NDLI: Fracture toughness and reliability in high-temperature structural ceramics and composites: Prospects and challenges for the 21st century

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Papers presented at the “International conference on fatigue and fracture of glasses, ceramics and composites”, materials research society of India, Kolkata, September 1999 : Foreword

Some numerical approaches of creep, thermal shock, damage and delayed failure of ceramics and refractories

Effect of zirconia addition on the fatigue behaviour of fine grained alumina

Indentation fatigue in silicon nitride, alumina and silicon carbide ceramics

Fracture resistance of 8 mol% yttria stabilized zirconia

Fracture toughness and reliability in high-temperature structural ceramics and composites: Prospects and challenges for the 21st century

Mechanical characteristics of microwave sintered silicon carbide

Mechanical characterization of microwave sintered zinc oxide

Effect of alkali treated jute fibres on composite properties

Behaviour ofE-glass fibre reinforced vinylester resin composites under impact fatigue

Failure analysis of multiple delaminated composite plates due to bending and impact

Mechanical properties of very thin cover slip glass disk

Cracking phenomena in lithium-di-silicate glass ceramics

Critical fatigue behaviour in brittle glasses

Stress relaxation and estimation of activation volume in a commercial hard PZT piezoelectric ceramic

Effect of stress ratio and frequency on fatigue crack growth rate of 2618 aluminium alloy silicon carbide metal matrix composite

Particle fracture and plastic deformation in vanadium pentoxide powders induced by high energy vibrational ball-mill

Study of indentation induced cracks in MoSi$_{2}$-reaction bonded SiC ceramics

Stereological characterization of crack path transitions in ceramic matrix composites

Densification and mechanical properties of mullite-SiC nanocomposites synthesized through sol-gel coated precursors

Mechanical properties of glass polymer multilayer composite

Crack propagation studies and bond coat properties in thermal barrier coatings under bending

Macroporous silica-alumina composites with mesoporous walls

High temperature flow behaviour of SiC reinforced lithium aluminosilicate composites

Effect of filler addition on the compressive and impact properties of glass fibre reinforced epoxy

A detailed model for defect concentration and dopant activation in GaAs

Study of fatigue behaviour of 7475 aluminium alloy

Catalytic activity of polymer-bound Ru(III)-EDTA complex

Studies on compensating valency substituted BaTi$_{(1−x)}$Mn$_{ x/2}$Nb$_{ x/2}$O$_{3}$ ceramics

Thermal behaviour of strontium tartrate single crystals grown in gel

Analysis of corrosive environmental factors of seabed sediment

Bulletin of Materials Science : Volume 24, Issue 1, February 2001

Bulletin of Materials Science : Volume 24, Issue 6, January 2001

Bulletin of Materials Science : Volume 23

Bulletin of Materials Science : Volume 22

Bulletin of Materials Science : Volume 21

Bulletin of Materials Science : Volume 20

Fracture toughness and reliability in high-temperature structural ceramics and composites: Prospects and challenges for the 21st century

Content Provider	Springer Nature Link
Author	Dutta, Sunil
Copyright Year	2001
Abstract	The importance of high fracture toughness and reliability in Si$_{3}$N$_{4}$, and SiC-based structural ceramics and ceramic matrix composites is reviewed. The potential of these ceramics and ceramic matrix composites for high temperature applications in defence and aerospace applications such as gas turbine engines, radomes, and other energy conversion hardware have been well recognized. Numerous investigations were pursued to improve fracture toughness and reliability by incorporating various reinforcements such as particulate-, whisker-, and continuous fibre into Si$_{3}$N$_{4}$ and SiC matrices. All toughening mechanisms, e.g. crack deflection, crack branching, crack bridging, etc essentially redistribute stresses at the crack tip and increase the energy needed to propagate a crack through the composite material, thereby resulting in improved fracture toughness and reliability. Because of flaw insensitivity, continuous fibre reinforced ceramic composite (CFCC) was found to have the highest potential for higher operating temperature and longer service conditions. However, the ceramic fibres should display sufficient high temperature strength and creep resistance at service temperatures above 1000°C. The greatest challenge to date is the development of high quality ceramic fibres with associate coatings able to maintain their high strength in oxidizing environment at high temperature. In the area of processing, critical issues are preparation of optimum matrix precursors, precursor infiltration into fibre array, and matrix densification at a temperature, where grain crystallization and fibre degradation do not occur. A broad scope of effort is required for improved processing and properties with a better understanding of all candidate composite systems.
Starting Page	117
Ending Page	120
Page Count	4
File Format	PDF
ISSN	02504707
Journal	Bulletin of Materials Science
Volume Number	24
Issue Number	2
e-ISSN	09737669
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-01-01
Publisher Institution	Indian Academy of Sciences
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CFCC toughening fracture toughness β-Si$_{3}$N$_{4}$ Materials Science Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science

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Fracture toughness and reliability in high-temperature structural ceramics and composites: prospects and.

Fracture toughness and reliability in high-temperature structural ceramics and composites: prospects and challenges for the 21st century

Preparation of Si$_{3}$N$_{4}$–ZrO$_{2}$ ceramic composites by self-propagating high-temperature synthesis

Effect of notch-root radius on the fracture toughness of composite Si$_{3}$N$_{4}$ ceramics

Toughening Mechanism for Ceramics by a Ductile Metallic Phase

Preform-based toughening technology for RTMable high-temperature aerospace composites

High temperature strength at 1773 K and room temperature fracture toughness of Nb$_{ss}$/Nb$_{5}$Si$_{3}$ in situ composites alloyed with Mo

Spark Plasma Sintering of α/β Si$_{3}$N$_{4}$ Ceramics with MgO-Al$_{2}$O$_{3}$ and MgO-Y$_{2}$O$_{3}$ as Sintering Additives

High-temperature dielectric and microwave absorption properties of Si$_{3}$N$_{4}$–SiC/SiO$_{2}$ composite ceramics

Fracture toughness and reliability in high-temperature structural ceramics and composites: Prospects and challenges for the 21st century

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Preparation of Si$_{3}$N$_{4}$–ZrO$_{2}$ ceramic composites by self-propagating high-temperature synthesis

Effect of notch-root radius on the fracture toughness of composite Si$_{3}$N$_{4}$ ceramics

Toughening Mechanism for Ceramics by a Ductile Metallic Phase

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High temperature strength at 1773 K and room temperature fracture toughness of Nb$_{ss}$/Nb$_{5}$Si$_{3}$ in situ composites alloyed with Mo

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