Characterization of Debinding Behavior for Powder Compacts using an X-ray CT Scanner.
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- Arakawa Hisashi
- Advanced Technology Research Laboratories, Sumitomo Metal Industries, Ltd.
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- Ohashi Yoshihisa
- Advanced Technology Research Laboratories, Sumitomo Metal Industries, Ltd.
Bibliographic Information
- Other Title
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- 粉末プロセスの制御と製品評価II X線CTスキャナによる粉末成形体脱バインダ挙動評価
- Xセン CT スキャナ ニヨル フンマツ セイケイタイ ダツ バインダ キョド
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Abstract
X-ray CT scanners are able to measure density distributions in materials without destruction. Since removal of binder causes density change, debinding behavior for alumina powder compacts was evaluated using one of the scanners. In the thermal debinding processes for these compacts, the decrease in average CT value, which corresponds to the overall decrease in X-ray energy penetrated through a compact, was found to be proportional to the decrease in density. The coefficient between the average CT value change and the decrease in density was unique under deferent debinding temperatures and deferent density distributions. Therefore, the binder losses in each cross section in compacts can be estimated by measuring changes in CT value of each section. Thus the binder losses in compacts which had density deference in the axial direction were examined. It was revealed that in the case that a compact is placed with higher density in an upper portion while debinding, the binder loss in a lower portion tends to be less than the other cases.
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 44 (5), 422-426, 1997
Japan Society of Powder and Powder Metallurgy
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Keywords
Details 詳細情報について
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- CRID
- 1390001206307380480
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- NII Article ID
- 10002013792
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- NII Book ID
- AN00222724
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- ISSN
- 18809014
- 05328799
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- NDL BIB ID
- 4205760
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed