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zirconia

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Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006853
EISBN: 978-1-62708-392-8
... Abstract One of the most frequently cited advantages of ceramics in dentistry relates to aesthetics, and the same applies for dental implants. Zirconia has emerged as the material of choice for nonmetal implants. This article introduces the reader to zirconia as an implant material, its...
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Published: 01 January 1989
Fig. 3 Micrograph of a fracture surface of an alumina-zirconia ceramic (Al 2 O 3 + 8% ZrO 2 ) showing the concentration of zirconia particles (the bright edges) at the alumina grain boundaries. 3000×. Courtesy of Carboloy Inc. More
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Published: 01 January 1989
Fig. 14 Use of a zirconia-alumina cloth abrasive disk to blend stainless steel seams with a portable grinding machine More
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Published: 01 January 1989
Fig. 15 Floorstand rough grinding of a casting using a zirconia-alumina resin bond wheel. Note the pressure bar used to increase the grinding rate. More
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Published: 01 January 1990
Fig. 4 Scanning electron micrograph of high-purity, zirconia-toughened alumina showing dispersed zirconia phase (white) within an alumina matrix More
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Published: 01 August 2013
Fig. 4 Plasma-sprayed yttria-stabilized zirconia on vacuum-plasma sprayed NiCrAlY. Courtesy of Drexel University More
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Published: 01 August 2013
Fig. 11 Yttria-stabilized zirconia coatings, as-coated versus postcoat heat treated More
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Published: 01 August 2013
Fig. 47 Yttria-stabilized zirconia after grinding through 600-grit papers. Original magnification: 200×. See examples of this specimen in the ground-and-polished condition (varying polishing times) in Fig. 48 , 49 , 50 , 51 , 52 , 53 , 54 . More
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Published: 01 August 2013
Fig. 48 Yttria-stabilized zirconia after 3 min polish using colloidal silica on a napless cloth at 150 rpm, 35 kPa (5 psi) per 32 mm (1 1 4 in.) mount. Original magnification: 200×. Compare with Fig. 49 , 50 , 51 , 52 , 53 , 54 . More
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Published: 01 August 2013
Fig. 64 Yttria-stabilized zirconia imaged without the use of green filtration More
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Published: 01 August 2013
Fig. 14 Nyquist plot of “good” and “ugly” yttria-stabilized zirconia coatings showing the onset of a second semicircle for high-porosity coatings. Z , impedance More
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Published: 01 August 2013
Fig. 21 Curvature measurements of plasma-sprayed yttria-stabilized zirconia coating depicting nonlinearity and hysteresis under multiple thermal cycles. Source: Ref 23 More
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Published: 01 August 2013
Fig. 10 Yttria-stabilized zirconia-base abradable SM 2395 with agglomeration and plasma densification/spheroidizing-processed ceramic powder showing smooth and spherical particle appearance More
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Published: 01 August 2013
Fig. 11 Yttria-stabilized zirconia (YSZ)-base abradable microstructures with varying porosity levels. The combination of low elastic modulus of YSZ, high melting and sintering resistance, and controllable defect and macroporosity concentrations contributes to compliant (low-stiffness) coating More
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Published: 01 January 1994
Fig. 4 Distribution of wheel temperatures in full wheel grinding of zirconia. Depth of cut, 12.5 μm; table velocity, 23.4 mm/s; wheel velocity, 32 m/s; 220-grit More
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Published: 01 January 1994
Fig. 2 Zirconia-coated magnesium-alloy rocket combustion chamber More
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Published: 01 January 1994
Fig. 3 Metal nozzle coated with alumina and zirconia More
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Published: 01 January 1994
Fig. 8 Variation in thickness of hand-sprayed alumina and zirconia coatings on steel test coupons. Coatings flame sprayed from rod. (a) Alumina on steel, 20 tests. (b) Zirconia on steel, 30 tests More
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Published: 01 January 1994
Fig. 5 Peak temperature of zirconia surface for ZrO 2 coatings as a function of coating thickness, in standard thermal cycle test of Fig. 1 (20 s cycle to 1400 °C, or 2550 °F). All samples were run at the same relative heat flux (1330 °C, or 2423 °F, on a nominal coating 1270 μm, or 50 mils More
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Published: 01 January 1994
Fig. 7 X-ray diffraction patterns of yttria-stabilized zirconia powder showing some monoclinic phase, and of a coating made from that powder. M, monoclinic phase; C, cubic phase; T, tetragonal phase; T + C, overlapping tetragonal and cubic reflection More