Junn Nakayama was a pioneer of the quantitative study of the fracture of ceramics. A physics graduate of Gakushuin University, he joined the research laboratory of the Asahi Glass Co., Ltd. in 1953. Within a decade he had developed the now-famous work-of-fracture test (Japan Journal of Applied Physics, 3[7]442(1964)). He had already applied it to the quantitative analysis of the thermal shock damage of fireclay refractories (Bulletin of the American Ceramic Society, 45[7]666(1966)) when others were just becoming cognizant of this simple, yet elegant technique. Those two studies were landmark efforts in establishing the framework for the microstructural design of improved thermal shock damage resistant refractories. The principles were subsequently extended to structural ceramics, as well as to the confirmation of the energy balance theories for thermal shock damage advanced by Hasselman.Junn Nakayama spent his entire career with the Asahi Glass Co., becoming Director of the Research Center in Yokohama and subsequently Managing Director of the Asahi Glass Foundation in Tokyo. At this Fifth Fracture Mechanics of Ceramics Symposium in July of 1991, Junn Nakayama attended the opening ceremonies at the Japan Fine Ceramics Center in Nagoya, but was not able to participate in the meeting. When introduced to the attendees, he received a standing ovation. It is with deep regret to report to you that Junn Nakayama passed away on December 14, 1991. He will always be missed, but will never be forgotten. v PREFACE These volumes, 9 and 10, of Fracture Mechanics of Ceramics constitute the proceedings of an international symposium on the fracture mechanics of ceramic materials held at the

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zlib/Physics/Mechanics: Strength of Materials/R. C. Bradt, D. P. H. Hasselman, D. Munz, M. Sakai, V. Ya. Shevchenko/Fracture Mechanics of Ceramics, Volume 10: Fracture Fundamentals, High-Temperature Deformation, Damage, and Design_2122067.pdf

Second half of the proceedings of the Fifth International Conference held in Nagoya, Japan, July 15-17, 1992

edited by R. C. Bradt, D. P. H. Hasselman, D. Munz, M. Sakai, V. Ya. Shevchenko

Springer-Verlag

Fracture Mechanics of Ceramics Ser, New York, NY :, 1992

United States, United States of America

Springer Nature, New York, NY, 2013

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Front Matter....Pages i-xi
Dissipative Processes Accompanying Fracture....Pages 1-32
Fracto-Emission from Ceramics at Cryogenic Temperatures....Pages 33-46
The Influence of the Network of Microcracks Upon the Crack Propagation Behavior Inside of Transparent Zirconia....Pages 47-58
Critical Stress of Microcracking in Alumina Evaluated by Acoustic Emission....Pages 59-72
Analysis of Precracking Parameters for Ceramic Single-Edge-Precracked-Beam Specimens....Pages 73-88
Elevated-Temperature Fracture Resistances of Monolithic and Composite Ceramics Using Chevron-Notched Bend Tests....Pages 89-107
Reliability of Ceramics Fracture Toughness Measurements by Indentation....Pages 109-118
The Indentation Fracture Resistance of Self–Reinforced Mullites....Pages 119-133
Cleavage of Ceramic and Mineral Single Crystals....Pages 135-153
Indentation Fracture of Pure and MeV Energy Ion Implanted Sapphire....Pages 155-174
Effects of Process Zone and Specimen Geometry on Fracture Toughness of Silicon Nitride Ceramic....Pages 175-189
Biaxial Compressive Strength of Silicon Nitride: New Data — Micromechanics Models....Pages 191-209
Fracture Behavior of Non-Oxide Ceramics under Biaxial Stresses....Pages 211-226
Biaxial Flexure Testing: Analysis and Experimental Results....Pages 227-245
Bending Fracture Strength of Sintered Silicon Nitride Disks with Shoulder Fillet at Room Temperature....Pages 247-259
Evidence of Plastic Deformation on Slow Crack Growth of Borate Glass....Pages 261-270
Precision Crack-Off of Ceramics....Pages 271-290
Effect of Defects and Grain Size on Strength of Mullite Ceramics....Pages 291-306
Evolution of Elastic and Mechanical Properties of Silica Aerogels During Gel-Glass Transformation....Pages 307-316
A New Theory of Non-Destructive Inspection Based on Fracture Mechanics and Fracture Statistics....Pages 317-327
A Statistical Analysis of Lifetime Predictions for Ceramics Exhibiting a Transition in Fatigue Crack Growth Behavior....Pages 329-342
McClintock’S Statistics and Strength Safety factor for Ceramics....Pages 343-347
Creep Damage Mechanisms in Structural Ceramics....Pages 349-366
High Temperature Fracture Mechanism of Gas-Pressure Sintered Silicon Nitride....Pages 367-377
Characterization of the Flexural Strength Degradation of a Commercial Hot-Pressed Silicon Nitride in a High-Temperature Sulphidizing Environment....Pages 379-390
High Temperature Failure Mechanisms of Sintered Silicon Nitride....Pages 391-406
Fracture Behavior of a Silicon Nitride Ceramic Containing a High Temperature Ductile Phase....Pages 407-425
Brittle-to-Ductile Transition in Silicon Nitride....Pages 427-440
A Generic Model for Creep Rupture Lifetime Estimation on Fibrous Ceramic Composites....Pages 441-457
Some Aspects of the Morphology and Creep Behavior of a Unidirectional Sic f -Mlas Material....Pages 459-471
Creep Rupture Map of Engineering Fine Ceramics....Pages 473-491
Observations on the Role of Cracks in the Non-Linear Deformation and Fracture Behavior of Polycrystalline Ceramics....Pages 493-507
Fracture Toughness Measurement by Indentation Fracture Method at Elevated Temperature....Pages 509-521
Effects of Exposure Time and Strain Rate on the Elevated-Temperature Tensile Strength of SiC Monofilaments....Pages 523-537
Stress-Relaxation Tests Used to Determine the Elevated-Temperature Creep Parameters of Structural Ceramics....Pages 539-553
Particle Impact Damage of Engineering Ceramics....Pages 555-578
Strength Degradation of Ceramics Caused by Residual Stress Around Impression....Pages 579-586
Evaluation and Simulation of Thermal Shock Behavior by Liquid Solder Quenching....Pages 587-604
Analysis for Strength Degradation of Indented Specimens Due to Thermal Shock....Pages 605-610
Strength Analysis of Ceramics under Mechanical and Thermal Loading....Pages 611-622
Design Methodology for Manufacturing Glass Cathode Ray Tubes....Pages 623-638
Back Matter....Pages 639-655

These volumes, 9 and 10, of Fracture Mechanics of Ceramics constitute the proceedings of an international symposium on the fracture mechanics of ceramic materials held at the Japan Fine Ceramics Center, Nagoya, Japan on July 15, 16, 17, 1991. These proceedings constitute the fifth pair of volumes of a continuing series of conferences. Volumes 1 and 2 were from the 1973 symposium, volumes 3 and 4 from a 1977 symposium, and volumes 5 and 6 from a 1981 symposium all of which were held at The Pennsylvania State University. Volumes 7 and 8 are from the 1985 symposium which was held at the Virginia Polytechnic Institute and State University. The theme ofthis conference, as for the previous four, focused on the mechanical behavior ofceramic materials in terms of the characteristics ofcracks, particularly the roles which they assume in the fracture processes and mechanisms. The 82 contributed papers by over 150 authors and co-authors represent the current state of that field. They address many of the theoretical and practical problems ofinterest to those scientists and engineers concerned with brittle fracture.

These volumes, 7 and 8, of Fracture Mechanics of Ceramics constitute the proceedings of an international symposium on the fracture mechanics of ceramic materials held at Virginia Polytechnic Institute and State University, Blacksburg, Virginia on June 19, 20 and 21, 1985.

Second half of the proceedings of the Fifth International Conference held in Nagoya, Japan, July 15-17, 1992.

2013-08-01