Effect of dissolved oxygen and temperature on fatigue crack growth rate behaviour of SA312 Type 304L(N) material in water environment
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- 作者：Punit Arora ; punit@barc.gov.in ; P.K. Singh ; V. Bhasin ; A. Rama Rao
- 关键词：Fatigue crack growth rate ; Stress intensity factor range ; Dissolved oxygen ; Striations ; Deformation induced martensite
- 刊名：International Journal of Fatigue
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：95
- 期：Complete
- 页码：204-215
- 全文大小：4363 K
- 卷排序：95
文摘
Fatigue crack growth rate tests conducted in water at room temperature and 300 °C on SS 304L(N) material. The dissolved oxygen levels in water were varied from 10 ppb to 1500 ppb. Higher fatigue crack growth rate in water at room temperature under 0.005 Hz is primarily due to deformation induced martensite. Higher fatigue crack growth rate in water at 300 °C is due to corrosion-fatigue synergistic damage.