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The nanoparticle materials have been intensively studied in recent decades aiming mainly at the medical fields.
:Journal of Magnetism and Magnetic Materials Vol. 324 (2012), p. 4011
Araújo-Neto, et. al.: Journal of Magnetism and Magnetic Materials Vol. 364 (2014), p. 72
Wan: Journal of Colloid and Interface Science Vol. 305 (2007), p. 366
Schoen: Nanostructure Materials Vol. 5 (1995), p. 607.

Dutta, Hydrothermal growth of ZnO nanostructures, Science and Technology of Advanced Materials. 10 (2009) 013001
Gohar, Strategies of making TiO2 and ZnO visible light active, Journal of Hazardous Materials. 170(2-3) (2009) 560-569
Shi, Uniform ZnO nanorods can be used to improve the response of ZnO gas sensor, Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 150(1) (2008) 55-60
Dutta, Photocatalytic degradation of organic dyes with manganese-doped ZnO nanoparticles, Journal of Hazardous Materials. 156(1-3) (2008) 194-200
Dutta, Growth of ZnO nanowires on nonwoven polyethylene fibers, Science and Technology of Advanced Materials. 9(2) (2008) 025009

Three-dimensioned extrusion simulation and analysis of bending aluminum-alloy tube based on Deform software Zhilong Feng1,a, Jishun Song 1,b , Xu Ma 1,c, Jingyun Ma1,, Jian Zhang1 1 School of Materials science and Engineering，Tianjin University of Technology，Tianjin 300384, China a fengzhilong_1234@163.com，b lgjs@163.com， cmaxumax@sina.com Key Words: extrusion; bending; velocity field control; FEM; a comparative analysis Abstract: In this paper three numerical models , eccentric extrusion method to prepare bending tube ,concentric partial material extrusion method to prepare bending tube, differential velocity extrusion method to prepare bending tube , are built and simulated .
Mechanical Science and Technology, 2004, 23 (12):1509-1513 [2] Muller, Klaus B.
International Journal of Machine Tools and Manufacture, v 46, n 11 SPEC.
International Journal of Machine Tools & Manufacture 46 (2006) 1238-1242
JOURNAL OF MATERIALS SCIENCE 40 (2005) 2007 - 2011

Journal of materials science, 53(7):4709-4733
Journal of materials science, pp. 3099-3106
IPTEK: The Journal for Technology and Science, 22(1), pp. 24-28
Materials and Structures, 55(1), p.22
On the development of fly ash-based geopolymer concrete, ACI Materials Journal, 101, 467-472

It is widely used in many aspects, such as engineering sciences, life sciences and economic management, etc [9.10.11].
When it comes to the machining of materials such as hardened steel 7CrSiMnMoV, ceramic tool or greater hardness of superhard tools are good alternatives.
Journal of Tianjin University [J]. 2007, 02: 148-152
Lecture Notes in Computer Science Volume 8532, 2014, pp 335-343
Journal of Superhard Materials.

The cryogenic control system is applied to the independent development of superconducting electrical characteristics of insulating materials testing device.
And it is designed on the basis of LabVIEW, for the test of the electrical characteristics of the insulation materials in special environment such as cryogenic temperature and vacuum.
Insulating materials in the superconducting coil system / super friction between wire [J].
Journal of Xi’an Jiaotong University, 1990, 24(4):11-16
Dielectric Behavior of Insulating Materials under Liquid Nitrogen[J].

[4] Chan Yin Nin Sammy, Peng Gai-Fei, Anson Mike, ACI Materials Journal, May-June (1999) 405
Chan, Journal of Materials Science and Technology, 21, No.1 (2005) 118
Dowd, Proceedings of the Materials Engineering Conference, Materials for the New Millennium, 2, (1996) 1320
[39 Shi Tao, Chen Baochun, Shi Huisheng, Journal of Materials Science & Technology, 23, No.6 (2005) 868.
[46] Yao Zhixiong, Zhou Jian, Zhou Ruizhong, Journal of Building Materials, 9, No.6 (2006) 654.

The materials yield, plastic fluid, softening, and the plastic strain after yield can be analyzed precisely by FLAC, furthermore static and dynamic analysis also behave very well.
The test model is shown in Fig.2 and material parameter is given in table.1.
References [1] Xuyang Xie, Wenqi Tian, Yunhai Wang, Xingkai Zhang: Journal of Safety Science and Technology.
(In Chinese) [2] Lihong Yang, Quanming Li, Quangming Cheng, Yunhai Wang: Journal of Safety Science and Technology, Vol. 4, No. 5 (2008), p28.
Diez-Herrero: Journal of Hazardous Materials, Vol. 154, No. 1 (2008),p79

Eckstein, Miniaturization in sheet metal working, Journal of Materials Processing Technology 103 (2000) 95–101
Lu, Study of thickness and grain size effects on material behavior in micro-forming, Journal of Materials Processing Technology 201 (2008) 237–241
Ni, Material behavior modelling in micro/meso-scale forming process with considering size/scale effects, Computational Materials Science 43 (2008) 1003-1009
Ni, Material behaviour modelling in micro/meso-scale forming process with considering size/scale effects, Computational Materials Science 43 (2008) 1003–1009
Ni, Analysis of micro/mesoscale sheet forming process with uniform size dependent material constitutive model, Materials Science and Engineering A, 526 (2009) 93-99.

Moreover, PMMA is a versatile material that has been used in a wide range of fields and applications as a substitute for glass, medical technologies, building materials, billboards, implants, and other aesthetic materials.
This result set the foundation for the processing of other materials by employing the same method using a CO2 laser.
(3) Where A is the material absorption rate, R is the material reflectivity, Nr represents the real refractive index of the materials, and Ni represents the imaginary refractive index of the materials.
The original light transmittance of the PMMA materials is 92%.
Hennemann, Influence of CO2 laser radiation on the surface properties of poly(ether ether ketone), Journal of Applied Polymer Science. 64 (1997) 1091-1096