Jeffrey J. Swab
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View article: Does a relationship exist between hardness and compression strength for advanced ceramics?
Does a relationship exist between hardness and compression strength for advanced ceramics? Open
The Knoop hardness (HK) and compression strength ( σ c ) of 23 advanced ceramics were measured to determine if an overarching HK/ σ c relationship could be identified for ceramics, or if one exists for a specific class of ceramics, similar…
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View article: Comment on “Lubauer J, Lohbauer U, Henrich M, Munz M, Lube T, Belli R. Intricacies involving the evaluation of fracture toughness obtained by the surface‐crack‐in‐flexure method. J. Am. Ceram. Soc., 2022;105(12) 7582–7599”
Comment on “Lubauer J, Lohbauer U, Henrich M, Munz M, Lube T, Belli R. Intricacies involving the evaluation of fracture toughness obtained by the surface‐crack‐in‐flexure method. J. Am. Ceram. Soc., 2022;105(12) 7582–7599” Open
We have evaluated over fifty materials using small semi–elliptical controlled surface flaws with the Newman–Raju factors. Although occasionally there were nuances and peculiarities, the results were sound and comparable to other methods. S…
View article: A Simple, Yet Effective, Demonstration Of Polymeric Mechanical Behavior
A Simple, Yet Effective, Demonstration Of Polymeric Mechanical Behavior Open
NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract A Simple, Yet Effective, Demonstration of Polymeric Mechanical Behavior Abstract Developing an appreciation for the mechanical behavior…
View article: Microstructure Based Material-Sand Particulate Interactions and Assessment of Coatings for High Temperature Turbine Blades
Microstructure Based Material-Sand Particulate Interactions and Assessment of Coatings for High Temperature Turbine Blades Open
Gas turbine engines for military/commercial fixed-wing and rotary wing aircraft use thermal barrier coatings in the high-temperature sections of the engine for improved efficiency and power. The desire to further make improvements in gas t…
View article: Flexure Strength and Optical Transparency of Magnesium–Aluminate Spinel (MgAl2O4 ): Influence of Polishing and Glass Coating
Flexure Strength and Optical Transparency of Magnesium–Aluminate Spinel (MgAl2O4 ): Influence of Polishing and Glass Coating Open
Transparent magnesium-aluminate spinel has been under investigation for numerous transparent applications across a wide-transmission spectrum, including domes and armor windows. Surface polishing is necessary to achieve a transparent produ…