Zobrazeno 1 - 10 of 22 pro vyhledávání: '"D. J. Rowcliffe"'
1
Microstructure and Interface Characteristics of Alumina-Zirconia Composites
Autor: Zi Kui Liu, R. F. Yttergren, D. J. Rowcliffe
Publikováno v: Proceedings of the 20th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 17, Issue 4
Alumina-zirconia laminated composites have been fabricated by warm pressing and sintering tapes. Such composites contain large residual stresses and the fracture mode indicates strong bonding between the layers. Transmission electron microscopy studi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ee159d333adde9e8fe7597beb9b5556
https://doi.org/10.1002/9780470314876.ch12
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2
Analysis of the Indentation-Quench Test for Ceramics
Autor: I. K. M. Collin, D. J. Rowcliffe
Publikováno v: 23rd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8ac99b6963a56f4b94913e468ecea18
https://doi.org/10.1002/9780470294567.ch35
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3
Hardness of Vapour Deposited Ceramic Coatings Determined by Ultra-Low Load Indentation
Autor: D. J. Rowcliffe, E. Söderlund
Publikováno v: Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures ISBN: 9789401047753
One particularly important field for ceramic CVD coatings is in the cemented carbide cutting tool industry, where the ceramic coatings have shown to result in prolonged service lives. Hardness have been measured on a number of typical ceramic CVD coa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8311f1e58633d5b3929e99e6b67b913
https://doi.org/10.1007/978-94-011-1765-4_30
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4
The fracture of jade
Autor: D. J. Rowcliffe, V. Frühauf
Publikováno v: Journal of Materials Science. 12:35-42
Fracture parameters have been measured in jade samples obtained from three sources. Fracture toughness values lie between 2.9 and 5.5 MN m−3/2, whereas fracture energies are between 269 and 986 J m−2. The high resistance of jade to crack propagat
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https://doi.org/10.1007/bf00738469
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5
KIcand Delayed Fracture Measurements on Hot-Pressed SiC
Autor: D. J. Rowcliffe, J. L. Henshall, J. W. Edington
Publikováno v: Journal of the American Ceramic Society. 62:36-41
The fracture resistance of hot-pressed SiC between 300 and 1773 K was measured using KIc, and notched-beam delayed-fracture tests. An analysis was developed which enables crack velocities as low as 10−11 ms−1 to be derived from the failure time.
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https://doi.org/10.1111/j.1151-2916.1979.tb18801.x
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6
Deformation of silicon at low temperatures
Autor: D. J. Rowcliffe, M. J. Hill
Publikováno v: Journal of Materials Science. 9:1569-1576
The dislocation arrangements produced around microhardness indentations made in silicon at room temperature have been studied by transmission electron microscopy. Loops consisting of 30°- and 60°-dislocations are produced and move on the {111} plan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0ff5e2750d8bf6e21ec8e7902f8431e
https://doi.org/10.1007/bf00540753
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7
Hardness anisotropy, deformation mechanisms and brittle-to-ductile transition in carbide
Autor: G. E. Hollox, D. J. Rowcliffe
Publikováno v: Journal of Materials Science. 6:1270-1276
The slip plane for TiC0.8′ VC0.84 and substoichiometric tantalum carbide has been determined as {110} using microhardness indentation at room temperature. Under the same conditions, HfC0.98 also slips on {110} but TaC0.96 slips on {111}. At low tem
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c2e6d09d914c05b3fdd50fb5e6fd57d
https://doi.org/10.1007/bf00552040
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8
Plastic flow and fracture of tantalum carbide and hafnium carbide at low temperatures
Autor: D. J. Rowcliffe, G. E. Hollox
Publikováno v: Journal of Materials Science. 6:1261-1269
Knoop and Vickers hardness measurements have been made on tantalum carbide and hafnium carbide single crystals. The hardness varies with orientation of the indenter in the crystal, but indentations in the two carbides are of very different character,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f28c260840d385140983c153840f8a10
https://doi.org/10.1007/bf00552039
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10
Structure and properties of tantalum carbide crystals
Autor: W. J. Warren, D. J. Rowcliffe
Publikováno v: Journal of Materials Science. 5:345-350
Single crystals of tantalum carbide, up to 2 mm in size have been grown from solution in a bath of molten iron. The slip plane was found to be {111} using a two-surface analysis on etch-pitted crystals deformed by microindentation at room temperature
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https://doi.org/10.1007/bf02397788
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