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Mechanical Engineering Commons

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The University of Akron

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Articles 331 - 331 of 331

Full-Text Articles in Mechanical Engineering

Thermomechanical Design Criteria For Ceramic-Coated Surfaces, Robert L. Mullen, J. Padovan, Minel J. Braun, Benjamin T.F. Chung, G. Mcdonals, Robert C. Hendricks Feb 1986

Thermomechanical Design Criteria For Ceramic-Coated Surfaces, Robert L. Mullen, J. Padovan, Minel J. Braun, Benjamin T.F. Chung, G. Mcdonals, Robert C. Hendricks

Mechanical Engineering Faculty Research

Some early history of ceramic applications is presented. Finite element modeling of components to determine service and fabrication loads found inelastic behavior and residual stresses to be significant to component life. Inelastic behavior mitigates peak strains but enhances residual strains. Results of furnace, Mach 0.3 burner, and engine tests are discussed and categorized into design criteria (loading, geometry, fabrication, materials, analysis, and testing). These design rules and finite element analyses are brought to bear on two test cases: turboshaft engine seals, and rocket thrust chambers.