Keywords: KA-SUS304J1HTB, Internal pressure creep, Creep damage, Cracks, Sigma phase

                                                                                                                              r  R 0 R i r  

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                                              ｢材料｣ (Journal of the Society of Materials Science, Japan), Vol. 68, No. 2, pp. 142-147, Feb. 2019                            Internal pressure creep :Uniaxial creep (NIMS creep data sheet No. M-11 2) ) 750°C                




                                                                                . Semba, Y. Sawaragi, K. Ogawa, A. Natori and T. Kan, Development of SUPER304H austenitic stainless steel tubes with high temperature strength for USC boilers, Materia Japan, Vol.46, No.2, pp.99-101 (2007). 2) NIMS Creep Data Sheet, No.56 A, National Institute for Materials Science, Japan (2018). 3) K. Sawada, K. Sekido, M. Murata, K. Kamihira and K. Kimura, behavior during aging and creep in 18Cr-9Ni-3Cu-Nb-N steel, Materials Characterization, Vol.141, pp.279285 (2018). 4) N. Shinya, J. Kyono, H. Tanaka, M. Murata and Shin Yokoi, Creep rupture properties and creep fracture mechanism maps     , 




  




  




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