Relevant bibliographies by topics / Zirconia Toughened Alumina (ZTA) heads

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Zirconia Toughened Alumina (ZTA) heads'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Zirconia Toughened Alumina (ZTA) heads"

1

Piconi, Corrado, G. Maccauro, and F. Muratori. "Alumina Matrix Composites in Arthroplasty." Key Engineering Materials 284-286 (April 2005): 979–82. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.979.

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It is well known that the introduction of zirconia into the alumina matrix has a positive effect on bending strength of the material, and especially on toughness which is the main limit of alumina ceramics. While the many attempts made in the past to develop alumina matrix composites suitable for biomedical applications containing zirconia as a toughening phase (Zirconia Toughened Alumina – ZTA) did not leave the developmental stage, recently ball heads and inlays for THR bearings made out a three phase alumina matrix composite were introduced into the market. In the alumina matrix of this mat
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Tateiwa, Toshiyuki, Elia Marin, Alfredo Rondinella, et al. "Burst Strength of BIOLOX®delta Femoral Heads and Its Dependence on Low-Temperature Environmental Degradation." Materials 13, no. 2 (2020): 350. http://dx.doi.org/10.3390/ma13020350.

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Zirconia-toughened alumina (ZTA) currently represents the bioceramic gold standard for load-bearing components in artificial hip joints. ZTA is long known for its high flexural strength and fracture toughness, both properties arising from a microscopic crack-tip shielding mechanism due to the stress-induced tetragonal-to-monoclinic (t→m) polymorphic transformation of zirconia. However, there have been concerns over the years regarding the long-term structural performance of ZTA since the t→m transformation also spontaneously occurs at the material’s surface under low-temperature environmental
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Sugano, Nobuhiko, and Giuseppe Pezzotti. "Role of Grain Size Fluctuations on the Environmental Resistance of Alumina-Zirconia Composite in Comparison with Commercially Available Monolithic Zirconia Femoral Head." Advances in Science and Technology 76 (October 2010): 235–39. http://dx.doi.org/10.4028/www.scientific.net/ast.76.235.

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Raman microprobe spectroscopy and atomic force microscopy (AFM) were systematically used to characterize the surface of an advanced alumina/zirconia composite (henceforth also referred to as zirconia toughened alumina, ZTA), in comparison with a commercially available femoral head made of monolithic zirconia. Experiments were conducted before and after in vitro exposure in water moist environment up to 100 h. Both materials contained zirconia partly stabilized with yttria. Tetragonal-to-monoclinic phase transformation, which was quantitatively characterized by confocal Raman spectroscopy as a
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Yorifuji, Makiko, Saverio Affatato, Toshiyuki Tateiwa, et al. "Wear Simulation of Ceramic-on-Crosslinked Polyethylene Hip Prostheses: A New Non-Oxide Silicon Nitride versus the Gold Standard Composite Oxide Ceramic Femoral Heads." Materials 13, no. 13 (2020): 2917. http://dx.doi.org/10.3390/ma13132917.

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The purpose of the present study was to compare the wear behavior of ceramic-on-vitamin-E-diffused crosslinked polyethylene (Vit-E XLPE) hip bearings employing the gold standard oxide ceramic, zirconia (ZrO2)-toughened alumina (Al2O3) (ZTA, BIOLOX®delta) and a new non-oxide ceramic, silicon nitride (Si3N4, MC2®). In vitro wear test was performed using a 12-station hip joint simulator. The test was carried out by applying the kinematic inputs and outputs as recommended by ISO 14242-1:2012. Vitamin-E-diffused crosslinked polyethylene (Vit-E XLPE) acetabular liners (E1®) were coupled with Ø28-mm
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Rondinella, Alfredo, Elia Marin, Brian J. McEntire, et al. "Bioceramics are Not Bioinert: The Role of Oxide and Non-Oxide Bioceramics on the Oxidation of UHMWPE Components in Artificial Joints." Key Engineering Materials 782 (October 2018): 165–75. http://dx.doi.org/10.4028/www.scientific.net/kem.782.165.

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The following research is aimed at understanding the influence of Zirconia-Toughened Alumina (ZTA) and Silicon Nitride (Si3N4) on Ultra-High Molecular Weight Polyethylene (UHMWPE) acetabular liners. Bioceramic femoral heads were systematically tested against UHMWPE in controlled environment according to static/load-free coupling in hydrothermal environment, pin-on-ball wear testing, and hip-simulator wear testing. In addition, a retrieved ZTA femoral head has been analyzed and results have been compared to the simulations. Experimental results from X-ray photoelectron (XPS), cathodoluminescenc
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Wang, J., and R. Stevens. "Zirconia-toughened alumina (ZTA) ceramics." Journal of Materials Science 24, no. 10 (1989): 3421–40. http://dx.doi.org/10.1007/bf02385721.

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Nakanishi, Takefumi, Megumi Sasaki, Junji Ikeda, Fumiaki Miyaji, and Makoto Kondo. "Mechanical and Phase Stability of Zirconia Toughened Alumina." Key Engineering Materials 330-332 (February 2007): 1267–70. http://dx.doi.org/10.4028/www.scientific.net/kem.330-332.1267.

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The JMM-ZTA, a kind of zirconia-toughened alumina, is a bearing ceramic newly developed for artificial joints. Although it has already been reported that mechanical strength and fracture toughness are higher in the JMM-ZTA than in alumina, the stability of the JMM-ZTA has not been studied in detail yet. In the present study, the stability of the JMM-ZTA with respect to mechanical strength and crystalline phases was examined under hydrothermal environment, and the results were compared with those of alumina. Both the 4-point bending strength and the fraction of monoclinic zirconia unchanged eve
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Nakanishi, Takefumi, Kunihide Shikata, Yu Cong Wang, Mikio Iwamoto, and Makoto Kondo. "The Characteristics of the New Ceramic Material for Artificial Joints." Key Engineering Materials 309-311 (May 2006): 1235–38. http://dx.doi.org/10.4028/www.scientific.net/kem.309-311.1235.

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A new zirconia-toughened alumina ceramic (JMM-ZTA) for a ceramic-on-ceramic hip replacement has been developed. The JMM-ZTA has a fracture toughness superior to zirconia, and the JMM-ZTA/JMM-ZTA combination has superior wear-resistant performance to alumina/alumina. Moreover, the JMM-ZTA shows an excellent crystalline phase stability. Therefore, the JMM-ZTA is believed to be useful for artificial hip prostheses.
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Ikeda, Junji, Megumi Mabuchi, Takefumi Nakanishi, Fumiaki Miyaji, Masaru Ueno, and Giuseppe Pezzotti. "Phase Stability and Fracture Toughness of Zirconia Toughened Alumina for Joint Replacement." Key Engineering Materials 361-363 (November 2007): 767–70. http://dx.doi.org/10.4028/www.scientific.net/kem.361-363.767.

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As for zirconia toughened alumina (ZTA) with various ratios of alumina/zirconia, crystal and micro structures, fracture toughness and phase stability were evaluated by X-ray diffraction, Raman spectroscopy, and aging test in hydrothermal environment. The grain size and monoclinic fraction of zirconia phase and residual stress in alumina matrix changed as a function of zirconia content. The ZTA showed higher fracture toughness than conventional alumina. The fracture toughness of ZTA was highest at which the content of tetragonal zirconia was maximum. The monoclinic fraction of ZTA did not incre
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Rejab, Nik Akmar, Nurul Khairunnisa Su, Wan Fahmin Faiz Wan Ali, Mohd Fadzil Ain, Zainal Arifin Ahmad, and Norazharuddin Shah Abdullah. "Structural Characteristic and Dielectric Properties of Zirconia Toughened Alumina." Materials Science Forum 1010 (September 2020): 250–55. http://dx.doi.org/10.4028/www.scientific.net/msf.1010.250.

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Zirconia toughened alumina (ZTA) has shown a great effect in the cutting tool application due to its high hardness and comparable fracture toughness. However, the capability of the materials to be applied in as the dielectric resonator antenna (DRA) is not being discussed in detail. In this study, an attempt is made to further explore the potential of ZTA to be applied in DRA. Various related characterization techniques were applied that is subjected to DRA properties. The addition of CeO2 (0 wt.% to 15 wt.%) on ZTA has been pressed into pellets shape and sintered at 1600 °C for 2 hours under
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Dissertations / Theses on the topic "Zirconia Toughened Alumina (ZTA) heads"

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Said, Assma Musbah. "Friction and lubrication behaviour of metal-on-metal and ZTA ceramic-on-CFR PEEK hip prostheses : friction and lubrication behaviour of metal-on-metal hip resurfacing and ZTA ceramic heads versus CFR PEEK cups with various diameters and clearances using serum-based lubricants with various viscosities." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/6339.

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The natural hip joint in healthy people has a very low friction with very little (or no) wear. It works as a dynamically loaded bearing and is subjected to about 1-2 million cycles of loading per year. The applied load is the body weight which is tripled when walking and even higher during other activities such as running and jumping. Unfortunately these joints are not always healthy due to various causes such as fractures or disease leading to severe pain which necessitates joint replacement. Currently, the orthopaedic industries are working towards developing an ideal artificial hip joint wi
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Ehmaida, Mutyaa M. "Friction and lubrication behaviour of hip resurfacing metal-on-metal and ZTA ceramic on CFR peek implants with various diameters and clearances : friction and lubrication behaviour of hip resurfacing Co-Cr-Mo and zirconia toughened alumina ceramic heads against carbon fibre reinforced poly-ether-ether-ketone cups with various diameters and clearances have been investigated using serum-based lubricants." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5665.

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Total hip joint prostheses made of CoCrMo heads versus ultra high molecular weight polyethylene (UHMWPE) cups have a limited lifetime, mainly due to the wear of the UHMWPE cups as a result of high friction between the articulating surfaces leading to osteolysis and implant loosening with revision surgery becoming inevitable in more active patients. Tribology plays an important role in developing the design, minimizing wear and reducing friction of hip joint prostheses in order to improve their long-term performance, with good lubricating properties. Metal-on-metal hip resurfacing prostheses ha
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Sequeira, Sara Raquel Marques. "Development of zirconia composites for orthopedic." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/21527.

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Mestrado em Materiais e Dispositivos Biomédicos<br>Zircónia e alumina são biocerâmicos bastante conhecidos, e são usados principalmente em aplicações ortopédicas. Estes materiais têm sido aplicados em implantes de anca e joelho graças à reduzida taxa de desgaste e à excelente biocompatibilidade que apresentam. No entanto, estes cerâmicos apresentam também algumas limitações: a fragilidade da alumina ao impacto e a sensibilidade da zircónia ao envelhecimento. Devido a estas limitações, o objectivo passou por desenvolver implantes mais resistentes e com uma resposta inflamatória menos intensa. S
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Book chapters on the topic "Zirconia Toughened Alumina (ZTA) heads"

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Balakrishnan, A., M. C. Chu, B. B. Panigrahi, et al. "Surface Strengthening of Zirconia Toughened Alumina (ZTA) Using Glass Infiltration Technique." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-31-0.695.

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Beranič Klopčič, Sabina, Sasa Novak, Tomaž Kosmač, H. G. Richter, and S. Hecht-Mijic. "The Preparation and Properties of Functionally Graded Alumina/Zirconia-Toughened Alumina (ZTA) Ceramics for Biomedical Applications." In Fractography of Advanced Ceramics II. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-973-3.348.

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Hasan, M. M., and F. Islam. "Effect of Sintering Temperature and Time on Microstructure and Properties of Zirconia Toughened Alumina (ZTA)." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470599730.ch28.

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Begand, Sabine, Thomas Oberbach, and Wilfried Glien. "Mechanical Properties of Hip Joint Heads Made of the Dispersion Ceramic - Alumina Toughened Zirconia." In Bioceramics 18. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-992-x.1257.

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Conference papers on the topic "Zirconia Toughened Alumina (ZTA) heads"

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Robertson, Taylor, Xiao Huang, and Richard Kearsey. "Mullite Whisker Reinforced Zirconia Toughened Alumina for High Temperature Applications." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25590.

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Particulate enhanced oxide ceramics are an attractive class of materials for high temperature applications because they possess many of the high temperature capabilities of monolithic ceramics but also have enhanced mechanical properties due to their multi-phase structure. High temperature structural ceramics have the potential to operate above at higher temperatures than current super alloys; however, processing costs and lack of reliability has prevented their commercialization. In this work a particulate reinforced ceramic composed entirely of oxides is proposed as a more oxidation resistan
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Naga, S., M. Awaad, and A. Hassan. "The Influence of 0.75 Wt% Ta2O5 and Nb2O5 Doping on the Properties of Zirconia-Toughened-Alumina (ZTA) Composites." In MS&T17. MS&T17, 2017. http://dx.doi.org/10.7449/2017/mst_2017_844_850.

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Naga, S., M. Awaad, and A. Hassan. "The Influence of 0.75 Wt% Ta2O5 and Nb2O5 Doping on the Properties of Zirconia-Toughened-Alumina (ZTA) Composites." In MS&T17. MS&T17, 2017. http://dx.doi.org/10.7449/2017mst/2017/mst_2017_844_850.

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Teow, Hsien Loong, Siva Kumar Sivanesan, and Se Yong Eh Noum. "Densification behaviour and mechanical properties of CuO doped zirconia-toughened alumina (ZTA) composites prepared by two-stage sintering." In 13TH INTERNATIONAL ENGINEERING RESEARCH CONFERENCE (13TH EURECA 2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001623.

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Erazo, Fabian, Taylor Robertson, Xiao Huang, Rick Kearsey, and Qi Yang. "Erosion Properties of Ceramic Composite Material Based on Nano-Mullite Whisker and Zirconia-Toughened Alumina." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63736.

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The improvement of bulk ceramic properties through the addition of a secondary or even tertiary phase is a field of research that has been actively pursued since the mid twentieth century. This pursuit has become more relavent with the adoption of ceramic phases to protect structural components within the hotpath of gas turbines. Improving the properties of these ceramic coatings and tiles has the potential of reducing catastrophic damage events leading to an overall reduction in unplanned maintence and downtime. To date, Several approaches have been undertaken to improve the physical properti
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Hu, Yingbin, Hui Wang, Yuanchen Li, Fuda Ning, and Weilong Cong. "Surface Grinding of ZTA Parts Fabricated by Laser Engineered Net Shaping Process: Effects of ZrO2 Content and Ultrasonic Vibration." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6663.

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The zirconia toughened alumina (ZTA) parts fabricated by laser engineered net shaping (LENS) process demonstrate problems resulted from poor surface quality. To improve surface quality and to reduce related problems, rotary ultrasonic machining (RUM) process, which combines both grinding process and ultrasonic machining process, has been introduced. In this investigation, the effects of ZrO2 content and ultrasonic vibration on flatness, surface roughness, microhardness, and cutting force in feeding direction of LENS-fabricated ZTA parts have been studied. Results showed that with the ZrO2 cont
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Teow, Hsien Loong, Siva Kumar Sivanesan, and Se Yong Eh Noum. "Effect of Fe2O3 on the densification behaviour and mechanical properties of zirconia-toughened alumina (ZTA) composites prepared by two-stage sintering." In 13TH INTERNATIONAL ENGINEERING RESEARCH CONFERENCE (13TH EURECA 2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001622.

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