Itacolumite like high damping ceramics in the system Al
                        2
                        O 
                        3
                        -TiO
                        2
                        -MgO

T. Shimazu; M. Miura; N. Isu; T. Ogawa; A. Ichikawa; Hideki Ishida

doi:10.1063/1.2207076

Itacolumite like high damping ceramics in the system Al ₂ O ₃ -TiO ₂ -MgO

T. Shimazu, M. Miura, N. Isu, T. Ogawa, A. Ichikawa, Hideki Ishida

Environmental Studies

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

Ceramics is rigid and brittle originally. If the weakness could be overcome, the application will be widely expanded. Itacolumite known as high flexibility rock is the group of sand stone which consist of quartz and slight amount of muscovite. The microstructure of itacolumite has a lot of narrow gaps between the grains, the gap was thought to be formed by the dissolution of minerals in between quartz grains into the groundwater. This narrow space enables a little displacement of the particles, and the rock can bend with stress like plastic deformation. These characters of itacolumite showed the new ceramic functions such as stress relaxation properties and high damping capacity (internal friction Q ^-1 =0.03). The authors tried to develop high damping ceramics by the mimic of itacolumite, and found the Al ₂ O ₃ -TiO ₂ -MgO ceramics. The ceramics had stress relaxation properties and high damping capacity (Q ^-1 =0.01) since microcracks were formed during sintering by the discontinuous grain growth and the anisotropic thermal expansion in the cooling process.

Original language	English
Title of host publication	WATER DYNAMICS
Subtitle of host publication	3rd International Workshop on Water Dynamics
Pages	69-71
Number of pages	3
DOIs	https://doi.org/10.1063/1.2207076
Publication status	Published - 2006 May 15
Event	WATER DYANMICS: 3rd International Workshop on Water Dynamics - Sendai, Japan Duration: 2005 Nov 16 → 2005 Nov 17

Publication series

Name	AIP Conference Proceedings
Volume	833
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	WATER DYANMICS: 3rd International Workshop on Water Dynamics
Country	Japan
City	Sendai
Period	05/11/16 → 05/11/17

Keywords

Al TiO
Distontinuous grain growth
Flexibility
Itacolumite
MgTi O
Microcrack
Porous Ceramics

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.2207076

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Cite this

Shimazu, T., Miura, M., Isu, N., Ogawa, T., Ichikawa, A., & Ishida, H. (2006). Itacolumite like high damping ceramics in the system Al ₂ O ₃ -TiO ₂ -MgO In WATER DYNAMICS: 3rd International Workshop on Water Dynamics (pp. 69-71). (AIP Conference Proceedings; Vol. 833). https://doi.org/10.1063/1.2207076

Itacolumite like high damping ceramics in the system Al ₂ O ₃ -TiO ₂ -MgO . / Shimazu, T.; Miura, M.; Isu, N.; Ogawa, T.; Ichikawa, A.; Ishida, Hideki.

WATER DYNAMICS: 3rd International Workshop on Water Dynamics. 2006. p. 69-71 (AIP Conference Proceedings; Vol. 833).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Shimazu, T, Miura, M, Isu, N, Ogawa, T, Ichikawa, A & Ishida, H 2006, Itacolumite like high damping ceramics in the system Al ₂ O ₃ -TiO ₂ -MgO in WATER DYNAMICS: 3rd International Workshop on Water Dynamics. AIP Conference Proceedings, vol. 833, pp. 69-71, WATER DYANMICS: 3rd International Workshop on Water Dynamics, Sendai, Japan, 05/11/16. https://doi.org/10.1063/1.2207076

Shimazu T, Miura M, Isu N, Ogawa T, Ichikawa A, Ishida H. Itacolumite like high damping ceramics in the system Al ₂ O ₃ -TiO ₂ -MgO In WATER DYNAMICS: 3rd International Workshop on Water Dynamics. 2006. p. 69-71. (AIP Conference Proceedings). https://doi.org/10.1063/1.2207076

Shimazu, T. ; Miura, M. ; Isu, N. ; Ogawa, T. ; Ichikawa, A. ; Ishida, Hideki. / Itacolumite like high damping ceramics in the system Al ₂ O ₃ -TiO ₂ -MgO WATER DYNAMICS: 3rd International Workshop on Water Dynamics. 2006. pp. 69-71 (AIP Conference Proceedings).

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abstract = " Ceramics is rigid and brittle originally. If the weakness could be overcome, the application will be widely expanded. Itacolumite known as high flexibility rock is the group of sand stone which consist of quartz and slight amount of muscovite. The microstructure of itacolumite has a lot of narrow gaps between the grains, the gap was thought to be formed by the dissolution of minerals in between quartz grains into the groundwater. This narrow space enables a little displacement of the particles, and the rock can bend with stress like plastic deformation. These characters of itacolumite showed the new ceramic functions such as stress relaxation properties and high damping capacity (internal friction Q -1 =0.03). The authors tried to develop high damping ceramics by the mimic of itacolumite, and found the Al 2 O 3 -TiO 2 -MgO ceramics. The ceramics had stress relaxation properties and high damping capacity (Q -1 =0.01) since microcracks were formed during sintering by the discontinuous grain growth and the anisotropic thermal expansion in the cooling process.",

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AB - Ceramics is rigid and brittle originally. If the weakness could be overcome, the application will be widely expanded. Itacolumite known as high flexibility rock is the group of sand stone which consist of quartz and slight amount of muscovite. The microstructure of itacolumite has a lot of narrow gaps between the grains, the gap was thought to be formed by the dissolution of minerals in between quartz grains into the groundwater. This narrow space enables a little displacement of the particles, and the rock can bend with stress like plastic deformation. These characters of itacolumite showed the new ceramic functions such as stress relaxation properties and high damping capacity (internal friction Q -1 =0.03). The authors tried to develop high damping ceramics by the mimic of itacolumite, and found the Al 2 O 3 -TiO 2 -MgO ceramics. The ceramics had stress relaxation properties and high damping capacity (Q -1 =0.01) since microcracks were formed during sintering by the discontinuous grain growth and the anisotropic thermal expansion in the cooling process.

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