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Displaying 1201 - 1225 of 3439

Process-Controlled Plasma-Sprayed Yttria-Stabilized Zirconia Coatings: New Insights from

February 11, 2009
Author(s)
Y Li, W Chi, S Sampath, A N. Goland, H Herman, Andrew J. Allen, J Ilavsky
A multi-component microstructure model is applied in ultrasmall-angle X-ray scattering (USAXS) studies of the processing microstructure property relationships for two groups of plasma-sprayed yttria-stabilized zirconia (YSZ) thermal barrier coatings (TBCs)

Effects of filler type and content on mechanical properties of photopolymerizable composites determined using a two-dimensional gradient platform

February 5, 2009
Author(s)
Sheng Lin-Gibson, Li Piin Sung, Haiqing Hu, Aaron M. Forster, Nancy J. Lin
Photopolymerizable dental composites have complex processing conditions and multi-component formulations that affect the final properties. Combinatorial screening is a useful approach for evaluating multiple properties of the composites. A single test

Synthesis and Transport Properties of Framework-Substituted Cs 8 Na 16 Cu 5 Ge 131

January 13, 2009
Author(s)
Matthew Beekman, James A. Kaduk, J Gryko, Winnie Wong-Ng, Alexander J. Shapiro, George S. Nolas
We report the synthesis and temperature dependent transport properties of a new type II germanium clathrate, Cs8Na16Cu5Ge131 (space group Fd3m; a = 15.42000(9) ) . In comparison to the parent compound Cs8Na16Ge136, Cu substitution for Ge on the clathrate

Measurement of Axisymmetric Crystallographic Texture

January 1, 2009
Author(s)
Mark D. Vaudin
Crystallographic texture has for many years been the fiefdom of metallurgists and geologists, who have developed elegant methodologies for the analysis of highly complex textures and texture evolutions. Over the past two decades, the importance and

MATRIX RELAXATION AFTER FRACTURE IN A TOUGHENED EPOXY

December 10, 2008
Author(s)
Aaron M. Forster, Cyril Clerici, Donald L. Hunston
An efficient method to increase the Mode I fracture energy of a polymer adhesive is to incorporate a rubbery phase within the glassy matrix. In general, the failure surface of a toughened polymer is characterized by cavitated rubber particles and plastic

Designing artificial cells to harness the biological ion gradient

November 23, 2008
Author(s)
Jian Xu, David A. LaVan
Cell membranes contain numerous natural nanoscale conductors, i.e. ion channels and ion pumps1-4, that work in concert to form transmembrane or transcellular ion gradients that can be triggered to release an action potential (AP)1, 5. Can artificial cells

Beta-Sheet Formation and RGD-Presentation Effects on Osteoblast Differentiation

November 15, 2008
Author(s)
Carl G. Simon Jr., Matthew Becker, Sheng Lin-Gibson, Kristen E. Roskov, David L. Kaplan, Abby W. Morgan
This report highlights our recent investigation into -sheet formation and RGD epitope presentation on the surface of blended silk films.1 Surface characterization of biomaterials for tissue engineering applications is of great importance to understand how

Electronic Structure and Chemistry of Iron-Based Metal Oxide Nanostructured Materials: A NEXAFS Investigation of BiFeO3, Bi2Fe4O9, a-Fe2O3, g-Fe2O3, and Fe/Fe3O4

November 6, 2008
Author(s)
Tae-Jin Park, S Sambasivan, Daniel A. Fischer, R Ramesh, J A. Misewich, S S. Wong
We present a systematic and detailed Near Edge X-ray Absorption Fine Structure (NEXAFS) experimental investigation of the electronic structure and chemistry of iron-based metal oxide nanostructured (FeMONS) materials including BiFeO3, Bi2Fe4O9, a-Fe2O3, ?-
Displaying 1201 - 1225 of 3439
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