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Remaining life assessment methods and remaining life assessment system of low-alloy steel
Remaining life assessment methods and remaining life assessment system of low-alloy steel
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机译：低合金钢的剩余寿命评估方法和剩余寿命评估系统
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摘要
[Problem] in the case where the thinning of low-alloy steel due to the formation of oxide scale has occurred as well, to provide the remaining life assessment methods and remaining life assessment system of low-alloy steel that can be diagnosed accurately remaining life. Remaining life assessment method of A low alloy steel, low alloy steel and the crystal grain boundaries in the metal structure on the basis of information of non-deposit zone width between the deposition phase, during the period of use of low-alloy steel estimated temperature and the step (ST11~ST13) seeking, by measuring the thickness of the low-alloy steel, measured thinning rate during the period of use of low-alloy steel wall thinning due to the generation of oxide scale of low-alloy steel and step (ST14) to seek, and the correlation between the temperature and the entire service life of the low-alloy steel of low alloy steel, the master curve shown multiple for different thinning speed, fit the estimated temperature and the actual thinning rate of low-alloy steel and a step (ST15, ST16) to estimate the remaining life of the low-alloy steel on.FIELD 3
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