Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Yasuharu CHUMAN"'
Autor:
Takashi HONDA, Takuya FUKAHORI, Toshihide IGARI, Yasuharu CHUMAN, Takumi TOKIYOSHI, Alan CF COCKS
Publikováno v:
Mechanical Engineering Journal, Vol 4, Iss 5, Pp 16-00697-16-00697 (2017)
From the standpoint of evaluating Type IV creep damage in the fine-grained heat affected zones (FGHAZ) of welded joints, an analysis method combining continuum damage mechanics (CDM) and a cavity nucleation model is proposed and applied to the creep
Externí odkaz:
https://doaj.org/article/820072fda41e4d2fb7f81b88f24a1f22
Autor:
Yue Su, Wenhui Qiu, Shao-Shi Rui, Yasuharu Chuman, Shunsaku Matsumoto, Yi-Bo Shang, Li-Sha Niu, Hui-Ji Shi
Publikováno v:
International Journal of Fatigue. 113:264-276
The effect of applied cyclic load, including the maximum plastic strain e max p and the plastic strain amplitude e a p on final misorientation level of post-mortem low alloy steel after low cycle fatigue (LCF) test, was analyzed by Electron Back-Scat
Publikováno v:
Engineering Fracture Mechanics. 191:344-364
Dissimilar metal welded structures (DMWs) have been used extensively in conventional and nuclear power generation plants. Evaluation of creep rupture properties of DMWs is critical to the structural integrity assessment. Failure of DMWs can occur in
Publikováno v:
Materials at High Temperatures. 34:194-207
Utilising the random-fracture-resistance model of grain boundaries, micro-macro combined creep damage simulation was applied to the prediction of the distribution of small defects in the FGHAZ (fin...
Autor:
Jianan Hu, Yasuharu Chuman, Elsiddig Elmukashfi, Alan C.F. Cocks, Takuya Fukahori, Toshihide Igari
Publikováno v:
Engineering Fracture Mechanics. 218
Dissimilar metal welded structures (DMWs) used extensively in conventional and nuclear power plants can suffer from in-service failures at the dissimilar interface with a much reduced life compared to similar metal weld counterparts at the same opera
Autor:
Takashi Honda, Yasuharu Chuman, Toshihide Igari, Takumi Tokiyoshi, Takuya Fukahori, A.C.F. Cocks
Publikováno v:
International Journal of Pressure Vessels and Piping. 189:104251
Since creep strength reduction of mod.9Cr-1Mo steel welds in long-term creep was confirmed experimentally, residual life prediction for Type IV creep failure has been an important theme in Ultra Super Critical (USC) plants after long-term service. Th
Autor:
Yasuharu Chuman, Takashi Honda, Takumi Tokiyoshi, Toshihide Igari, Alan C.F. Cocks, Takuya Fukahori
Publikováno v:
Mechanical Engineering Journal, Vol 4, Iss 5, Pp 16-00697-16-00697 (2017)
From the standpoint of evaluating Type IV creep damage in the fine-grained heat affected zones (FGHAZ) of welded joints, an analysis method combining continuum damage mechanics (CDM) and a cavity nucleation model is proposed and applied to the creep
Publikováno v:
Materials at High Temperatures. 33:636-643
The multi-axial creep strength of circumferential welds in power piping, including failure mode and failure life against a wide range of stress ratios and stress levels, was newly examined in this paper. The creep rupture behaviour of modified 9Cr–
Publikováno v:
Procedia Structural Integrity. 2:934-941
Dissimilar metal welds between ferritic and austenitic alloys are used extensively in power generation plants. Failure of such welds can occur in the base metal, the heat-affected zone (HAZ), or the interface between the two materials, depending on t
Autor:
Yasuharu Chuman, Takuya Fukahori, Fumiko Kawashima, Fujita Masaaki, Toshihide Igari, Takumi Tokiyoshi
Publikováno v:
Journal of the Society of Materials Science, Japan. 62:82-87