High T<sub>c</sub> ceramic superconductors: Introduction, background, and challenges to the electron microscopist

Davies, Peter K.

doi:10.1002/jemt.1060080303

Cited by 6 publications

(1 citation statement)

References 20 publications

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“…The details of specimen preparation are described elsewhere. 9 High temperature, uniaxial, tensile tests were carried out in air using an Instron 4505 testing machine. A single zone vertical split furnace with molybdenum disilicide elements was mounted on the crosshead of the test frame; a tensile load was applied using high density sintered alumina rods in a pin loading mechanism.…”

Section: Experimental Materials and Proceduresmentioning

confidence: 99%

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO₂)/Al₂O₃composites containing 20 -60 wt-%Al₂O₃

Tekeli¹

2002

Materials Science and Technology

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To cite this article: S. Tekeli (2002) Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO 2 )/Al 2 O 3 composites containing 20 -60 wt-%Al 2 O 3 , Materials Science and Technology, 18:1, 87-91To link to this article: http://dx.M ost materials tend to cavitate during deformation and cavitation damage is responsible for the premature failure of materials. Cavitation failure in materials occurs by the nucleation, growth, and coalescence of voids. The presence of cavities in deformed components can adversely affect their mechanical properties and lead to the degradation of in service properties. In the present study, the effect of alumina content on cavity formation during high temperature deformation in a 3YTZ P (3 mol.-% yttria stabilised Z rO 2 )/Al 2 O 3 composite has been quantitatively examined. Also, the distribution of cavity size and cavity orientation have been determined as a function of strain, strain rate, and temperature using a 3YTZP /Al 2 O 3 composite containing 20 wt-%Al 2 O 3 . It was seen from experiments that extensive internal cavities formed during high temperature deformation and the amount of cavitation increased with increasing alumina content, strain, and strain rate, and with decreasing temperature.M ST/4989

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Section: Experimental Materials and Proceduresmentioning

confidence: 99%

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO₂)/Al₂O₃composites containing 20 -60 wt-%Al₂O₃

Tekeli¹

2002

Materials Science and Technology

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Structures of Interfaces in Crystalline Solids

Finnis¹,

Rühle²

2006

Materials Science and Technology

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Methoden zur Pulverpräparation für technische Keramiken

Abicht

Völtzke

Müller

1990

Zeitschrift fuer Chemie

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Methoden zur Pulverpraparation fur technische Keramiken Ilans-Peter Siiicht*, Dieter Vbltzke, l'horrias Jt'icller il.lctrtin-Luther-Univcrsitat Halle-\Tittenberg, Sektion Chemie, 0-4010 Hallc Suiiimar y Ceranzic muterials hrwe been known f o r several thousands of yews, but a.n intensive research in the last two decades was leading to the advanced materials which are becoming established in todays technology and which are expected to form the backbone of developments to the next century. Thc properties of the ,final ceram ics are greatly predeterrrhilaated by the characteristics of the stnrting powder materials. This situation stimulated the increase of studies on preparation of taylor made powders with regard to purity, ho?nogeneity, reactivity, grain size and grain size distrihution. Starting with the classical solid state reaction (i detailed review i s given of wet chew icd preparation techniques for perovskite type materials. Briefly some physical methods of powder preparation are .tnentioned. Furthermore importcint processes accompanying the prepuratiova as drying, control of agglomeration behuviour and powder characterization are discussed, respectively. _ -Ri '-' X Eine sehr interessante und wichtigc Frege in diesem Zusammenhang ist die Untersuchung quentitativer Beziehungen zwischen der Kristallstruktur und den physikalischen Eigenschaften. Bekanntlich bewirken haufig sehr kleine Veranderungen im Kristall mit O , T~ < t < t,o.

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High T_c ceramic superconductors: Introduction, background, and challenges to the electron microscopist

Cited by 6 publications

References 20 publications

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO₂)/Al₂O₃composites containing 20 -60 wt-%Al₂O₃

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO₂)/Al₂O₃composites containing 20 -60 wt-%Al₂O₃

Structures of Interfaces in Crystalline Solids

Methoden zur Pulverpräparation für technische Keramiken

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High Tc ceramic superconductors: Introduction, background, and challenges to the electron microscopist

Cited by 6 publications

References 20 publications

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO2)/Al2O3composites containing 20 -60 wt-%Al2O3

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO2)/Al2O3composites containing 20 -60 wt-%Al2O3

Structures of Interfaces in Crystalline Solids

Methoden zur Pulverpräparation für technische Keramiken

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Product

Resources

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High T_c ceramic superconductors: Introduction, background, and challenges to the electron microscopist

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO₂)/Al₂O₃composites containing 20 -60 wt-%Al₂O₃

Cavity formation during high temperature deformation in 3YTZP (3 mol.-% yttria stabilised ZrO₂)/Al₂O₃composites containing 20 -60 wt-%Al₂O₃