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Study on Fracture Toughness Evaluation by centre-notched small size specimen for heavy-thick steel plates

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Abstract

In order to evaluate the fracture toughness of steel plates, centre-notched wide plate tension test is usually conducted using 400 mm width specimens. However, a large testing machine and huge expenditures are necessary in the case of 50–90 mm heavy-thick steel plates. In this paper, centre-notched small size tension test is proposed to evaluate the fracture toughness of heavy-thick steel plates by a simplified method. That is, centre-notched small size tension test specimens using the steel plate thickness (70 mm) as the specimen — width were made and employed for the tests, and the test results were evaluated and investigated.

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References

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  3. Yajima H., Watanabe E., Jia Z.M., Yoshimoto K., Ishikawa T., Funatsu Y.: Study on fracture toughness of welded joints for heavy-thick steel plates by centre-notched small size specimen, Doc. IIW-2101, Welding in the World, 2011, vol. 55, no. 5/6, pp. 84–92.

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Correspondence to Hiroshi Yajima.

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Yajima, H., Watanabe, E., Jia, Z.M. et al. Study on Fracture Toughness Evaluation by centre-notched small size specimen for heavy-thick steel plates. Weld World 55, 78–83 (2011). https://doi.org/10.1007/BF03321297

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  • DOI: https://doi.org/10.1007/BF03321297

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