The effect of grinding on bending strength of alumina and statistical analysis based on multi-modal Weibull distribution.
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- MATSUO Yohtaro
- Faculty of Engineering, Tokyo Institute of Technology
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- OGASAWARA Toshio
- Faculty of Engineering, Tokyo Institute of Technology
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- KIMURA Shiushichi
- Faculty of Engineering, Tokyo Institute of Technology
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- YASUDA Eiichi
- Research Laboratory of Engineering Materials, Tokyo Institute of Technology
Bibliographic Information
- Other Title
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- アルミナの曲げ強度に及ぼす研削加工の影響と多重モードワイブル分布
- アルミナ ノ マゲ キョウド ニ オヨボス ケンサク カコウ ノ エイキョウ
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Abstract
In this work, a new distribution function for fracture strength based on the multi-modal Weibull distribution function has been suggested in order to estimate the fracture behavior of brittle materials with ground surface. Furthermore, a new estimating method called “2-step estimation” for estimating the Weibull parameters accurately has been developed. The bending tests of alumina ceramics ground by a diamond wheel have been carried out and the following results were obtained.<br>(1) The fracture origins of alumina specimens with ground surface were controlled by the competition between the pre-existing cracks and the machining induced scratch cracks.<br>(2) The distribution function formulated in this work can explain the anisotropy of the bending strength of alumina specimens with ground surface fairly well.<br>(3) The bending strength of alumina specimens used in this experiment was proportional to -1/2 power of the abrasive diameter in the region larger than 40μm.
Journal
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- Journal of the Society of Materials Science, Japan
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Journal of the Society of Materials Science, Japan 36 (401), 166-172, 1987
The Society of Materials Science, Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390001205393404032
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- NII Article ID
- 110002297018
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- NII Book ID
- AN00096175
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- ISSN
- 18807488
- 05145163
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- NDL BIB ID
- 3131811
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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