Fatigue life prediction method and device for cylindrical metal materials and electronic equipment
A fatigue life prediction, metal material technology, applied in measurement devices, analysis materials, material analysis using wave/particle radiation, etc., can solve the problem of inaccurate fatigue life prediction results, and achieve the effect of improving accuracy and reliability
Active Publication Date: 2019-12-24
武汉钢铁有限公司
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Problems solved by technology
[0005] The embodiment of the present application solves the problem of inaccurate fatigue life prediction results of cylindrical metal materials in the prior art by providing a fatigue life prediction method, device and electronic equipment for cylindrical metal materials
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[0056] The embodiments of the present application solve the problem of inaccurate fatigue life prediction results of cylindrical metal materials in the prior art by providing a fatigue life prediction method, device and electronic equipment for cylindrical metal materials.
[0057] In order to better understand the above-mentioned technical solution, the above-mentioned technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0058] It should be noted that, in the description of the present application, terms such as "first", "second", and "third" are only used to distinguish descriptions, and should not be understood as indicating or implying relative importance.
[0059] Generally, 10 is used in traditional fatigue strength design 7 The number of cycles is used as the design cr...
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The invention discloses a fatigue life prediction method and device for cylindrical metal materials and electronic equipment and relates to the technical field of life prediction of materials. The method comprises the steps of obtaining a Z-Nf curve equation (Z is a first parameter obtained according to diameters, load information and defect information of experimental materials and Nf is fatiguelife of the experimental material) through fitting the diameters, load information, defect information and fatigue life of lots of cylindrical experimental materials; configuring the Z-Nf curve equation into the electronic equipment; and finally predicting the fatigue life of the to-be-predicted metal materials on the basis of the Z-Nf curve equation and the diameters, load information and defectinformation of the to-be-predicted metal materials to obtain the fatigue life of the to-be-predicted metal materials. Through the method, the fatigue life of the cylindrical metal materials can be predicted by combining the law of relation among the diameters, the load information, the defect information and the fatigue life, thereby improving the accuracy and the reliability of the prediction result.
Description
technical field [0001] The present application relates to the technical field of material life prediction, in particular, to a method, device and electronic equipment for fatigue life prediction of cylindrical metal materials. Background technique [0002] According to authoritative statistics, 50% to 90% of mechanical parts failure is due to fatigue failure. Therefore, the research on the fatigue performance of metal materials and the prediction of fatigue life based on the fatigue failure mechanism are very important for the safe use of key components. [0003] For cylindrical metal materials, since its shape and stress characteristics determine the direct correlation between its fatigue life and internal defects, the fatigue life can be predicted by the characteristics of fatigue defects inside the material, so as to prevent some damage caused by fatigue damage. safety accidents, and further can be used in the fatigue life design of key component materials. [0004] How...
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Login to View More IPC IPC(8): G01N23/2251G01N29/06G01N29/04G01N33/2045
CPCG01N23/2251G01N29/069G01N29/043G01N33/2045G01N2291/2634
Inventor 彭文杰潘立波薛欢刘冬周文强
Owner 武汉钢铁有限公司