스테인리스강의 고온 기계적 성질에 대한 확률분포 특성
Probability Distribution Characteristics for Elevated Temperature Mechanical Properties of Stainless Steels
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The characteristics of the probability distribution for mechanical properties, e.g. tensile strength, reduction of area, and elongation, for STS304 stainless steel in elevated temperature are investigated. Tensile test is performed by constant crosshead speed controls with 1mm/min. The probability distribution function of measured mechanical properties seems to follow a 3-parameter Weibull, and shows a slight dependence on the temperature. Men the temperature is raised, the shape parameter a is increased but both the scale parameter β and location parameter γ are decreased.
Abstract
The characteristics of the probability distribution for mechanical properties, e.g. tensile strength, reduction of area, and elongation, for STS304 stainless steel in elevated temperature are investigated. Tensile test is performed by constant crosshead speed controls with 1mm/min. The probability distribution function of measured mechanical properties seems to follow a 3-parameter Weibull, and shows a slight dependence on the temperature. Men the temperature is raised, the shape parameter a is increased but both the scale parameter β and location parameter γ are decreased.