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Monitoring the Fatigue Damage in Ductile Cast Iron by AE Technology

発表形態:
原著論文
主要業績:
主要業績
単著・共著:
分担執筆の単著
発表年月:
2015年10月
DOI:
会議属性:
指定なし
査読:
有り
リンク情報:

日本語フィールド

著者:
Md. T. Islam Khan, T. Nagao, Y. Kondo, K. Teramoto, N. Hattori
題名:
Monitoring the Fatigue Damage in Ductile Cast Iron by AE Technology
発表情報:
International Journal of Condition Monitoring and Diagnostic Engineering Management (COMADEM) 巻: 18 号: 4 ページ: 27-33
キーワード:
AE technique; Non-destructive evaluation; Ductile cast iron; Crack initiation; Fatigue damage evaluation.
概要:
抄録:
Damage initiation and propagation characteristics of ductile cast iron due to crack, micro-crack have been investigated by acoustic emission (AE) technique. As spheroidal graphite cast iron has high strength as well as excellent workability and damping capacity, it has been widely used in automobile as well as in many other engineering applications. However, the damage initiation of the spheroidal graphite cast iron might depend not only on the graphite size but also on the distribution of the graphite nodules. The fatigue failures of this spheroidal graphite cast iron caused by cracks and micro-cracks have been investigated sequentially by AE technique. AE events during the initiation of cracks and micro-cracks have been characterized by comparing the microstructural images of the specimen. The result shows good acquisition performance in the evaluation process.

英語フィールド

Author:
Md. T. Islam Khan, T. Nagao, Y. Kondo, K. Teramoto, N. Hattori
Title:
Monitoring the Fatigue Damage in Ductile Cast Iron by AE Technology
Announcement information:
International Journal of Condition Monitoring and Diagnostic Engineering Management (COMADEM) Vol: 18 Issue: 4 Page: 27-33
Keyword:
AE technique; Non-destructive evaluation; Ductile cast iron; Crack initiation; Fatigue damage evaluation.
An abstract:
Damage initiation and propagation characteristics of ductile cast iron due to crack, micro-crack have been investigated by acoustic emission (AE) technique. As spheroidal graphite cast iron has high strength as well as excellent workability and damping capacity, it has been widely used in automobile as well as in many other engineering applications. However, the damage initiation of the spheroidal graphite cast iron might depend not only on the graphite size but also on the distribution of the graphite nodules. The fatigue failures of this spheroidal graphite cast iron caused by cracks and micro-cracks have been investigated sequentially by AE technique. AE events during the initiation of cracks and micro-cracks have been characterized by comparing the microstructural images of the specimen. The result shows good acquisition performance in the evaluation process.


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