金属任意腐蚀损伤量的日历寿命计算模型和曲线
Model and curve of calendar life calculation for metal arbitrary corrosion damage value
Received date: 2017-01-06
Revised date: 2017-04-26
Online published: 2017-05-21
张福泽 . 金属任意腐蚀损伤量的日历寿命计算模型和曲线[J]. 航空学报, 2017 , 38(9) : 221110 -221110 . DOI: 10.7527/S1000-6893.2017.221110
Worldwide research on mechanical calendar life is carried out to obtain the calendar life of the metal under the premise of existing corrosion damage tolerance Dc. To make the application more available, this paper does not assume the existing corrosion damage tolerance Dc, and instead takes Dc as a variable and attempts to attain the calendar life of metal arbitrary corrosion damage Di. It is found that the product of the concentration of corrosion experiment dt and the experiment time Ht,divided by corrosion damage Dt, which is obtained from experiment, is equal to a constant. Therefore, a simple and highly feasible calculation model for metal arbitrary corrosion damage and the corresponding solution curve can be obtained. Through this model or curve, the calendar life of metal arbitrary corrosion damage can be obtained.
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