Search results

As a new technology, terahertz time-domain spectroscopy (THz-TDS) offers advantages of no risk of radiation, high transparency for nonpolar materials, strong spectral fingerprints for crystalline materials and polar molecules, and high sensitivity in both time and frequency domains.
Acknowledgments This work is supported in part by the National Natural Science Foundation of China under Contract No. 61265005, and in part by the Guangxi Experiment Center of Information Science, Guilin University of Electronic Technology under Contract No. 20130101.
Journal of Chinese Pharmaceutical Sciences, 2005, 14(2): 110
Nature Materials, 2002, 1(1): 26
International Journal of Pharmaceutics, 2006, 334(1-2): 78

Influence of Carbon Doping on Microstructure and Tribological Properties of CrN Coating Pengfei Hu1 Guojie Yin2 Sikai Zhou3 1Department of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China 2Department of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang 471023, China 3Department of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China Keywords: CrN coating, Carbon doping, Magnetron sputtering, Tribological property Abstract: The influence of carbon doping on tribological properties of CrCN Coating was studied through preparation of coatings deposited on single crystal silicon and M2 high speed steel(HSS) substrate using closed-field unbalanced magnetron sputtering ion plating technique.
Graphite is a commonly used solid lubricant material with low friction coefficient, the graphite doping can significantly reduce the friction coefficient of hard coatings[5].
Transactions of Materials and Heattreatment, 2004(10):858-860
Journal of the European Ceramic Society,1997,17(15-16):1929-1932
Applied Surface Science, 2009,255(21):8788-8793 [6] G.G Fuentes, M.J.

Acknowledgments This paper was an output of the project CZ.1.05/2.1.00/01.0040 "Regional Materials Science and Technology Centre.
Hsiao, Relationship between JIC and Fractal Value of Fracture Surface of Ductile Materials, Acta Metall.
Banerji, Fractals in Fractography, Materials Science and Engineering 80 (1986) 1-14
Haze, Significance of Fracture Facet Size in Cleavage Fracture Process of Welded Joints, Materials Science and Engineering A176 (1994) 385 -391
Galicia, Fractal Properties of Fracture Surfaces in Steel 1045, International Journal of Fracture 106 (2000) 21-26

Sun: Materials Processing Technology Vol. 168 (2005), p. 189
Wolf: Materials Science and Engineering Vol. 87 (1987), p. 23
Grabke: Materials and Corrosion Vol. 54 (2003) No10
[7] Strauss, Krajak, Grabke: Materials and Corrosion Vol. 50 (1999), p. 622
Mehl: Journal of Metals Vol. 188 (1950), p. 533

Numerical Simulation of Stress Distribution of AZ31B Magnesium Alloy/LY12 Aluminum Alloy Diffusion Welded Joint Ling-ming Konga, Shuang-ming Dub,*, Yu-jie Xia and Jun-hui Li School of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China aklming1988@163.com, b*shuangmingdu@163.com Keywords: Magnesium alloy, Aluminum alloy, Diffusion bonding, Stress distribution, Finite element analysis Abstract.
In the finite element model, when the temperature was higher than the annealing temperature, the plastic strain should be set to zero, meanwhile strain-hardening exponent of materials with higher temperature than the annealing one should also be set to zero [8].
In addition, the process of welding was to simulate stress field, so the yield strength and shear modulus of materials at different temperature were needed [9], and parameters under different states in the process of each simulation should be input.
References [1] B.Y.Huang: The Chinese Journal of Nonferrous Metals, Vol. 14 (2004) No.5, p.122
The Application of Computer in Materials Science (Mechanical Engineering Press,China 2003)

Wear is a process where the abrasive particles when slide over the soft material it will plough the surface of soft material and removes the material on the sides of the grove and subsequent sliding of abrasive will lead the material loss.
Journal of Materials Processing Technology, 73, pp, 160–166
Materials Science and Engineering, 386, pp. 296–300
Al2O3/Al and TiB2・Al2O3/Al-Cu composites,” Composites Science and Technology, vol. 59, no. 9, pp. 1341–1347
Materials Science and Engineering, A 527, 2881–2885.

Cost Optimization Problem of Hybrid Flow-shop Based on PSO Algorithm HAN Zhonghua1, a, MA Xiaofu 2,b, YAO Lili3,c and SHI Haibo4,d 1 Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China 2 Graduate School, Chinese Academy of Sciences, Beijing, China 3Department of Computer Science and Engineering, Tongji University, Shanghai, China ahanzhonghua@sia.cn, bmaxiaofu2008@gmail.com, cyaolili@sia.cn, dhbshi@sia.cn Keywords: Hybrid flow-shop scheduling problem (HFSP).
In this model, the production materials consumption represented by processing cost, the equipments waiting to make process consumption which is represented by waiting cost and the storage cost consumed by products which are working in process (WIP) and waiting for being processed at the next stage storage are overall considered.
Particle swarm optimization and differential evolution for the single machine total weighted tardiness problem[J], International Journal of Production Research, 2006, 44(22): 4737-4754
A particle swarm optimization algorithm for makespan and total flowtime minimization in the permutation flowshop sequencing problem [J], European Journal of Operational Research, 2007, 177(3): 1930-1947

Analysis of Dot Micro-morphology for Image Replication Quality Evaluation WANG Qia, WANG Qianb, QIU Xiaolinc and WANG Tianmad Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing 210037, China awangqi_3639@163.com，bwangqian1991723@163.com，clillian@163.com，d15295503128@sina.cn Keywords: Dot; Micro-Morphology; Three-Dimensional Shape of Printing Dot; Image Replication Abstract.
[7] Yang,L:Journal of Imaging Science and Technology Vol.48(2004),p.347~353 [8 Lee C H,Lee E J, Ahn S C, etal:Journal of Imaging Science and Technology Vol. 45(2001),p.427~435 [9] Z.Luo:.Materials Processing Technology,Vol.13(2003),p.373-378 [10] Qin Min.(2010).Research on image segmentation.Unpublished doctorial dissertation,Jilin University, Changchun,China

This greatly reduced the software and hardware resources management and maintenance cost, saving manpower material resources.
Science and technology), 2009, (9) : 219-220
Journal of equipment command institute of technology, 2011, (4)
Based on cloud computing design platform of electronic commerce security strategy [J].journal of cooperative economy and science and technology, 2011, (08) : 125-127
Beijing: education science press. 2008

Experimental Materials.
The evolutional images of contact angles for water(or 0.0087mol/L SDS solution)on coal sample surfaces were captured by a dynamic contact angle tester SL200B (Solon Technology Science Co.
Acknowledgements Financial support for this work, provided by the National Science and Technology Major Project (No. 2011ZX05037-003), is gratefully acknowledged.
Li, Q.Y.Zhao, Y.H.Qin and K.C.Xie: Journal of Chemical Industry and Engineering , Vol. 55 (2004) No.3, p.1299
[11] Z.Y.Yang and A.N.Zhou: Journal of Wuhan University of Technology-Mater, Vol.22(2007) No.3, p. 44.