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This goes to activation of the surface towards the adhesion to other materials and enhancement of the biological activity to implant fixation [3].
The strength of dental ceramics can be assessed through flexural strength testing since these brittle materials are stronger in compression than tension [12].
Materials and Method Specimen Preparation.
Journal of Materials Science: Materials in Medicine, 13(6) (2002) 529–533
[16] ISO International Standart No.6872 (Dentistry — Ceramic materials).

Materials Science and Engineering A. 528 (2011) 7417– 7422
Journal of Materials Processing Technology. 91 (1999) 71-75
Materials Science and Engineering A. 530(2011) 539–547
Materials Science and Engineering A. 615(2014)436–446
Materials Science and Engineering A . 607 (2014) 122-131.

Establishing PZT piezoelectric ceramic finite element model Piezoelectric body is a coupling of structure field and electric field, as piezoelectric materials concerned, voltage make its internal stress, which electrical displacement rely on.
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The basic research on numerical simulation of Bimetal composited T-tube through Hydraulic bulging WANG Hui-feng, HAN Jing-tao, zhang Hui School of Material Science and Engineering ,University of Science and Technology Beijing ,Beijing 100083,China Key words: Bimetal tube,T-tube,Hydraulic bulging,Numerical simulation Abstract:Bimetal composited tube is constituted by two different metals.
This article is to make full use of the advantages of numerical simulation to analysis the influence of various parameters on the forming and gain the influence law [6-8]. 3.1 Materials Selection In this paper Copper tube is selected as the medial metal and Steel tube is selected as the lateral metal.
Journal of University of Science and Technology Beijing. 2008, 30(11): 1255-1259 [3] ZHAO Weinin.
Journal of Materials Processing Technology, 2003.139(1-3):58~63 [7] Muammer K, Taylan A.
Journal of Materials Processing Technology, 2001.108:384-393 [8] YU Xin-hong,WANG Hui-feng, ZHENG Yan-li .

In: IOP Conference series: materials science and engineering.
Materials Today: Proceedings, 2021, 39: 472-477
Welding Journal, 2011, 90.
Welding Journal, 2013, 92.2: 41-47
[9] Vijay Shivaji Gadakh, Kumar Adepu, Heat generation model for taper cylindrical pin profile in FSW, Journal of Materials Research and Technology, Volume 2, Issue 4, 2013, Pages 370-375, ISSN 2238-7854,

Therefore it is necessary to study and calculate the electronic structure of this type of materials.
Acknowledgment [1] Natural Science Foundation of Science and Technology Department of Guizhou Province, China (Grant No.
Hortenbach, Structure of thin CrSi2 films on Si(0 0 1), Applied Surface Science. 227 (2004) 341-348
Kuang, Effect of electropulsing treatment on the microstructure, texture, and mechanical properties of cold-rolled Ti–6Al–4V alloy, Journal Of Materials Research. 29 (2014) 1500-12
Tang, Effect of electropulsing treatment and ultrasonic striking treatment on the mechanical properties and microstructure of biomedical ti-6Al-4V alloy, Journal of the Mechanical Behavior of Biomedical Materials. 40 (2014) 287-96

Then, high-speed grinding experiment was carried out to three kinds of metal materials, and machined surface roughness and surface hardness after processing are measured and researched.
Test shows that “speed effect” is remarkable in grinding metal materials.
Acknowledgments This research is supported by the National Nature Science Foundation of China (51275084) and the National Nature Science Foundation of Liaoning Province (201102073).
Xu, et al: submitted to Chinese Journal of Mechanical Engineering (2013) [3] A.
Zhou: submitted to Journal of Materials Processing Technology (2013) [5] T.

Numerical simulation and process optimization of the die forging for the center wedge of the railway freight car buffers Yu Zhang1, a, Zhiguo An1, b and Lu Li2, c 1School Of Mechatronics And Automotive Engineering, Chongqing Jiaotong University, Chongqing　400074, China 2School of Materials Science and Engineering, Southwest University, Chongqing 400715, China a400074@gmail.com, bazgcqu@163.com, cLilu715@126.com Keywords: Center Wedge, Flash Gutter, Process Scheme, Numerical Simulation.
The results show that the filling capacity of billet to die cavity increases greatly by using direct finish-forging process and finish-forging die with the resistance wall and the utilization coefficient of materials is improved.
This can increase the friction force between the flash and the flash land because of more materials to form the flash which ensure the material to fully fill the cavity.
[2] Shengyong He, Shuiyang Peng: Journal of Netshape Forming Engineering (2009)
[4] Yu Zhang, Zhiguo An and Jie Zhou: Journal of Chongqing University, Vol.33 (2010), p. 72-78

Experimental Materials.
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Han: Journal of University of Science and Technology Beijing, Vol. 29 (2007), p402
Gao: Journal of Materials Science & Engineering, Vol. 30 (2012), p.329
Su: Journal of Materials Engineering, Vol. 2 (2011), p.42.

Progress in Materials Science. 2019;102:296-345
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