http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Type 316LN 강의 크리프 수명예측 파라메타의 표준오차 분석
김우곤(Woo Gon Kim),윤송남(Song Nam Yoon),류우석(Woo Seog Ryu) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
A number of creep data were collected and filed for type 316LN stainless steels through literature survey and experimental data produced in KAERI. Using these data, polynomial equations for predicting creep life were obtained for Larson Miller (L-M), Qrr-Sherby-Dorn (O-S-D) and Manson-Haferd (M-H) parametric methods. In order to find out the suitability for them, the relative standard error (RSE) and standard error of estimate (SEE) values were obtained by statistical process of creep data. The O-S-D parameter showed better fitting to creep-rupture data than the L-M or the M-H parameters, and the three parametric methods did not generate the large difference in the SEE and the RSE values.
고온가스로용 Hastelloy-X 강의 고온 인장 및 크리프 특성
김우곤(Woo-Gon Kim),윤송남(Song-Nam Yoon),류우석(Woo-Seog Ryu),장종화(Jonghwa Chang) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
The design of the metallic components for a high temperature gas cooled reactor (HTGR) such as hot gas ducts, intermediate heat exchanger (IHX) tube, and steam reformer tubes is principally carried out using the mechanical strength values of the tensile and creep properties. Elevated tensile and creep data for candidate alloys are needed to design the structural components operated at 900 to 1000℃. Hastelloy-X is a candidate heat-resistant alloy for the HTGR. In this study, the tensile and creep properties were investigated at the high temperature test conditions; 600 to 1000℃ in tensile and 950℃ in creep. A lot of data were collected through literature survey, and the data were analyzed in the viewpoint of the design of the HTGR structures. The fractured micrographs were also observed.