Creep degradation assessment for creep-strength-enhanced ferritic steels by positron annihilation spectroscopy
Creep degradation assessment for creep-strength-enhanced ferritic steels by positron annihilation spectroscopy
批准号:
24760573
负责人:
INOUE Koji
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2012
资助国家:
日本
项目状态:
已结题
起止时间:
2012-04-01 至 2014-03-31
中文摘要
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英文摘要
Creep degradation of creep-strength-enhanced ferritic steels was studied by positron lifetime spectroscopy. Creep time dependence of mean positron lifetime consists of three regions that are decrease in initial stage, gradual decrease in middle stage, and large decrease before rupture. These regions almost correspond to transient, steady-state, and accelerating regions, respectively. Furthermore, increase of the mean positron lifetime in the initial creep time from that before creep test corresponds to formation of precipitates during the creep test in the steels. Creep life assessment by the mean positron lifetime is demonstrated.
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会议论文
陽電子寿命法によるフェライト系耐熱鋼のクリープ劣化評価
正电子寿命法评价铁素体耐热钢的蠕变劣化
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[井上耕治, 浜田知和, 中井基継, 杉田一樹, 五十嵐正晃, 白井泰治]
通讯作者:
白井泰治
Creep damage detection in refractory ferritic steels by positron annihilation spectroscopy
通过正电子湮没光谱检测铁素体耐火钢的蠕变损伤
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[K. Inoue, T. Hamada, M. Nakai, K. Sugita, M. Igarashi, Y. Shirai]
通讯作者:
Y. Shirai
陽電子消滅法による耐熱鋼のクリープ劣化評価
正电子湮灭法评价耐热钢的蠕变劣化
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[M. Hakamada, F. Hirashima, M. Mabuchi, S. Morita and N. Hattori, 前川博和,森田繁樹,眞山剛,服部信祐, 松下航也,森田繁樹,眞山剛,服部信祐, 井上耕治]
通讯作者:
井上耕治
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