Cast material properties were assigned from ProCastTM database.
Material properties were obtained from ProCastTM database.
Karimi-Sibaki, Heat Transfer Coefficient at Cast-Mold Interface During Centrifugal Casting: Calculation of Air Gap, Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science. 49 (2018) 1421–1433. https://doi.org/10.1007/s11663-018-1220-0
[16] American Society for Metals, ASM Handbook Volume 02 - Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM International, Ohio, 1990
Stefanescu, Science and engineering of casting solidification, Springer, 2015.

Influence of Welding Sequence on Residual Stress and Distortion in Rectangular Welding of 6061 Aluminum Alloy Yi Jie1, 2, 3, a, Li Can3 and Zhonggang Sun1 1Hunan Industry Polytechnic 2State Key Laboratory Of Advanced Design And Manufacturing Vehicle Body 3College of Materials and Engineering of Hunan University aemail:ejay2011@sina.com Key words: Aluminum alloy; Finite element; Welding sequence; Welding distortion Abstract: This paper presented a detailed finite element simulation on the basis of elastic-plastic method combined with thermo-mechannical coupling algorithm，and the software abaqus was used for the welding simulation of thin-walled 6061-T6 aluminum.
The simulation of deformation using thermal elastic plastic finite element method ,which takes account of many material nonlinear factors, makes results more directly and easy to facilitate comparison analysis.
Aluminum ang aluminum welding guide[M].Changsha：Hunan Science and Technology Press，2004, 56-61
International Journal of Pressuer Vessels and Piping, 2008, 85:265-274
Modeling and Simulation in Materials Science and Engineering, 2005, 13:553-565

Only the interaction of these two different materials generates the properties required in lightweight designs, such as high stiffness and strength, compared to unreinforced plastics [1].
Polypropylene is very suitable as a matrix material because of its low density, chemical resistance and low material costs.
Experimental Materials.
DiBenedetto, Materials Science and Engineering A 302 (2001) 74-80
Plueddemann, Journal of Adhesion Science and Technology 5 (1991) 261-277.

For a given material increased plastic deformation can lead to increased GAM [10].
At the annealing temperature, the strength of the material drops to a much lower value.
Journal of Engineering Materials and Technology. 102 (1980) 169-76
Kwofie, Plasticity model for simulation, description and evaluation of vibratory stress relief, Materials Science & Engineering: A (Structural Materials: Properties, Microstructure and Processing). 516 (2009) 154-61
-E., Influence of Dry Cut and Tool Wear on Residual Stresses in High Speed Machining of Nickel-Based Superalloy, To Appear in Materials Science Forum. (2013)

Dynamic Response Analysis of Large Wind Turbine Blade Based on Davenport Wind Speed Model Jianping Zhang1, a, Dongliang Li1, b, Yu Liu2, c, Helen Wu3, d, Jianxing Ren1, e, Weiguo Pan1, f 1 School of Thermal Power and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China 2 Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China 3 School of Engineering Perth, Edith Cowan University, Western Australia 6027, Australia ajpzhanglzu@163.com, bdongliangqh@163.com cyuliu@mail.sic.ac.cn, dh.wu@ecu.edu.au eren608@163.com, fpanweiguo@shiep.edu.cn Keywords: Fluctuating Wind Speed, Blade, Displacement, Von-mises Stress.
In the state of waving, the blade linear strain caused by deformation is the main factor which makes material fracture.
Acknowledgment This work is supported by Key Discipline of Shanghai Education Commission (J51304)，Scientific Research and Innovation Project of Shanghai Education Committee (11ZZ172，11ZZ171), National Natural Science Foundation of China (50706025) and Natural Science Foundation of Shanghai (09ZR1413000, 11ZR1414200).
References [1] Ming-Hung Hsu, “Dynamic behavior of wind turbine blades” , Mechanical Engineering Science, Vol. 222, 1453-1464, 2008 [2] Fu Cheng, Wang Yanrong, “Dynamic Response Analysis of Wind Turbine Blade”, Acta Energiae Solaris Sinica, Vol. 31, issue 7, 917-922, 2010 [3] Zhao Na, LI Junxiang, LI Chengliang, “Model Analysis and Stability Analysis of Wind Turbine Blades Based on Ansys Modeling”, Fiber Reinpressured Plastics/Composites, Vol. 6, 14-17, 2010 [4] Hu Danmei, LI Jia, Yan Haijin, “Numerical Simulation of Airfoil Dynamic Stall of Horizontal Axis Wind Turbine”, Proceedings of the CSEE, Vol. 30, issue 20, 106-111, 2010 [5] He Yulin, Li Haifeng, Jin Xin, “Aerodynamic Characteristics Model of Airfoils for Wind Turbine Blades”, Mechanical Science and Technology for Aerospace Engineering, Vol. 29, issue 12, 1589-1594, 2010 [6] Rui Yang, “Research of the rotational effects on the boundary layer of wind turbine blades”, Modern Physics Letters B, Vol. 23, issue 3, 505-508, 2009
[11] Cheng Zhaoxue, Yang Congxin, LI Rennian, “A Numerical Method in Aerodynamic Computation for Wind Turbine Rotor”, Mechanics in Engineering, Vol.29, issue 6, 44-47, 2007 [12] Zhou Pengzhan, Xiao Jia-yu, Zeng Jingcheng, “Structural Analysis of Large-scale Composite Wind Turbine Blade Based on ANSYS”, Journal of National University of Defense Technology, issue 2, 46-50, 2010

Study of Knowledge Reasoning in Supply Chain Yiqing Lua, Min Hu, Chen Li School of Information Management, Beijing Information Science and Technology University, Beijing, 100192, China aemail: luyiqing@126.com Keywords: Supply chain; Ontology; Knowledge reasoning; Knowledge sharing Abstract.
Introduction From the perspective of knowledge management, it not only refers to the supply chain of material, but also that of knowledge.
PHR201106133), and and the Projects in the National Science & Technology Pillar Program (No.2012BAH08B02).
Web Semantics: Science, Services and Agents on the World Wide Web, 2009,7: 74-89
Journal of Beijing information science and technology university. 2010, 25(Z2): 97-102.

Optimization of extraction conditions of active constituents from Siraitia grosvenorii Jing Liu1,a, Long Rong1,b, Can Liu1,c and Yonghai Rong1,d 1Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, P R China aliujing@be.buaa.edu.cn, bronglong@buaa.edu.cn, cliucan808@163.com, drongbeijing@hotmail.com Keywords: Siraitia grosvenorii, Mogrosides, Ultrasonic Extraction, HPLC.
Materials and Chemicals Siraitia grosvenorii fruits were obtained from BaiTaSi drugstore of Beijing.
Ho: Journal of Functional Foods Vol. 1 (2009), p. 145 [4] Y.A.
Rong: Journal of Chinese Medicinal Materials Vol. 33 (2010), p. 629 (In Chinese) [18] N.

Ecological benefits of energy efficiency improvement for coal utilization in China Aijun Li1,a and Zheng Li2,b 1Energy & Power Engineering School, Huazhong University of Science & Technology, Wuhan City, Hubei Province 430074, China 2Department of Thermal Engineering, Tsinghua University, Beijing 100084, China a hust_laj@mail.hust.edu.cn, b lz.dte@tsinghua.edu.cn Keywords: Coal utilization, Emissions abatement, Energy efficiency, Ecological benefits.
The meaning of ecosystem products is the natural raw materials consumed for economic activities.
These raw materials are extracted by basic infrastructure activities such as coal mining.
Li, “Policy analysis and technology choice about controlling sulfur dioxide emissions in China”, The Journal of Quantitative & Technical Economics in China, Vol.24, No.6, 2007, pp.129-136
Li, “An integrated analysis of prospects for advanced coal-fired power technology in China”, Asia-Pacific Journal of Chemical Engineering, Vol.5, 2010, pp.420-426.

Currently, ammunition or hazardous material safety evaluation model considers various factors, staff, management, ammunition and the environment, and the analysis is relatively simple, even based on fuzzy evaluation of a number of important safety factors, can’t reflect the inherent security capabilities of ammunition accurately [2-6].In this paper, based on the level of ammunition safety , relative to life procedure may suffer major environmental stimuli, we presented the safety criterion of ammunition , established safety performance evaluation model of the ammunition.
Generally, ammunition contains a wide variety of energetic materials.
Comprehensive safety assessment model for civil blasting material storeroom based on fuzzyma mathematics and its application [J].
China Safety Science Journal, 2007, 17(7): 102-105
Journal of Ordnanee Engineering College, 2005, 17(2): 4-6

Based on the actual mechanics of deformation and materials knowledge, due to the thickness of plate tep and its effective length (ew) that cannot be ignored in the calculation of deformation and stiffness, shear deformation effects should be considered.
Based on the knowledge of mechanics of materials, due to plate thickness tef and its effective length (namely ef and ew) that cannot be ignored in the calculation of deformation and stiffness, shear deformation effects should be considered.
Acknowledgements This work was financially supported by Science and Technology project of the Ministry of Housing and Urban-Rural Development of PRC(2009-K1-11;2010-K1-11) References [1] Shao-fu LI, Steel bolts in end-plate connections.
Journal of the Structural Division,1975,101 (ST11):2317-2336
[8] Yong-jiu SHI，Gang SHI，Yuan-qing WANG，SemiRigid end-plate connections for steel structure simplified calculation method of bending moment-rotation curves，Journal of civil engineering, 2006, 39(3):19-23