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Meeting MS&T22: Materials Science & Technology
Symposium 50 Years of Characterizing Structural Ceramics and Glasses: Recognizing the Contributions of George Quinn
Presentation Title Fractal Analysis of Brittle Fracture and Crack Branching
Author(s) John J. Mecholsky, Daniel DeLellis, Nicholas Mecholsky
On-Site Speaker (Planned) John J. Mecholsky
Abstract Scope Fracture surfaces of materials that fail in a brittle manner have been shown to be fractal. Crack branching patterns have also shown to be fractal. However, the two conditions are not the same. The fractal dimension of the fracture surface is independent of the strength and dependent on the fracture toughness. The crack branching pattern is a function of the strength. I will demonstrate that there is a relationship between the two situations of fractal character. George Quinn has been involved with identifying the crack branching patterns along with clarifying crack branching angles in the literature. I will show his contribution to understanding of the difference between fracture surface fractal dimension and the fractal character of crack branching.
Proceedings Inclusion? Undecided


A Quintessential Standards Writer and the Tangible Benefits of Standards
Advanced Proof Testing for Structural Ceramics
Coating Effect on Vial Crack Response
Failure Analysis of a Large SiC Component
Fractal Analysis of Brittle Fracture and Crack Branching
Interpretation of ZerodurŪ Strength Data
Observations in Fracture Toughness Testing of Glasses and Optical Ceramics
On the 3rd Edition of the NIST Guide to Fractography of Ceramics and Glasses
On the Controversies during the Creation of Flexure Strength Standards MIL STD 1942 and ASTM C 1161
On the Elastic Isotropy of the Entropy-stabilized Oxide (Mg, Co, Ni, Cu, Zn)O Compound
Sectored-flexural and Rotational-Flexural-strength Testing of Brittle Material Cylinders and Tubes
Static and Dynamic Compression Strength of Ceramics and Glasses

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