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The Effect of Tempering Conditions on the Delayed Fracture Characteristics of Carburized Steels YAMAHA Motor Company, Limited
- Format:
- Book
- Conference/Event
- Author/Creator:
- Inoue, Yoichi, author.
- Conference Name:
- JSAE/SAE Small Engine Technologies Conference & Exhibition (2017-11-05 : Jakarta, Indonesia)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Tokyo, JAPAN Society of Automotive Engineers of Japan 2017
- Summary:
- A carburizing is widely applied for many kinds of engine components for motorcycles. On the other hand, a delayed fracture phenomenon of strengthened steel materials occurred under actual usage is a serious concern. The delayed fracture characteristics of surface modified steels such as a carburized steels followed by a tempering have a difficulty being evaluated by only measuring a partial characteristic of the hardened portion due to the existence of an inhomogeneity of a microstructure and a gradient of strength. Therefore, the studies on the characteristics of the delayed fracture of the surface modified steels are not so many.In this paper, the authors evaluated the delayed fracture characteristics of carburized and tempered actual components by comparing hydrogen desorption curves acquired with a thermal desorption spectroscopy using hydrogen-charged specimens with changing tempering conditions. The results from this survey indicates that the delayed fracture characteristics have a relationship with the microstructural transformation of the tempered martensite depending on the tempering conditions for the carburized steels
- Notes:
- Vendor supplied data
- Publisher Number:
- 2017-32-0006
- Access Restriction:
- Restricted for use by site license
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