Zobrazeno 1 - 10 of 41 pro vyhledávání: '"James D. Cawley"'
1
Stress Concentration Due to Fiber-Matrix Fusion in Ceramic-Matrix Composites
Autor: William H. Glime, James D. Cawley
Publikováno v: Journal of the American Ceramic Society. 81:2597-2604
Stress concentration in ceramic-matrix composites due to fiber-matrix fusion is investigated using finite-element modeling (FEM) in conjunction with experiment. FEM results indicate substantial stress concentration can be expected when the fiber and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a8d78c563ee84246c983119d7627818
https://doi.org/10.1111/j.1151-2916.1998.tb02666.x
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2
Application of the Potts Model to Simulation of Ostwald Ripening
Autor: James D. Cawley, Veena Tikare
Publikováno v: Journal of the American Ceramic Society. 81:485-491
Many models have been developed to simulate microstructural evolution in recent years. Among these is the Monte Carlo Potts model used to simulate microstructural evolution under a wide range of conditions for a variety of microstructural evolution p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e643c2d8c14e07c9c707d76872809d75
https://doi.org/10.1111/j.1151-2916.1998.tb02366.x
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3
Computer Simulations of Diffraction Effects due to Stacking Faults in β-SiC: I, Simulation Results
Autor: James D. Cawley, Vijay V. Pujar
Publikováno v: Journal of the American Ceramic Society. 80:1653-1662
X-ray diffraction (XRD) patterns from nominally β-SiC specimens often differ from those expected for the cubic crystal structure. These differences include the presence of additional peaks, enhanced background intensities, peak broadening, changes i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1062fb4d0a1610a910049d71a2872f7
https://doi.org/10.1111/j.1151-2916.1997.tb03034.x
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4
Roles of Poly(propylene glycol) during Solvent-Based Lamination of Ceramic Green Tapes
Autor: Nitinat Suppakarn, Hatsuo Ishida, James D. Cawley
Publikováno v: Journal of the American Ceramic Society. 84:289-94
Solvent lamination for alumina green tapes is readily accomplished using a mixture of ethanol, toluene and poly(propylene glycol). After lamination, the PPG is clearly present as a discrete film at the interface between the laminated tapes. This cond
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89490236f31721789b25f0e10eda4a65
https://doi.org/10.1111/j.1151-2916.2001.tb00652.x
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5
Computer Simulations of Diffraction Effects due to Stacking Faults in β-SiC: II, Experimental Verification
Autor: James D. Cawley, Vijay V. Pujar
Publikováno v: Journal of the American Ceramic Society. 84:2645-2651
Earlier results from computer simulation studies suggest a correlation between the spatial distribution of stacking errors in the β-SiC structure and features observed in XRD patterns of the material. Reported here are experimental results obtained
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df669e163b9874a364c929812b0e2e26
https://doi.org/10.1111/j.1151-2916.2001.tb01066.x
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6
Solid freeform fabrication of ceramics
Autor: James D. Cawley
Publikováno v: Current Opinion in Solid State and Materials Science. 4:483-489
In this review, the author suggests that solid freeform fabrication is an extension of conventional manufacturing technology (made possible by advances in computing and automated shaping machinery). That is, the basic unit operations and the layered-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::141cdddd38d04439e2e1cac62b82de92
https://doi.org/10.1016/s1359-0286(99)00055-8
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7
Effect of Stacking Faults on the X-ray Diffraction Profiles of beta-SiC Powders
Autor: James D. Cawley, Vijay V. Pujar
Publikováno v: Journal of the American Ceramic Society. 78:774-782
X-ray diffraction patterns or beta-SiC (3C or the cubic polytype or sic) powders often exhibit an additional peak at d = 0.266 nm, high background intensity around the (111) peak, and relative intensities for peaks which differ from those predicted f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb114c9b62e6bb3ff589fb405f46ec9e
https://doi.org/10.1111/j.1151-2916.1995.tb08246.x
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8
Microstructure and Reactions of SiCw-Reinforced Alumina with Ag-Cu-In-Ti
Autor: Eun-Sung Park, John J. Lannutti, James D. Cawley
Publikováno v: Journal of the American Ceramic Society. 78:15-20
Brazing experiments were performed at 750 C for 2 h between Ag-Cu-In-Ti alloy and SiC{sub w}/Al{sub 2}O{sub 3}. The first clearly nonbraze layer consists of an oxide layer of metallic composition 33Ti-31Al-22Cu-14S. Areas adjacent to the SiC whiskers
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ffd94d1b412ca754f56efa71607fdaba
https://doi.org/10.1111/j.1151-2916.1995.tb08355.x
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10
Oxygen Diffusion and Reaction Kinetics in Continuous Fiber Ceramic Matrix Composites
Autor: James D. Cawley, Andrew J. Eckel, Michael C. Halbig
Publikováno v: 22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 19, Issue 4
Scopus-Elsevier
Previous stressed oxidation tests of C/SiC composites at elevated temperatures (350 C to 1500 C) and sustained stresses (69 MPa and 172 MPa) have led to the development of a finite difference cracked matrix model. The times to failure in the samples
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ccf99135b3cd4a0d9cc09b640c6b936
https://doi.org/10.1002/9780470294499.ch16
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