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Erschienen in:
2014 | OriginalPaper | Buchkapitel
5. Summary
verfasst von : Toshihiro Hanamura, Hai Qiu
Erschienen in: Analysis of Fracture Toughness Mechanism in Ultra-fine-grained Steels
Verlag: Springer Japan
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Abstract
This chapter focuses on the tensile strength and toughness of advanced steels from both the fundamental and engineering points of view. From the fundamental point of view, a unique approach of analysis based on the fracture surface energy by means of the effective grain size is employed to better understand the mechanisms of property improvement. From the engineering point of view, fracture toughness such as crack-tip-opening displacement in advanced steels is evaluated experimentally and compared to the values exhibited by already established conventional steels.