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Limited researches have been made to investigate the mechanical properties of the cellular materials with density gradient.
International Journal of Impact Engineering 1997; 19(5-6):531-70
Materials Science and Engineering: A 2008, 499: 434-439
H., Lambros J., “Numerical Calculation of Stress Intensity Factors in Functionally Graded Materials”, International Journal of Fracture, Vol. 104, No. 2, pp. 131-143, 2000
International Journal of Solids and Structures 2007, 44: 4053-4067

Wang: Journal of Materials Processing Technology, vol. 185 (2007) pp. 147-151
Spigarelli: Key Engineering Materials, vol. 344 (2007), pp. 31-38
Gabrielli: Key Engineering Materials, vol. 344 (2007), pp. 55-62
Son: J. of Materials Processing Technology, vol. 97 (2000), pp. 88-94
Simoncini: Materials Science Forum, vols. 604-605 (2009) pp. 379-387.

Wang: Journal of Magnetism and Magnetic Materials. 323 (2011) 2648-2651
Li, et al: Materials Letters. 81 (2012) 65-68
Wang: Journal of Materials Processing Technology. 212 (2012) 1941-1945
Wang: Materials letters. 91 (2013) 150-153
Lu, et al: Materials Letters. 137 (2014) 475-478

According to the request of National Nature Science Foundation, the new diffusion welding method is put forward, that is the liquid-phase-impacting (LPI) diffusion welding.
In this paper, the mechanism of LPI and microstructure of welded joint of aluminum matrix composite SiCp/101A have been studied by scanning electron microscopy (SEM) and TEM, etc. 2 Experimental material and process 2.1 Experimental Materials The 101 aluminum matrix composite reinforced with 20% volume fraction SiC ∗ Funded by The National Nature Science Foundation of China (No.50171025) particulate with mean size of 12µm, was made by stirring casting.
Key Engineering Materials. 1995, (1): 3-36 2.
Journal of Materials Science and Technology. 2003, 19 Suppl.1: 88-90 4.
Designing of Interfacial Structures in Advanced Materials and their Joints.

Materials and Methods PET films (purchased from 3M Company) of 7x7cm 2 in size were washed by acetone, chloroform, deionized and water respectively, and then dried at room temperature.
Our previous report [5] gave the formula of free energy of adhesion between materials and bacteria: ( ) ( ) ( ) ( ) ( ) [] +−−+ +++− −−−+ −−−+ +−+ +−−−−−=∆ BSBS LB SL LB SL LW L LW B LW L LW S LW B LW S AdhF γγγγγγγγγγγγ γγγγγγ 2 2 2 2 .
Table 1 Contact angle (in degrees) and surface energy components of bacteria cells and supporting materials (in mJ/m2) Conclusions The chains of chitosan were successfully grafted on the surface of PET by plasma inducing and ultraviolet radiation.
Frey: Journal of Applied Polymer Science, Vol. 81 (2001), p.2993-3001 2.
Lin: Materials Science and Engineering C 20 (2002), p.167-173 4.

Numerical simulations indicated that the compressive thermoelastic stress at the growth temperature is lower around the edges of material from which wafers would be sliced, as shown in Fig. 3.
Schroder, Progress in SiC Materials/Devices and their Competition, International Journal of High Speed Electronics and Systems 21 (2012) 1250009-1-24
Whiteley, Large Area 4H SiC Products for Power Electronic Devices, Materials Science Forum 858 (2016) 11-14
Hallin, High-Power SiC diodes: characteristics, reliability, and relation to material defects, Materials Science Forum 389-393 (2002) 1259-1264
Stach, Stacking fault formation via 2D nucleation in PVT grown 4H-SiC, Materials Science Forum 821-823 (2015) 85-89

• Design features which are materials enabled.
No materials developments are anticipated.
Tighe, Contact Lens Materials in A.
Elder, Australian and New Zealand Journal of Ophthalmology, 25, 255 (1997)
Sweeney, Optometry and Vision Science, 83:3, 133 (2006)

Beijing: Science Press, 2003.
Science and Technology Information, 17: 27—29, 2008.
Smart Materials and Structures, 1998, 7(5): 693—703
Journal of Tianjin University, 42(9): 763—769,2009.
Journal of Engineering Mechanics, 1997, 123(3):230—238

At the same time ,the application of solar heat pipe in the middle shaft help improved the equality distribution of the temperature field, achieved the solution of heating to the fluid material from both inside and outside, meet the requirement of solar clean energy application, can save electrical power and reduce pollution.
References [1] Xu D, Shen D S, Feng H J, Research progress of food waste characteristic and treatment technology[J].BULLETIN OF SCIENCE AND TECHNOLOGY,2011,27（1）：130-135
Journal of Beijing university of chemical technology, 2002,16（2）
,PIV Study of Small-scale Flow Structure around a Rushton Turbine, AICHE Journal,2001,47(4),766-778
Journal of East China University of Science and Technology natural science edition, 2006, 32(3): 352-356.

Response surface methodology for optimization of the extraction technology of pigment from black rice Zefang Chen1,a, Xiaoling Lv2,b 1Tian jin University of Science & Technology ,China 2Tian jin University of Science & Technology ,China achenzefang1217@163.com,blxling@tust.edu.cn Keywords: black rice, pigment, extraction, RSM.
Materials and methods Black rice: Yihai Food Industry Company Limited in Qinhuangdao city in Hebei province, China.
J Food Science 06:15-19 [2] M.
J Biochemical Engineering Journal 14:217-225 [3] Xu Qinghai, Ming Xia, (2005) Extraction on natural pigment and its physiological functions.
J Journal of Fujian Agriculture and Forestry Universality 1:93-97 [6] Wang YD, Wang ZH, Yan SL, (1995) Black rice pigment extraction conditions and properties.