2009 General Archives | The American Ceramic Society

2009 General

Effects of Sulfur and a Lubricity Improver on the Tribological Characteristics of Si3N4 Ceramics against Steel in Fuel

By / January 28, 2010

Volume 6 Issue 5, Pages 642 – 650 Satoshi Kitaoka, Kazumi Kashiwagi, Masashi Wada, Takenobu SakaiPublished Online: Nov 5 2008 3:06PM DOI: 10.1111/j.1744-7402.2008.02306.x ABSTRACT The effects of sulfur (dibenzothiophene) and a lubricity improver (glyceride) on the tribological behavior of combinations of Si3N4 ceramics and steel were investigated in kerosene at 373 K. The tests were performed…

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Structure and Bioactivity of Zirconia Nanotube Arrays Fabricated by Anodization

By / January 28, 2010

Volume 6 Issue 5, Pages 636 – 641 Limin Guo, Jianling Zhao, Xixin Wang, Xuewen Xu, Heye Liu, Yangxian LiPublished Online: Oct 29 2008 1:09PM DOI: 10.1111/j.1744-7402.2008.02305.x ABSTRACT Zirconia nanotube arrays with a diameter of 300–350 nm and a length of 100 μm were prepared by anodization of zirconium in an organic electrolyte containing NH4F. The zirconia…

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PhysicoChemical Characterization of Strontium- and Cobalt-Doped Lanthanum Chromite Powders Produced by Combustion Synthesis

By / January 28, 2010

Volume 6 Issue 5, Pages 626 – 635 Luiz F. G. Setz, Sonia R. H. Mello-Castanho, Rodrigo Moreno, María T. ColomerPublished Online: Oct 29 2008 1:04PM DOI: 10.1111/j.1744-7402.2008.02302.x ABSTRACT Doped lanthanum chromites are investigated as ceramic interconnect materials to be used in high-temperature solid oxide fuel cells (SOFCs). In this work, a La0.80Sr0.20Cr0.92Co0.08O3 powder was…

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Effects of Preheat-Treated Aluminosilicate Addition on the Phase Development, Microstructure, and Mechanical Properties of Mullitized Porous OBSC Ceramics

By / January 28, 2010

Datum Shifeng Liu, Yu-Ping Zeng, Dongliang Jiang, Shifeng LiuPublished Online: Oct 29 2008 1:03PM DOI: 10.1111/j.1744-7402.2008.02300.x ABSTRACT Mullitized porous oxidation-bonded SiC (OBSC) ceramics were fabricated with and without preheat-treated aluminosilicate by an in situ reaction-bonding process. The effects of the preheat-treated aluminosilicate on the phase development, microstructure, and mechanical properties of porous SiC ceramics were…

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The Study on Carbon Nanofiber (CNF)-Dispersed B4C Composites

By / January 28, 2010

Volume 6 Issue 5, Pages 607 – 616 Ken Hirota, Yoshihiro Nakayama, Masaki Kato, Shingo Nakane, Toshiyuki NishimuraPublished Online: Nov 5 2008 3:16PM DOI: 10.1111/j.1744-7402.2008.02323.x ABSTRACT Carbon nanofiber (CNF)-dispersed B4C composites have been synthesized and consolidated directly from mixtures of elemental raw powders by pulsed electric current pressure sintering (1800°C/10 min/30 MPa). A 15 vol% CNF/B4C composite…

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Ceramic Laminates by Gelcasting

By / January 28, 2010

Volume 6 Issue 5, Pages 593 – 606 Noah O. Shanti, David B. Hovis, Michelle E. Seitz, John K. Montgomery, Donald M. Baskin, Katherine T. FaberPublished Online: Nov 5 2008 3:11PM DOI: 10.1111/j.1744-7402.2008.02312.x ABSTRACT Laminated ceramic composites are appealing for many applications due to their unique and customizable thermal and mechanical properties. Gelcasting is a…

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Concrete Produced by Steel-Making Slag (Basic Oxygen Furnace) Addition in Portland Cement

By / January 28, 2010

Volume 6 Issue 6, Pages 736 – 748 Hasan Alanyali, Mustafa Çöl, Muharrem Yilmaz, Şadi KaragözPublished Online: Dec 11 2008 11:51AM DOI: 10.1111/j.1744-7402.2008.02317.x ABSTRACT A steel-making slag (basic oxygen furnace) obtained from the Kardemir Steelworks was modified to be used as a clinker additive in the cement industry. This study confirmed that the compressive strength…

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Energy-Absorbing TRIP-Steel/Mg-PSZ Composite Honeycomb Structures Based on Ceramic Extrusion at Room Temperature

By / January 28, 2010

Volume 6 Issue 6, Pages 727 – 735 Christos G. Aneziris, Wolfgang Schärfl, Horst Biermann, Ullrich MartinPublished Online: Nov 5 2008 3:13PM DOI: 10.1111/j.1744-7402.2008.02321.x ABSTRACT Porous materials have received extensive attention for energy absorption in the last few years. In terms of this study, austenitic TRIP-steel/Mg-PSZ-composite honeycomb structures are formed with different mixing proportions due…

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Degradation of Refractory Bricks Used as Thermal Insulation in Rotary Kilns for Iron Ore Pellet Production

By / January 28, 2010

Volume 6 Issue 6, Pages 717 – 726 Jesper Stjernberg, Marta-Lena Antti, Lars-Olof Nordin, Magnus OdénPublished Online: Nov 5 2008 3:13PM DOI: 10.1111/j.1744-7402.2008.02318.x ABSTRACT Degradation of bricks in an iron ore pellet producing kiln has been investigated. Lab-scale tests of brick/slag interaction performed under different temperatures, atmospheres, and alkali additions show that addition of alkali…

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Sintering Behavior and Microstructure Development of Porous Silicon Nitride Ceramics Prepared in an Air Atmosphere Furnace

By / January 28, 2010

Volume 6 Issue 6, Pages 702 – 716 Kevin PlucknettPublished Online: Nov 5 2008 3:08PM DOI: 10.1111/j.1744-7402.2008.02309.x ABSTRACT Porous silicon nitride (Si3N4) ceramics have been sintered in a conventional air atmosphere furnace at temperatures between 1500°C and 1700°C, with sintering additions of either 5 or 10 wt% yttria (Y2O3). The use of a protective α-Si3N4 powder…

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