An evaluation method of bridging stresses by the bending of a deep-notched specimen and its inverse analysis

Kazuya Mori; Shinji Hashimura; Ryoichi Imai; Akira Tanaka; Tomohiko Akiyama

doi:10.1299/kikaia.64.1261

An evaluation method of bridging stresses by the bending of a deep-notched specimen and its inverse analysis

Kazuya Mori, Shinji Hashimura, Ryoichi Imai, Akira Tanaka, Tomohiko Akiyama

Research output: Contribution to journal › Article › peer-review

Abstract

An evaluation method of bridging stresses was developed on the basis of the bending of a deep-notched specimen by an inverse analysis. The inverse analysis program to determine bridging stresses from bending data is opened at the internet address (http:/www.ME.kurume-nct.ac.jp/~kmori/). Using the method, we evaluated the grain-bridging stresses of polycrystalline alumina ceramics with the mean grain size of 3 μ and 11 μ. The results obtained were as follows: (1) the mean grain size had little effect on the maximum bridging stress for alumina ceramics and, (2) there was no correlation between the maximum bridging stress and the mean bending strength for alumina ceramics.

Original language	English
Pages (from-to)	1261-1267
Number of pages	7
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	64
Issue number	621
DOIs	https://doi.org/10.1299/kikaia.64.1261
Publication status	Published - 1998
Externally published	Yes

Keywords

Alumina
Bending
Bridging stress
Ceramics
Grain size
Inverse problem
Material testing

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1299/kikaia.64.1261

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An evaluation method of bridging stresses by the bending of a deep-notched specimen and its inverse analysis. / Mori, Kazuya; Hashimura, Shinji; Imai, Ryoichi et al.
In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 64, No. 621, 1998, p. 1261-1267.

Research output: Contribution to journal › Article › peer-review

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AU - Mori, Kazuya

AU - Hashimura, Shinji

AU - Imai, Ryoichi

AU - Tanaka, Akira

AU - Akiyama, Tomohiko

PY - 1998

Y1 - 1998

N2 - An evaluation method of bridging stresses was developed on the basis of the bending of a deep-notched specimen by an inverse analysis. The inverse analysis program to determine bridging stresses from bending data is opened at the internet address (http:/www.ME.kurume-nct.ac.jp/~kmori/). Using the method, we evaluated the grain-bridging stresses of polycrystalline alumina ceramics with the mean grain size of 3 μ and 11 μ. The results obtained were as follows: (1) the mean grain size had little effect on the maximum bridging stress for alumina ceramics and, (2) there was no correlation between the maximum bridging stress and the mean bending strength for alumina ceramics.

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An evaluation method of bridging stresses by the bending of a deep-notched specimen and its inverse analysis

Abstract

Keywords

ASJC Scopus subject areas

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