Search results

Application of Uniform Design and Kriging Interpolation in Optimization of ITI Dental Implant with Dynamic Chewing Loads Yung-Chang Cheng1,a, Deng-Huei Lin2,b, Cho-Pei Jiang3,c, Cheng-Kung Lee4,d 1Associate Professor, Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan 811 2Graduated Student, Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan 811 3Associate Professor, Department of Power Mechanical Engineering, National Formosa University, Yunlin, Taiwan 632 4Associate Professor, Department of Industrial Engineering and Management, Cheng Shiu University, Kaohsiung, Taiwan 833 ayccheng@nkfust.edu.tw, bu0215907@nkfust.edu.tw, ccpjiang@nfu.edu.tw, dleeck588@csu.edu.tw Keywords: Explicit dynamics finite element analysis, ITI dental implant, Dynamic chewing load, Uniform design, Kriging interpolation, Nelder-Mead simplex method
ITI dental implant system and contact region for FE analysis (a) (b) Fig. 3 Applied axial direction loading (a) and dynamic loading components (b) Uniform Design of Experiments for Reducing Micromotion As shown in Figure 1, the ITI type dental implant system studied in this paper has four dimensional control factors: Screw Pitch (SP), Body Size (BS), Screw Depth (SD) and Taper Angle (TA), and one material control factor: Density (Den) of cancellous bone.
Journal of Biomechanic 43(2010) 1761-1770
Journal of Dental Research 82(2003)585-591
Journal of periodontology 77(2006)1701-1707

The introduction of alkaline material was not allowed in the process of sample handling.
References [1] Dai F,Tian Y and Shen LV:Chinese Journal of Public Health Vol. 23 (2007), p.595-598.
(in Chinese) [2] Wu D Y,Shen W G and Su Q: Journal of Health Toxicology Vol.16(2002), p.218-220.
[7] Peng X C,Lian Y D:Food Science Vol. 27( 2006) , p.226-228.
(in Chinese) [9] Rama Mohan Kurakalva，Narasirnha Murthy Nyasavajhala and Phani Homeshwari Mamidi: Journal of geochemistry Vo1．25(2006) , p.202

Effects of Gas nucleus on Cavitation Inception and Bubble characteristics inside V-throttling groove Xuewen Du1, a, Xin Fu2,b and Hangbin Tang1,c 1Colledge of Education, science and technology, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China 2 State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou, Zhejiang, 31002, China axw.du@163.com, bfxin@zju.edu.cn, cthb_zjut_edu@126.com Keywords: Cavitation Inception, Throttling Groove, Gas nucleus, High Speed Observation, Valve.
Acknowledgement This material is based upon work funded by Zhejiang Provincial Natural Science Foundation of China under Grant No.
Fu, Journal of Zhejiang Univeisity, Vol. 41 (3), (2007), p.456
Zou, Chinese Journal of Mechanical Engineering, Vol. 20(2007), p.37
Zou, International Journal of Fluid Power, Vol. 8 (2007), p.29.

Materials and Methods Material.
This condition resulted in a lower aspect ratio, causing the deterioration of the material’s tensile properties [19].
In Journal of Paramedical Sciences (JPS) Spring (Vol. 6, Issue 2)
In Advanced Functional Materials (Vol. 28, Issue 19).
Yu et al., Dispersion stability of thermal nanofluids, Progress in Natural Science: Materials International, vol. 27, no. 5.

Experimental Instruments and Materials.
Materials: The high temperature binder which was composed of silica, boria，alumina.
Acknowledgements The authors acknowledge the National Natural Science Foundation of China(50775133) for financial support.
Aizawa: Journal of Japan Society for Precision Engineering Vol. 59(1993), p.41-45
Tanaka: Journal of Non-Crystalline Solids Vol. 82 (1986), p. 24-30

Materials and Methods Study Site.
Canadian Journal of Plant Science Vol. 1(3) (2000), p. 695-702
Journal of Shanxi Agricultural University Vol. (4) (2000), p. 356-359
Applied Mechanics and Materials Vols. 405-408 (2013), p. 2130-2133
Advanced Materials Research Vol. 773 (2013), p. 844-851

Materials and methods Particle synthesis.
A change from neutral (pH=7) to acid (pH=5) conditions was found to cause a rapid dissolution of the vaterite matrix within seconds, followed by a burst-release of the encapsulated materials.
Hosoda, Advanced Materials 14 (2002) 869-877
Sukhorukov, The Journal of Physical Chemistry.
Sukhorukov, The Journal of Physical Chemistry.

Test Materials and Test Method Test Materials.Cement: P.O 42.5, HeNan Meng Dian Cement Co., Ltd.
,The research present condition of manufactured sand and manufactured sand concrete,J.Science and technology of overseas building materials.25(2004)20-24
[3] L.H.Luo,Q.H.Zhang,Z.F.Huang, Fly ash affecting ability of concrete,J.Journal of Guangxi University(Nat Sci Ed).33(2008)55-57
Journal of Wuhan University of technology.29(2007)41-43
Journal of Chongqing Jianzhu University.24(2002)87-90.

Ahn, Metallurgical and Materials Transactions A, 29 (1998), p. 1395
Sellars, Metal Science, 18 (1984), p. 44
Lodding, Advances in Powder Metallurgy and Particulate Materials, 14-17 May, Seattle, 3 (1995), p. 10117
Brising, Scandinavian Journal of Metallurgy, 5 (1976), p.268
Loye, Journal of Alloy and Compounds, 291 (1999), p. 94

(a) (b) (c) Fig.4 (a) Microstructure of original materials (b) Microstructure of welding-zone (c) Microstructure of nugget zone under SEM Based on Tiller’ theory [9], when metal changed from solid state to liquid state, there was a negative temperature peak in solid-liquid interface and it was named as constitutional super-cooling.
(a) (b) Fig.5 (a) XRD test of original materials (b)XRD test of welding-zone Table 1 Data analysis of XRD test in welding-zone Phase PDF Value of RIR Light intensity Relative mass fraction preweld Ni2.9Cr0.7Fe0.36 #33-0945 8.89 17458 99.42% Ni-Cr-Fe #35-1375 10.76 2266 0.58% postweld Ni2.9Cr0.7Fe0.36 #33-0945 8.89 8600 92.8% Ni-Cr-Fe #35-1375 10.76 14836 7.2% Based on the data analysis of XRD test, there was no chromium depletion in welding-zone and resistance welding could guarantee the whole strength of micro-moulds.
[3] Wenmin Qu: submitted to Engineering Science and Education Journal (1999)
[6] Jian Zhuang, Tongpin Yu and Minjie Wang: submitted to Journal of Harbin of Technology (2009) in Chinese
[7] Shuping Yi, Fei Liu, Jin Zhang and Shiquan Xiong: submitted to Journal of Materials Processing Technology (2004)