DOI: 10.1111/j.1151-2916.1982.tb10341.x. Morphological Changes of an Intergranular Thin Film in a Poly crystalline Spinel

Morphological Changes of an Intergranular Thin Film in a Poly crystalline Spinel

10.1111/j.1151-2916.1982.tb10341.x

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

An intergranular second phase, present as a film in a large‐grained MgAl2O4 densified with LiF, was observed, on sequential heat treatment at 1500° C, to progressively reduce its area by first forming slender fingers which then break up into spheroid‐shaped islands. This “beading” process is an example of a Rayleigh instability driven by capillarity processes. Electron microscopy revealed that the islands consist of two phases (presumably LiF and MgAl2O4), characteristic of a solidified melt. The observed morphologies are more than likely characteristic of many intergranular phases which form nonzero contact angles with the major phase. An analysis is presented showing that perturbations on the edge of a receding plate can grow by surface diffusion.

Bibliography

LANGE, F. F., & CLARKE, D. R. (1982). Morphological Changes of an Intergranular Thin Film in a Poly crystalline Spinel. Journal of the American Ceramic Society, 65(10), 502â506. Portico.

Authors 2

F. F. LANGE (first)
D. R. CLARKE (additional)

References 7 Referenced 59

10.1179/095066080790136271
10.1016/0304-3991(79)90006-8
10.1111/j.1151-2916.1979.tb09477.x
10.1111/j.1151-2916.1972.tb13417.x
{'issue': '143', 'key': 'e_1_2_1_6_2', 'first-page': '3', 'article-title': 'Crack Healing in Thermally Shocked MgO,', 'volume': '58', 'author': 'Gupta T. K.', 'year': '1975', 'journal-title': 'J. Am. Ceram. Soc.'} / J. Am. Ceram. Soc. / Crack Healing in Thermally Shocked MgO, by Gupta T. K. (1975)
10.1016/0001-6160(77)90179-1
{'issue': '10', 'key': 'e_1_2_1_8_2', 'first-page': '1840', 'article-title': 'Surface‐ (Interface–) and Volume–Diffusion Contributions to Morphological Changes Driven by Capilliarity,', 'volume': '233', 'author': 'Nichols F. A.', 'year': '1965', 'journal-title': 'Trans. AIME'} / Trans. AIME / Surface‐ (Interface–) and Volume–Diffusion Contributions to Morphological Changes Driven by Capilliarity, by Nichols F. A. (1965)

Dates

Type	When
Created	19 years, 2 months ago (June 6, 2006, 11:12 a.m.)
Deposited	1 year, 9 months ago (Nov. 23, 2023, 2:58 a.m.)
Indexed	2 months, 1 week ago (June 17, 2025, 5:46 a.m.)
Issued	42 years, 10 months ago (Oct. 1, 1982)
Published	42 years, 10 months ago (Oct. 1, 1982)
Published Online	19 years, 2 months ago (June 2, 2006)
Published Print	42 years, 10 months ago (Oct. 1, 1982)

Funders 0

None

BibTeX

@article{LANGE_1982, title={Morphological Changes of an Intergranular Thin Film in a Poly crystalline Spinel}, volume={65}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1982.tb10341.x}, DOI={10.1111/j.1151-2916.1982.tb10341.x}, number={10}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={LANGE, F. F. and CLARKE, D. R.}, year={1982}, month=oct, pages={502–506} }

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