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Online since: March 2015
Authors: Iulian Antoniac, Ioan Cristescu, Daniel Vilcioiu, Florin Safta
Analysis of centromedullary nailing with implant failure
Ioan Cristescu1a, Iulian Antoniac2b, Daniel Vilcioiu1c*, Florin Safta1d
1Floreasca Emergency Hospital, Orthopaedic Department, Bucharest, Romania
2 University Politehnica of Bucharest, Faculty Materials Science and Engineering, Bucharest, Romania
aioancristescu@yahoo.com, bantoniac.iulian@gmail.com,
cdaniel.vilcioiu@gmail.com, dfl.safta@yahoo.com
Keywords: implant failure, long bones fractures, centromedullary nailing
Abstract.
Material and methods We present a study on 8 patients with long bones fractures surgically treated initially with centromedullary nailing, which needed revision surgery after metallic implant failure.
[3] Bhat A.K., Rao S.K., Bhaskaranand K., Mechanical failure in intramedullary interlocking nails, Journal of Orthopaedic Surgery, 2006; 14(2):138-41
[7] Bane M., Miculescu F., Blajan A.I., Dinu M., Antoniac I., Failure analysis of some retrieved orthopedic implants based on materials characterization, Solid State Phenomena,Vol.188, 114-117, 2012
Material and methods We present a study on 8 patients with long bones fractures surgically treated initially with centromedullary nailing, which needed revision surgery after metallic implant failure.
[3] Bhat A.K., Rao S.K., Bhaskaranand K., Mechanical failure in intramedullary interlocking nails, Journal of Orthopaedic Surgery, 2006; 14(2):138-41
[7] Bane M., Miculescu F., Blajan A.I., Dinu M., Antoniac I., Failure analysis of some retrieved orthopedic implants based on materials characterization, Solid State Phenomena,Vol.188, 114-117, 2012
Online since: January 2015
Authors: Vladimir Pichugin, Valentina Sokhoreva, Ekaterina Bosykh
Preparation and carrying out experiment terials
The main objective in creating a semipermeable membrane is the searching for biocompatible materials which due to its structure could have the necessary conditions.
These ions induce latent narrow tracks through the entire thickness of the polymeric material.
Subsequent selective etching can remove these defective areas and receive the porous material with nano pores density from 106 cm-2 to 109 cm-2.
Acknowledgement The study is financially supported by the Ministry of Education and Science of the Russian Federation, Project No. 1750 on 2014-2016.
Sigfusson, Obtaning of a polymeric electrolyte membrane a fuel cell using method of radiation- chemical processing of PVDF film, Russian Physics Journal (in Russian), v. 54, 11/3 (2003), 120-125.
These ions induce latent narrow tracks through the entire thickness of the polymeric material.
Subsequent selective etching can remove these defective areas and receive the porous material with nano pores density from 106 cm-2 to 109 cm-2.
Acknowledgement The study is financially supported by the Ministry of Education and Science of the Russian Federation, Project No. 1750 on 2014-2016.
Sigfusson, Obtaning of a polymeric electrolyte membrane a fuel cell using method of radiation- chemical processing of PVDF film, Russian Physics Journal (in Russian), v. 54, 11/3 (2003), 120-125.
Online since: January 2013
Authors: Jun Xia Liu
Materials and methods
A.
These starting materials were used for all further studies.
Rice Husk Ash as a Supplementary Raw Material for the Production of Cellulose-Cement Composites with Improved Performance.
Journal of Therrmal Analysis and Calorimetry.Vol. 93 (2008) 2,387-396
Ecology and Environmental Sciences 2011, 20(1): 154-159 [5] Pradyut Kundu·Arnab Pramanik·Sayani Mitra·Jayanta Debabrata Choudhury Joydeep Mukherjee·Somnath Mukherjee.
These starting materials were used for all further studies.
Rice Husk Ash as a Supplementary Raw Material for the Production of Cellulose-Cement Composites with Improved Performance.
Journal of Therrmal Analysis and Calorimetry.Vol. 93 (2008) 2,387-396
Ecology and Environmental Sciences 2011, 20(1): 154-159 [5] Pradyut Kundu·Arnab Pramanik·Sayani Mitra·Jayanta Debabrata Choudhury Joydeep Mukherjee·Somnath Mukherjee.
Online since: August 2014
Authors: Lenka Blinová, Maroš Soldán, Jozef Fiala, Marcel Kuracina
Thermography diagnostics of photovoltaic panels
Jozef Fiala 1,a, Marcel Kuracina 1,b, Lenka Blinová 1,c, Maroš Soldán 1,d
1 Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Safety and Environmental Engineering, 49 Botanicka Street, 917 24 Trnava, Slovak Republic
ajozef.fiala@stuba.sk, bmarcel.kuracina@stuba.sk, clenka.blinova@stuba.sk, dmaros.soldan@stuba.sk
Keywords: photovoltaic, thermography, thermal imagers
Abstract.
Malfunctions, material and insulation defects can be detected easily and fast without complicated proceedings.
Fiala et al., (2013): Study of Hydrogen Production Using Photovoltaic, Applied Mechanics and Materials, Vol. 291-294, p.593 [3] J.
Gasteratos (2013): Fault diagnosis of photovoltaic modules through image processing and Canny edge detection on field thermographic measurements, International Journal of Sustainable Energy, DOI:10.1080/14786451.2013.826223 [4] Thermal imaging guidebook for building and renewable energy applications, FLIR Systems AB (2011), Information on: http://www.flir.com/uploadedFiles/Thermography/MMC/Brochures/ T820325/T820325_APAC.pdf [5] Spagnolo, G.S. et al., (2012) A review of IR thermography applied to PV systems. 11th International Conference on Environment and Electrical Engineering, EEEIC 2012 - Conference Proceedings.
Malfunctions, material and insulation defects can be detected easily and fast without complicated proceedings.
Fiala et al., (2013): Study of Hydrogen Production Using Photovoltaic, Applied Mechanics and Materials, Vol. 291-294, p.593 [3] J.
Gasteratos (2013): Fault diagnosis of photovoltaic modules through image processing and Canny edge detection on field thermographic measurements, International Journal of Sustainable Energy, DOI:10.1080/14786451.2013.826223 [4] Thermal imaging guidebook for building and renewable energy applications, FLIR Systems AB (2011), Information on: http://www.flir.com/uploadedFiles/Thermography/MMC/Brochures/ T820325/T820325_APAC.pdf [5] Spagnolo, G.S. et al., (2012) A review of IR thermography applied to PV systems. 11th International Conference on Environment and Electrical Engineering, EEEIC 2012 - Conference Proceedings.
Online since: March 2014
Authors: Ji Chang Wang, Ya Bei Shi
The heat treatment mark independence from the OPITZ system of Materials and Heat Treatment code.
Table 1 Part Family Features and applications Part family type Similar characteristics Application Design family Parts feature,Geometry,Material, Forming Method,processing features Parts pattern retrieval, Rationalization and standardization of design Processing family Part geometry,Materials Processing, Blank Type,Processing size, Processing equipment,process equipment Group Manufacturing, CAM Equipment layout,Process design group NC family Classification by CNC machining similarity Similar characteristics is the same with NC family NC machine tools rationalization Simplify CNC programming Limits the diversity of programming Reduce the types of cutting tools Management family GT production organization, Batch, Manufacturing instructions residence time, Tooling kind letter complex procedures complexity degree of the manufacturing process GT Production Management Reasonable arrangements action plan Compensate alternative proposed computer-aided management systems Coding
Journal of Qingdao Agricultural University(Natural Science),2010.3(244-247)
Table 1 Part Family Features and applications Part family type Similar characteristics Application Design family Parts feature,Geometry,Material, Forming Method,processing features Parts pattern retrieval, Rationalization and standardization of design Processing family Part geometry,Materials Processing, Blank Type,Processing size, Processing equipment,process equipment Group Manufacturing, CAM Equipment layout,Process design group NC family Classification by CNC machining similarity Similar characteristics is the same with NC family NC machine tools rationalization Simplify CNC programming Limits the diversity of programming Reduce the types of cutting tools Management family GT production organization, Batch, Manufacturing instructions residence time, Tooling kind letter complex procedures complexity degree of the manufacturing process GT Production Management Reasonable arrangements action plan Compensate alternative proposed computer-aided management systems Coding
Journal of Qingdao Agricultural University(Natural Science),2010.3(244-247)
Online since: January 2015
Authors: Marta Kianicova, Jaroslav Trník
Time schedule of oxidation test
Material
MAR-M247
MAR-M247 + Al
Mar-M247 + SiAl
Cycle/Time
0
1
2
3
4
5
6
0
1
2
3
4
5
6
0
1
2
3
4
5
6
0c/0 h
2c/46 h
4c/92 h
6c/138 h
8c/184 h
18c/414 h
28c/644 h
38c/874 h
Analyses of samples
After 23 hours oxidation test was carried out analyses of samples by scanning electron microscope Hitachi S-3400N.
Bose, High Temperature Coatings, Elsevier Science & Technology Books, ASM Handbook: Failure Analysis and Prevention 11 (2002) 232
Mendala, Advanced materials and protective coatings in aero-engines application, Journal of Achievements in Materials and Manufacturing Engineering 24 (1) (2007) 372-381.
Bose, High Temperature Coatings, Elsevier Science & Technology Books, ASM Handbook: Failure Analysis and Prevention 11 (2002) 232
Mendala, Advanced materials and protective coatings in aero-engines application, Journal of Achievements in Materials and Manufacturing Engineering 24 (1) (2007) 372-381.
Online since: February 2013
Authors: De Qiang Chang, Ning Mao, Jing Xian Liu, Bao Zhi Chen
But research on the thermal stability of filter media material itself has not been reported.
Proceedings of 2010(Shenyang) International Colloquium on Safety Science and Technology [C].
[4] Winyu Tanthapanichakoon, Masami Furuuchi, Koh-hei Nitta, Mitsuhiko Hata, Shigehisa Endoh, Yoshio Otani, Degradation of semi-crystalline PPS bag-filter materials by NO and O2 at high temperature, Polymer Degradation and Stability, Vol.91,pp.637-1644, 2006 [5] Winyu Tanthapanichakoon, Mitsuhiko Hata,Koh-hei Nitta, Masami Furuuchi, Yoshio Otani.
Mechanical degradation of filter polymer materials: Polyphenylene sulfide.
Journal of Textile Research.Vol.31,pp.4-8,2010
Proceedings of 2010(Shenyang) International Colloquium on Safety Science and Technology [C].
[4] Winyu Tanthapanichakoon, Masami Furuuchi, Koh-hei Nitta, Mitsuhiko Hata, Shigehisa Endoh, Yoshio Otani, Degradation of semi-crystalline PPS bag-filter materials by NO and O2 at high temperature, Polymer Degradation and Stability, Vol.91,pp.637-1644, 2006 [5] Winyu Tanthapanichakoon, Mitsuhiko Hata,Koh-hei Nitta, Masami Furuuchi, Yoshio Otani.
Mechanical degradation of filter polymer materials: Polyphenylene sulfide.
Journal of Textile Research.Vol.31,pp.4-8,2010
Online since: July 2011
Authors: Xiao Na Li, Yuan Ding, Tong Chun Li
Main materials used in the calculation are foundation soil, concrete and steel.
Table 1.Material parameters Name gray sandy silt gray mucky silty clay gray sandy silt gray silty clay sage green-straw yellow sandy silt straw yellow silt concrete Materials density(kg/m3) Poisson's ratio Elastic modulus(MPa) 1880 0.250 10.00 1760 0.250 3.33 1830 0.250 14.94 1770 0.250 5.81 1870 0.250 33.20 1900 0.250 41.50 2500 0.167 30000.00 The Results of the Internal Force Analysis.
[2] Tongchun Li, Zhaowang Wen:Journal of Hydroelectric Engineering Vol.4(2002), p. 18-24, in Chinese
[4] Xin Wang, Tongchun Li, Lei Xing:South-to-North Water Transfers and Water Science & Technology Vol.6(2008), p. 9-11, in Chinese.
Table 1.Material parameters Name gray sandy silt gray mucky silty clay gray sandy silt gray silty clay sage green-straw yellow sandy silt straw yellow silt concrete Materials density(kg/m3) Poisson's ratio Elastic modulus(MPa) 1880 0.250 10.00 1760 0.250 3.33 1830 0.250 14.94 1770 0.250 5.81 1870 0.250 33.20 1900 0.250 41.50 2500 0.167 30000.00 The Results of the Internal Force Analysis.
[2] Tongchun Li, Zhaowang Wen:Journal of Hydroelectric Engineering Vol.4(2002), p. 18-24, in Chinese
[4] Xin Wang, Tongchun Li, Lei Xing:South-to-North Water Transfers and Water Science & Technology Vol.6(2008), p. 9-11, in Chinese.
Online since: January 2013
Authors: Jian Xiong, Bin Chu, Rong Wei Tan, Wei Huang, Zhen Ding She, Ming Bo Wang
The materials for bone repair can be prepared in accordance with the clinical parameters to obtain personalized size and structure without adjusting materials before use in convenient clinical application.The proficient technology guarantees that it can produce bone scaffold materials with uniform structure and stable properties.
Materials and Methods Materials.
The cytotoxicity of the materials is determined by relative growth rate (RGR).
It is a good choice to add bone growth factors into materials to overcome the lack of osteogenic activity of the artificial bone material[19].
Materials Science and Engineering: C, 2006. 26(8): p. 1289-1295 [7] Kricheldorf, H.R., Syntheses and application of polylactides.
Materials and Methods Materials.
The cytotoxicity of the materials is determined by relative growth rate (RGR).
It is a good choice to add bone growth factors into materials to overcome the lack of osteogenic activity of the artificial bone material[19].
Materials Science and Engineering: C, 2006. 26(8): p. 1289-1295 [7] Kricheldorf, H.R., Syntheses and application of polylactides.
Online since: November 2012
Authors: Ling Fei Fan, Di Fan, Juan Wang
The major parts of the patented wastewater treatment equipment were composed of center cylinder filled with micro-electrolysis medium materials (iron/carbon volume ratio was 1.5:1), outside cylinder filled with compound filtering materials around the center cylinder (upper layer was carbon fiber, lower layer was biological zeolite) and the aerators installed on the bottom of compound filtering materials and biological zeolite respectively.
The wastewater first entered the upper of the center cylinder, then flowing downward through micro-electrolysis medium materials and finally flowing upward through compound filtering materials from biological zeolite to carbon fiber.
The reason can be explained that the chromaticity removal rate was largely depended on the quantity of micro-electrolysis materials, with the increased proportion of biological filling element, resulting in decreased proportion of micro-electrolysis materials and chromaticity removal rate.
Acknowledgements This work was supported by Qingdao Science and Technology Bureau under the scientific research funded projects (No.09-1-3-178-hz).
Environment engineering journal.(2007)P.315, In Chinese
The wastewater first entered the upper of the center cylinder, then flowing downward through micro-electrolysis medium materials and finally flowing upward through compound filtering materials from biological zeolite to carbon fiber.
The reason can be explained that the chromaticity removal rate was largely depended on the quantity of micro-electrolysis materials, with the increased proportion of biological filling element, resulting in decreased proportion of micro-electrolysis materials and chromaticity removal rate.
Acknowledgements This work was supported by Qingdao Science and Technology Bureau under the scientific research funded projects (No.09-1-3-178-hz).
Environment engineering journal.(2007)P.315, In Chinese