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- Itoh Akitoshi
- School of Science and Engineering, Waseda University
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- Miwa Yoshiyuki
- School of Science and Engineering, Waseda University
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- Iguchi Nobuhiro
- School of Science and Engineering, Waseda University
Bibliographic Information
- Other Title
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- 結晶化ガラスと焼結セラミックスの形状記憶現象
- ケッショウカ ガラス ト ショウケツ セラミックス ノ ケイジョウ キオク ゲ
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Abstract
The shape recovery property of some glass-ceramics and sintered ceramics has been investigated with the high temperature range torsion test apparatus. The results are summarized as follows.<BR>(1) The shape memory phenomena occurred in both β-spodumene glass-ceramics and 2ZnO-B2O3 glass-ceramics. This shows that the shape memory phenomenon of ceramics is not caused by the peculiar characteristics of mica crystal.<BR>(2) The sintered ceramics such as mica (KMg3AlSi3O10F2), silicone nitride (Si3N4), silicone carbide (SiC), zirconia (ZrO2) and alumina (Al2O3) brought the similar phenomenon, indicating that the shape memory phenomenon of ceramics is not limited to glass-ceramics generated by the special manufacturing process, but found in the material which contains little glass phase.<BR>(3) The correspondence between the temperature range for the occurrence of shape memory phenomenon and the stress relaxation temperature range is recognized in all the materials studied in this paper.<BR>(4) The critical prestrain, within which the 100% shape recovery occurs, is about 0.1% with β-spodumene glass-ceramics, silicone nitride and zirconia. This value is 1/5 that of mica glass-ceramics.
Journal
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- Journal of the Japan Institute of Metals and Materials
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Journal of the Japan Institute of Metals and Materials 54 (1), 117-124, 1990
The Japan Institute of Metals and Materials
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Keywords
Details 詳細情報について
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- CRID
- 1390282681460210688
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- NII Article ID
- 130007335600
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- NII Book ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL BIB ID
- 3653977
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed