Publications

Displaying 276 - 300 of 305

The Effect of Si Dissolution on the Stability of Silica Particles and its Influence on Chemical Mechanical Polishing for Interlayer Dielectrics

December 1, 2001

Author(s)

U Paik, J P. Kim, Y S. Yung, T Katoh, Jinkyoo Park, Vincent A. Hackley

As a silica slurry for interlayer dielectric CMP is prepared in the alkaline region to accelerate the chemical corrosion process of plasma enhanced tetraethylorthosilicate (PETEOS), Si is dissolved to the point where it will adversely affect the colloidal

Polyelectrolyte Adsorption on Hydroxyapatite

November 1, 2001

Author(s)

Vincent A. Hackley

Hydroxyapatite (HAP) belongs to a family of structurally and chemically related, sparingly soluble calcium phosphate (CP) salts [1], and is the structural prototype for the principal mineral component of bone and teeth [2]. Well-defined synthetic HAP has

Polymers in Particulate Systems: Properties and Applications

November 1, 2001

Author(s)

Vincent A. Hackley, P Somasundaran, J A. Lewis

Soluble polymers are key additives for a broad range of industrial and biomedical applications, including advanced ceramics, mineral separations, high performance cement, and bioceramic coatings and composites. Such species find widespread use as

Influence of Particle Size and Solid Loading on the Determination of the Isoelectric Point (IEP) of Ceramics Powders by Different Methods

September 1, 2001

Author(s)

Hisashi Abe, M Naito, R Wasche, Vincent A. Hackley, Y Hotta

The isoelectric point is a material property for the characterization of acid-base behavior of the powder surface. The IEP of two alumina powders (AKP-30 Grade A) with different particle size characteristics in aqueous suspension has been determined by

NIST Recommended Practice Guide: The Use of Nomenclature in Dispersion Science and Technology

August 1, 2001

Author(s)

Vincent A. Hackley, Chiara F. Ferraris

This Special Publication is essentially a reprint of two NIST Special Publications, SP 945 and SP 946. This particular Practice Guide provides guidelines for the use of technical and scientific nomenclature related to ceramic dispersions.The use of

Guide to Rheological Nomenclature: Measurement in Ceramic Particulate Systems

January 1, 2001

Author(s)

Vincent A. Hackley, Chiara F. Ferraris

This document provides definitions of terms and expressions relating to the measurement of rheological properties in liquid-based ceramic particulate systems (i.e., suspensions, pastes, and gels). The definitions are largely generic and should be

Quantitative proteomic analysis of biogenesis-based classification for extracellular vesicles

January 1, 2001

Author(s)

Linwen Zhang, Jeremie Parot, Vincent A. Hackley, Illarion Turko

terms and is much more heterogeneous and complex. Since the cell membrane origin of EVs predetermines their biological functions, the un-derstanding of EV biogenesis is important for accurate interpretation of observed results. Combining analytical

Influence of Solids Concentration on the Isoelectric Point of Aqueous Barium Titanate

October 1, 2000

Author(s)

U Paik, Vincent A. Hackley

We report on findings that the particle surface charge is influenced by solids concentration in aqueous suspensions of barium titanate. By combining results from two electrokinetic methods, three decades in solids concentration were analyzed. Combined

Ceramic Manufacturing Program World Wide Web Site

April 1, 2000

Author(s)

Vincent A. Hackley

The Ceramic Manufacturing Program (CMP) World Wide Web Site contains general information on CMP research projects, personnel, facilities and industrial consortia. An overview of the program mission and goals is also provided, along with lists of

Guide to the Nomenclature of Particle Dispersion Technology for Ceramic Systems

February 1, 2000

Author(s)

Vincent A. Hackley

It is generally agreed that measurements and standards play an integral role in the manufacture of ceramic materials. They enhance reliability by providing a basis for quantifying and comparing material properties during each phase of the manufacturing

Assessment of Particle Size Measurement Techniques and Procedures: I. Identification and Characterization of a Model Powder System

January 1, 1999

Author(s)

Ajitkumar Jillavenkatesa, Vincent A. Hackley, G Y. Onoda

Particle size distribution of a powder system has been observed to be dependent upon the instrument and technique used for analysis. Often, different instruments based upon the same fundamental principle give different results for the same powder. This

Electroacoustic Analysis in Processing of Advanced Ceramics

September 1, 1998

Author(s)

Vincent A. Hackley, U Paik

Finely dispersed systems such as emulsions and colloidal suspensions are recognized as playing a critical role in many important industrial processes. Many of these systems are quite concentrated, and significant needs exist to develop measurement

Development of Electroacoustic Methods and Their Application in Ceramic Processing

August 1, 1998

Author(s)

Vincent A. Hackley

The development of particle characterization methods based on electroacoustic effects is reviewed and their application in various areas of ceramic powder processing is stressed. Electroacoustics is a term used to describe the coupling between electric and

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