Prediction of creep crack initiation and growth for P91 at 600°C using MOD-NSW model

Jae Jun Han, Han Sang Lee, Yun Jae Kim, Nak Hyun Kim, Woo Gon Kim, Hyeong Yeon Lee, Dong Wook Jerng

研究成果: Article査読

3 被引用数 (Scopus)

抄録

In this paper, predictions of creep crack initiation times and growth rates using the NSW-MOD model are compared with experimental data for the parent and weld metals of P91 at 600°C. For the weld metal, creep crack growth rates are found to be bounded by upper and lower bounds of the predictions, but creep crack initiation times are close to the upper bound. For the parent material, creep crack growth rates are bounded by upper and lower bounds of the predictions using the minimum creep rates, but creep crack initiation times are bounded by those using the average creep rates.

本文言語English
ページ(範囲)125-136
ページ数12
ジャーナルStrength, Fracture and Complexity
9
1
DOI
出版ステータスPublished - 2015 5月 20
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 材料力学
  • 機械工学

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