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Introductions Biomedical material is a new branch in the biomedical sciences, it is an interdisciplinary biology, medicine, chemistry, physics and material science is formed by the intersection of artificial tissue or organ, is used for the preparation of high performance, medical research, new drug development and bionic research foundation.
Biological and medical materials, Biomaterials is a kind of special performance or function, which can be used to repair and replacement of animal organs and tissues, diagnosis and treatment of disease, and a kind of animal biocompatible materials [2-4].
delivery systems duodenal positioning a coating materials
(2) Controllable biodegradation rate of new materials We used the polyphosphazene and biodegradable materials - polylactide and polyglycolide blending, to obtain controllable biodegradation rate of new materials.
Journal of Shenyang Pharmaceutical University, 2002, 19 (2): 83 ～ 86 [8] Yin Yihua, Yang Yajiang, Xu Huibi.

Introduction Composite hollow cylinders are made up of concentric layers of two or more materials and possess mechanical and thermal properties that exceed that of its constituent materials.
The elastic properties and orientations of the materials were introduced.
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Yang, Time-Dependent Stress Analysis in Functionally Graded Materials, J.

Dieter, Materials Selection and Design ASM Handbook, ASM International Handbook Committee, 20 (1997) 882-883
Metal matrix composites, Production by the stir casting method [J], Journal of Materials Processing Technology, 1991, 92_93: 1_7
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[12] Hashim J, Looney L, Hashmi M S J, The wettability of Si3N4 particles by molten aluminum alloy [J], Journal of Materials Processing Technology, 2001, 119: 324_328

Materials Science and Engineering.
Materials Letters.
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Experiment materials and methods The commercial AZ31B magnesium ally is used, which includes 3.1 pct Al，1.2 pct Zn，0.3 pct Mn，0.03 pct Fe，0.02 pct Cu，0.02 pct Ni, the rest Mg.
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Marthinsen, Thermal stability of Al3(Scx,Zr1-x)-dispersoids in extruded aluminium alloys, Materials Science and Engineering: A. 475 (2008) 241-248
Kaibyshev, Development of ultra-fine grained structure in an Al-5.4%Mg-0.5%Mn alloy subjected to severe plastic deformation, Conference Paper: Materials Transactions. 52 (2011) 882-889
Robertson, In-situ TEM studies of recrystallization and grain growth in Al-Mg-Mn-Zr alloys, in: Conference Paper: Materials Research Society Symposium Proceedings. 404 (1996) 177-182
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Holtz, Precipitation behavior of the β phase in Al-5083, Materials Science and Engineering: A. 527 (2010) 1089-1095

Plain weave C/SiC composites have been widely used in aerospace vehicle as key thermal structural materials.
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By choosing propitiate saw blade materials and saw blade tensioning, our goal can be achieved also.
Materials and composite reinforcement models The basic characteristics of the circular saw blade in our model are given in Table 1-3.
Tasgetiren: Journal of Applied Sciences Vol. 8(2008), p. 876
Ding: Key Engineering Materials Vol. 259(2004), p. 141
Hutton: Journal of Sound and Vibration Vol. 242(2001), p. 907

Introduction Polyketone(poly-3-oxotrimethylene), alternating copolymer of ethylene(C2H4) and carbon monoxide(CO) is a novel semicrystalline thermoplastic high-performance polymeric materials.
Experimental Materials.
Polymer Materials Science & Engineering, 2005, 21(5):178~181.
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Study on Synthesis of Green polymer materials polyketide.

The Coupling Thermal and Mechanical Analysis of Machining Aluminum Alloy Work-piece Based on FEM Mu Lan Wang1, a, Jun Ming Hou2, b and Bao Sheng Wang3, c 1Jiangsu Key Laboratory of Advanced Numerical Control Technology, Nanjing Institute of Technology, Nanjing China 2Industrial Center, Nanjing Institute of Technology, Nanjing China 3School of Material Engineering, Nanjing Institute of Technology, Nanjing China awangml@njit.edu.cn, bhjunming@njit.edu.cn, cclxwbs@njit.edu.cn Keywords: Oblique cutting model, Finite Element Method (FEM), Cutting temperature, Cutting force, Aluminum alloy work-piece Abstract.
In the cutting process, the milling tool contacts with the work-piece, and cut a changing thickness of materials.
Acknowledgements This research is partially supported by Natural Science Research Foundation of Jiangsu Provincial Universities (Grant No.: 13KJA460002), Natural Science Foundation of Jiangsu Province (Grant No.: BK2012476, BK20131314), Advanced Numerical Control Technology Innovational Teams of Qing Lan Project of Jiangsu Province (Grant No.: 201239) and Science Research Foundation of Nanjing Institute of Technology (Grant No.: 2KJ201201).
Liu, et al: Journal of Zhejiang University, (2008) No. 42 : p. 234 (In Chinese) [4] J.
Wong, et al: Journal of Applied Sciences, (2011) NO. 11 : p. 308