Search Results - "Reece, M. J."

A Lead-Free High-Curie-Point Ferroelectric Ceramic, CaBi2Nb2O9 by Yan, H., Zhang, H., Ubic, R., Reece, M. J., Liu, J., Shen, Z., Zhang, Z.

“…A lead‐free high‐Curie‐point Aurivillius‐phase ferroelectric ceramic, CaBi2Nb2O9, has been fabricated by spark plasma sintering (SPS). It has a Curie point…”
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Near‐patient platelet function testing in patients undergoing coronary artery surgery: a pilot study by Reece, M. J., Klein, A. A., Salviz, E. A., Hastings, A., Ashworth, A., Freeman, C., Luddington, R. J., Nair, S., Besser, M. W.

“…Summary Platelet dysfunction after cardiopulmonary bypass contributes to microvascular bleeding and is associated with blood transfusion and resternotomy…”
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Effect of Phase Transitions on Thermal Depoling in Lead-Free 0.94(Bi0.5Na0.5TiO3)–0.06(BaTiO3) Based Piezoelectrics by Mahajan, Amit, Zhang, Hangfeng, Wu, Jiyue, Ramana, E. Venkata, Reece, M. J, Yan, Haixue

“…0.94­(Bi0.5Na0.5TiO3)–0.06­(BaTiO3) (BNTBT) is a potential lead-free piezoelectric candidate to replace lead-based PZT ceramics. The thermal depoling…”
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Metal matrix composite fuel for space radioisotope energy sources by Williams, H.R., Ning, H., Reece, M.J., Ambrosi, R.M., Bannister, N.P., Stephenson, K.

“…► Neodymium (III) oxide Nd2O3 – niobium composites created via Spark Plasma Sintering. ► Nd is a surrogate for Am-241 fuel for European Space radioisotope…”
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Wear resistance of Al2O3–CNT ceramic nanocomposites at room and high temperatures by Puchy, V., Hvizdos, P., Dusza, J., Kovac, F., Inam, F., Reece, M.J.

“…This work describes the microstructure, indentation toughness, room and high temperature tribological properties of alumina–carbon nanotubes nanocomposites…”
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Effect of processing on the structures and properties of bismuth sodium titanate compounds by Mahajan, Amit, Zhang, Hangfeng, Wu, Jiyue, Venkata Ramana, E., Yu, Chuying, Tarakina, Nadezda V., Reece, M. J., Yan, Haixue

“…The processing of sodium (Na) and bismuth (Bi)-based piezoelectric compounds are always a concern due to their volatilization at high temperatures (> 1000 °C)…”
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Spark plasma sintered bismuth telluride-based thermoelectric materials incorporating dispersed boron carbide by Williams, H.R., Ambrosi, R.M., Chen, K., Friedman, U., Ning, H., Reece, M.J., Robbins, M.C., Simpson, K., Stephenson, K.

“…[Display omitted] •Nano-B4C reinforced Bi0.5Sb1.5Te3 p-type thermoelectric produced by SPS.•Addition of B4C up to 0.2vol% to SPS’d material has little effect…”
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A novel microstructural design to improve the oxidation resistance of ZrB2-SiC ultra-high temperature ceramics (UHTCs) by Zhang, Haiwen, Jayaseelan, D.D., Bogomol, I., Reece, M.J., Hu, Chunfeng, Grasso, S., Lee, W.E.

“…Directionally Solidified 72.8 mol% ZrB2 - 27.2 mol% SiC (equivalent to 20 vol%) composite was fabricated using a crucibleless-melting technique…”
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Enhanced Creep Resistant Silicon-Nitride-Based Nanocomposite by Dusza, J., Kovalčík, J., Hvizdoš, P., Šajgalík, P., Hnatko, M., Reece, M. J.

“…Silicon nitride–silicon carbide nanocomposite has been prepared by an in situ method that utilizes C+SiO2 carbo‐thermal reduction during the sintering process…”
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Estimation of toughening produced by ferroelectric/ferroelastic domain switching by Reece, M.J, Guiu, F

“…An estimate is made of the upper limit of the toughening that might be expected by the crack tip stress induced reorientation of domains in ferroelectric…”
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Degradation of the d33 piezoelectric coefficient for PZT ceramics under static and cyclic compressive loading by Algueró, M, Cheng, B.L, Guiu, F, Reece, M.J, Poole, M, Alford, N

“…The degradation of the d 33 piezoelectric coefficient of PZT ceramics subjected to compressive stresses along the poling direction was studied in the range…”
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Piezoelectric and dielectric properties of Ce substituted La2Ti2O7 ceramics by Gao, Z.P., Yan, H.X., Ning, H.P., Wilson, R., Wei, X.Y., Shi, B., Ye, H., Reece, M.J.

“…The ferroelectric and dielectric properties of cerium (Ce) substituted La2Ti2O7 (LTO) have been investigated. Single phase, dense La2−xCexTi2O7 (x=0.15, 0.25,…”
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Polymer-derived SiC ceramics from polycarbosilane/boron mixtures densified by SPS by Bernardo, E., Ponsot, I., Colombo, P., Grasso, S., Porwal, H., Reece, M.J.

“…Spark plasma sintering (SPS) is considered as an efficient method for the densification of advanced ceramics. Since commercially available prepyrolized…”
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Crack extension force and rate of mechanical work of fracture in linear dielectrics and piezoelectrics by Guiu, F., Algueró, M., Reece, M. J.

“…The physical significance of the crack extension force produced by mechanical loads and electric fields in linear dielectric and piezoelectric materials is…”
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Experimental, analytical, and finite element analyses of nanoindentation of multilayer PZT/Pt/SiO2 thin film systems on silicon wafers by Chima-Okereke, C., Bushby, A.J., Reece, M.J., Whatmore, R.W., Zhang, Q.

“…The mechanical properties of lead zirconate titanate (PZT) multilayer systems are needed to model and design micro-electromechanical systems (MEMS) devices…”
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Relaxation Processes in Dielectric and Electromechanical Response of PZT Thin Films Under Nanoindentation by Koval †, V., Reece, M. J., Bushby, A. J.

“…In this work, stress-induced relaxation processes in sol-gel derived lead zirconate titanate (PZT) films with a Zr/Ti ratio of 30/70 were investigated by…”
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Polarization dynamics and non-equilibrium switching processes in ferroelectrics by Vopsaroiu, M., Weaver, P. M., Cain, M. G., Reece, M. J., Kok Boon Chong

“…Time- and temperature-dependent effects are critical for the operation of non-volatile memories based on ferroelectrics. In this paper, we assume a domain…”
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Sintering trials of analogues of americium oxides for radioisotope power systems by Watkinson, E.J., Ambrosi, R.M., Kramer, D.P., Williams, H.R., Reece, M.J., Chen, K., Sarsfield, M.J., Barklay, C.D., Fenwick, H., Weston, D.P., Stephenson, K.

“…European Space Agency radioisotope power systems will use americium oxide as the heat source in pellet or disc form. The oxide form is yet to be decided…”
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Direct measurement of mechanical properties of (Pb,La)TiO3 ferroelectric thin films using nanoindentation techniques by Algueró, M., Bushby, A. J., Reece, M. J.

“…A procedure using nanoindentation with spherical tipped indenters is presented that allows separation of elastic, anelastic, and plastic contributions to the…”
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Microwave and terahertz dielectric properties of MgTiO3–CaTiO3 ceramics by Huang, J.B., Yang, B., Yu, C.Y., Zhang, G.F., Xue, H., Xiong, Z.X., Viola, G., Donnan, R., Yan, H.X., Reece, M.J.

“…The THz dielectric properties of MgTiO3–CaTiO3 ceramics are reported. The ceramics were prepared via a solid-state reaction route and the sintering conditions…”
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