Analysis of Physical Properties of Ceramic Powders in an International Interlaboratory Comparison Program
Accuracy in the measurement of physical characteristics of ceramic starting powders is a critical factor in the control and reproducibility of powder processing unit operations. An international interlaboratory comparison program on powders characterization has been in progress under the auspices of the International Energy Agency. In this paper, the results of powder characterization effort on five powders by 25 industrial, university and governmental laboratories are presented. Selected results of density, specific surface area, and particle size distribution are presented and discussed in terms of factors affecting these measurements. The reasons for the discrepancies in the data are outlined.
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- 1.Malghan, S. G, et.al., “Physical and Chemical Characterization of Ceramic Powders in an International Interlaboratory Comparison Program,” paper presented at the Seventh CIKTEC World Ceramics Congress, June 1990.Google Scholar
- 2.Hsu, S. M, et.al., “Characterization of Ceramic Powders: Data and Analysis, Final Report,” Prepared by NIST for DoE, March 1990.Google Scholar
- 3.Resetar, T. M, et.al., “IEA/Annex II Powder Characterization Cooperative Program” U.S. Army Materials Technology Laboratory, MTL TR 89–53, 1989.Google Scholar
- 5.Tibault, N. W, “Morphological and Structural Crystallography and Optical Properties of SiC, Part II,” Am Mineral. 29, 327, 1944.Google Scholar
- 9.Weiss, J and Kaysser, W. A, “Liquid Phase Sintering” in ref. 8, pp. 169–186.Google Scholar