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High Cycle Fatigue Strength of Spring Steel with Small Scratches

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Advances in Structural Integrity

Abstract

When the compression coil springs are subjected to high cyclic stress, fatigue crack sometimes initiates and propagates from small scratch or defect produced in the manufacturing process. However, there are a limited number of studies on the fatigue behavior of high-strength spring steel in the presence of small scratch. In this study, the fatigue tests were conducted to examine the uniaxial fatigue behavior of a high-strength spring steel (JIS G 3561, SWOSC-V) in the presence of small circumferential notches. Based on \(\sqrt{area}\) parameter model, the sensitivity of hard steels, including a high-strength spring steel, to small scratches was qualitatively and quantitatively examined.

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Author information

Authors and Affiliations

  1. Materials Engineering R&D Division, DENSO Corporation, 1-1 Syowa-cho, Kariya City, 448-8661, Japan

    Yoshiro Nishimura, Susumu Miyakawa & Nobuyuki Miyamoto

  2. Department of Mechanical Engineering, Fukuoka University, 8-19-1 Nanakuma Jonan-ku, Fukuoka City, 814-0180, Japan

    Masahiro Endo, Keiji Yanase & Yuichi Ikeda

  3. Institute of Materials Science and Technology, Fukuoka University, 8-19-1 Nanakuma Jonan-ku, Fukuoka City, 814-0180, Japan

    Masahiro Endo & Keiji Yanase

Authors
  1. Yoshiro Nishimura
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  2. Masahiro Endo
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  3. Keiji Yanase
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  4. Yuichi Ikeda
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  5. Susumu Miyakawa
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  6. Nobuyuki Miyamoto
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Corresponding author

Correspondence to Yoshiro Nishimura .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

    Raghu Prakash

  2. Department of Materials Engineering, Indian Institute of Science, Bangalore, Karnataka, India

    Vikram Jayaram

  3. Department of Mechanical Engineering, University of Arkansas, Fayetteville, Arkansas, USA

    Ashok Saxena

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© 2018 Springer Nature Singapore Pte Ltd.

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Cite this paper

Nishimura, Y., Endo, M., Yanase, K., Ikeda, Y., Miyakawa, S., Miyamoto, N. (2018). High Cycle Fatigue Strength of Spring Steel with Small Scratches. In: Prakash, R., Jayaram, V., Saxena, A. (eds) Advances in Structural Integrity. Springer, Singapore. https://doi.org/10.1007/978-981-10-7197-3_45

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  • DOI: https://doi.org/10.1007/978-981-10-7197-3_45

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-7196-6

  • Online ISBN: 978-981-10-7197-3

  • eBook Packages: EngineeringEngineering (R0)

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