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Experimental material and procedure.The samples [3] are taken from the continuous casting billet for HRB335C steel whose composition is shown as table1.
Acknowledge This work was supported by the National Natural Science Foundation Project (61004135) Reference: [1] WANG Xin-hua, WU Dong-mei.
International Materials Reviews Vol.36(1991), p.187 [5] T C Tszeng, S Kobayashi.
Journal of Materials Processing Technology Vol.102(2000), p.143 [7] X.
Science and Technology of Welding and Joining Vol.15(2010), p.87 [10] M El-Bealy, N Leskinen, H Fredriksson.

It is the favorable material used on sensitive element of ultrasonic transducer.
It is one of the important parameters of piezoelectric material.
Acknowledgments This work was supported by the National Natural Science Foundation of China (No.61302015), the Scientific Research Key Program (No.KZ201110772040) and General Program (No.SQKM201211232022) of Beijing Municipal Commission of Education.
Chinese Journal of Acoustics, 2011, 36(6): 631-637 (in Chinese) [3] Denghua Li, Weijun Ju, Meijuan Jia, Xiaofei Xu, New piezocomposite transducer and its application.
Science Press. 2007 (in Chinese) [4] W.A.Smith.

A novel feasible purifying strategy for nano-sized calcium phosphate based biomaterials Wei Zhou1, a, Jun Zheng2 1 College of Medical Technology and Engineering, Henan Univerisity of Science and Technology, Luoyang, 471000, China 2 State Key Lab of Material Processing and Die & Mould Technology, Huazhong Univerisity of Science and Technology, Wuhan, 430074, China a weizhou002@163.com (corresponding author) Keywords: nano-sized biomaterials; purifying strategy; dialysis tubing Abstract.
a) b) c) Fig.2 TEM pictures of nano-HAP (a), nano- fluoride-substituted HAP (b) and nano-ß-TCP (c) synthesized by D-process Materials and methods Hydroxyapatite nano-crystals were synthesized by a wet chemical method.
Yang et al.: Materials letters Vol. 59 (2005), p. 1422-1425
Rubini: Journal of solid state chemistry Vol. 177 (2004), p. 3092-3098
Zhou et al.: Key Engineering Materials Vols. 330-332 (2007), p. 219-222.

Material parameters of harmonic gear drive are listed in Tab.1.
Tab. 1 Material parameters of harmonic gear drive Components of harmonic gear drive Flexspline Circular spline, wave generator and output shaft Material type 30CrMnSi 45# Steel Tensile modulus [GPa] 204 210 Poisson's ratio μ 0.29 0.3 Density ρ [g·cm-3] 6.691 7.85 Tensile strength [MPa] 885 355 Fig. 4.
Journal of Mechanical Engineering. 2006, Vol. 42, p. 52-57(In Chinese)
Materials and Design. 2007, Vol. 28, p.129～134 [5] Ostapski W.
Bulletin of the Polish Academy of Sciences-Technical Sciences. 2010, Vol. 58, p.683～698.

With further application of micrototal analysis systems, a broad variety of materials are evolving and updating.
The first class of methods is generally patterning hydrophobic materials so that hydrophilic channels are formed in paper or other porous membrane.
In addition to the chromatography paper, a series of porous materials, including cellulose and gel material were also employed.
Acknowledgements Financial supports from Natural Science Foundation of China (No. 21207080), Natural Science Foundation of Shandong Province (No.
Zhu: Journal of Chromatography A 1217 (2010), P. 3896 [17] A.

Introduction The electronic structure of nanoscale carbon materials such as fullerenes and carbon nanotubes has been the subject of intensive research for many years because of fundamental scientific interest in nanoma- terials and because of their versatile electronic properties that are expected to be important for future[1].
Computational Model and Method This article is based on Materials studio (MS) software platform for related calculations.
Acknowledgments This word was supported by the National Natural science Foundation of China (Nos.61377036 and 60971015) and the Science and the Technology Research and Development Projects of Shanxi province (No.2013K09-13) References [1] Son Y W, Cohen M L, Louie S G.
Science China(Physics,Mechanics & Astronomy), 2011, 54(8):1438-1442
Canadian Journal of Chemistry, 2016, 94(7).

According to the system, PCM of locking assembly was built by extending traditional Generic Bill of Materials (GBOM).
Generic Bill of Materials (GBOM) is usually used to solve problems of product configuration.
This paper is supported by project of National Natural Science Foundation of China (51075287).
References [1] Qi Congqian and Jia Weixin, in: Research on assembly modeling for product variant design[J].Chinese Journal of Mechanical Engineering, 2004,40(1):38-42
Address: Manufacturing Science & Engineering, Sichuan University, Chengdu, 610065, China.

These unclear conclusions seem to be mainly concerned with residual stress relaxation during fatigue tests and the metallurgical difference of the welded materials and parent materials.
In this study, we investigated the effect of welding residual stresses and weld bead profiles on fatigue behavior of a material, JIS SM 490 A, which is one of the materials used for rolling stock structures.
In this study, yield strengths, tensile strengths and work hardening exponents of base materials, heat affected zones and weld metals are measured using a similar method.
Gurney, British Welding Journal, (1959), p. 569
[5] ASTM E 466, Standard test method for conducting constant amplitude axial fatigue of metallic materials (2002)

In addition, concerning cutting tool materials, a large number of cutting tool materials have been developed to meet the demands of high metal-removal rates.
Machining processes were improved through changing the tool geometry, shank, coolant and materials.
Neailey: The surface integrity of machined components residual stressand fatigue Metals and Materials April (1988) pp. 141-144 [3] H.K.
Boothroyed: Lubrication action of cutting fluids Journal of Mechanical Engineering Science Vol.7 (1) (1965), pp.67–81 [6] M.
Chow: Metal machining with high pressure water-jet cooling assistance-a new possibility Journal of Engineering Industry (1989), pp.7–12 [7] R.

Introduction In modern material science the field of nanotechnology is one of the most active areas of research.
Materials and Method Chemicals.
Materials used for the synthesis of silver nanoparticles are AR grade silver nitrate (AgNO3) purchased from Merck, India, fresh leaves of Osmium leaf are collected from M.A.N.I.T campus and deionized water.
Hand Book of Non-structural Materials and Nanotechnology Academic, Press New York 1-5 (2000)
Granqvist Bacteria as workers in the living factory:metal-accumulating bacteria and their potential for materials science, Biotechnol. 19(1) (2001) 15-20