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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

AIN Microstructure Evalution through Hg-porosimetry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1992, v.5 no.2, pp.217-222
Lee, Hae-Weon
Yoon, Bok-Gyu
Hong, Kug-Sun
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Abstract

An attempt was made to analyze green microstructure of AIN samples prepared by slip casting and dry pressing through Hg-porosimetry. Slip cast samples with narrow pore size distribation and high packing density showed higher sinterability and homogeneous distribution of second phase(s). Hg-porosimetry is and effective way to determine pore structure if "ink bottle" phenomenon does not occur. A comparison study with porosity measurement by quantitative microscopy showed that the effectiveness of Hg-porosimetry measurement could be extended to higher sintered density as long as pores remained open.

keywords
AIN sample, Hg-porosimetry


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