High-temperature fatigue crack growth behavior of 17-4 PH stainless steels

Kuei Chang Hsu; Chih Kuang Lin

High-temperature fatigue crack growth behavior of 17-4 PH stainless steels

機械工程學系

研究成果: 書貢獻/報告類型 › 會議論文篇章 › 同行評審

摘要

The fatigue crack growth (FCG) behavior was investigated for 17-4 PH stainless steels in three heat-treated conditions, i.e., unaged (Condition A), peak-aged (Condition H900), and overaged (Condition H1150), at temperatures ranging from 300 to 500 °C. The high-temperature fatigue crack growth rates (FCGRs) of Condition H1150 were increased with an increase in temperature. However, for Conditions A and H900 tested at 500 °C, the FCGRs were lower than the lower temperature ones. At 300 and 400 °C, H1150 and H900 generally showed the lowest and highest FCGRs, respectively, with Condition A demonstrating behavior between the two. At 500 °C, the FCGR curves for all material conditions were merged together. The anomalous FCG behavior of 17-4 PH stainless steels at 500 °C was mainly caused by an in-situ precipitate-coarsening effect during test.

原文	???core.languages.en_GB???
主出版物標題	11th International Conference on Fracture 2005, ICF11
頁面	2581-2586
頁數	6
出版狀態	已出版 - 2005
事件	11th International Conference on Fracture 2005, ICF11 - Turin, Italy 持續時間: 20 3月 2005 → 25 3月 2005

出版系列

名字	11th International Conference on Fracture 2005, ICF11
卷	4

???event.eventtypes.event.conference???

???event.eventtypes.event.conference???	11th International Conference on Fracture 2005, ICF11
國家/地區	Italy
城市	Turin
期間	20/03/05 → 25/03/05

引用此

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title = "High-temperature fatigue crack growth behavior of 17-4 PH stainless steels",

abstract = "The fatigue crack growth (FCG) behavior was investigated for 17-4 PH stainless steels in three heat-treated conditions, i.e., unaged (Condition A), peak-aged (Condition H900), and overaged (Condition H1150), at temperatures ranging from 300 to 500 °C. The high-temperature fatigue crack growth rates (FCGRs) of Condition H1150 were increased with an increase in temperature. However, for Conditions A and H900 tested at 500 °C, the FCGRs were lower than the lower temperature ones. At 300 and 400 °C, H1150 and H900 generally showed the lowest and highest FCGRs, respectively, with Condition A demonstrating behavior between the two. At 500 °C, the FCGR curves for all material conditions were merged together. The anomalous FCG behavior of 17-4 PH stainless steels at 500 °C was mainly caused by an in-situ precipitate-coarsening effect during test.",

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AU - Hsu, Kuei Chang

AU - Lin, Chih Kuang

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N2 - The fatigue crack growth (FCG) behavior was investigated for 17-4 PH stainless steels in three heat-treated conditions, i.e., unaged (Condition A), peak-aged (Condition H900), and overaged (Condition H1150), at temperatures ranging from 300 to 500 °C. The high-temperature fatigue crack growth rates (FCGRs) of Condition H1150 were increased with an increase in temperature. However, for Conditions A and H900 tested at 500 °C, the FCGRs were lower than the lower temperature ones. At 300 and 400 °C, H1150 and H900 generally showed the lowest and highest FCGRs, respectively, with Condition A demonstrating behavior between the two. At 500 °C, the FCGR curves for all material conditions were merged together. The anomalous FCG behavior of 17-4 PH stainless steels at 500 °C was mainly caused by an in-situ precipitate-coarsening effect during test.

AB - The fatigue crack growth (FCG) behavior was investigated for 17-4 PH stainless steels in three heat-treated conditions, i.e., unaged (Condition A), peak-aged (Condition H900), and overaged (Condition H1150), at temperatures ranging from 300 to 500 °C. The high-temperature fatigue crack growth rates (FCGRs) of Condition H1150 were increased with an increase in temperature. However, for Conditions A and H900 tested at 500 °C, the FCGRs were lower than the lower temperature ones. At 300 and 400 °C, H1150 and H900 generally showed the lowest and highest FCGRs, respectively, with Condition A demonstrating behavior between the two. At 500 °C, the FCGR curves for all material conditions were merged together. The anomalous FCG behavior of 17-4 PH stainless steels at 500 °C was mainly caused by an in-situ precipitate-coarsening effect during test.

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BT - 11th International Conference on Fracture 2005, ICF11

T2 - 11th International Conference on Fracture 2005, ICF11

Y2 - 20 March 2005 through 25 March 2005

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High-temperature fatigue crack growth behavior of 17-4 PH stainless steels

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