Tensile property detection method of titanium alloy wire

Through dynamic tensile load increment control and microcrack monitoring technology, combined with displacement field analysis and fracture mechanism analysis, a dynamic damage evolution model is constructed, which solves the problem that traditional detection methods cannot accurately capture the key performance of high-strength titanium alloy wire, and achieves higher precision and reliability tensile performance detection.

CN119715150AActive Publication Date: 2025-03-28TIPRO INT CO LTD
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Patent Information

Application Number
CN202510221298.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-03-28
Estimated Expiration
2045-02-27

AI Technical Summary

Technical Problem

Traditional titanium alloy wire tensile performance detection methods cannot fully reflect the material's behavioral characteristics under complex load conditions during loading. Especially in high-strength materials, standard constant rate loading may not accurately capture key properties such as yield, fracture and microcrack propagation.

Method used

The dynamic tensile load increment control method is adopted, combined with the dynamic correction of stress-strain data and microcrack monitoring technology, and the key behaviors of the material under different loading conditions are captured in real time, and a dynamic damage evolution model is constructed through displacement field analysis and fracture mechanism analysis.

Benefits of technology

The accurate evaluation of the tensile performance of titanium alloy wire is achieved, which can more effectively simulate the complex load conditions of the material in actual use, reduce test errors, and improve detection accuracy and reliability.

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Abstract

The invention discloses a method for detecting the tensile property of a titanium alloy wire, and relates to the technical field of material detection.The method comprises the following steps that S1, sample preparation and microstructure pre-detection are conducted; s2, carrying out pre-stretching stress distribution equalization treatment; s3, determining an area where local plastic deformation possibly occurs in the sample; s4, performing dynamic tensile load increment control; s5, displacement field analysis is introduced, and data correction is carried out; s6, microcrack monitoring is carried out; s7, fracture mechanism analysis and fracture morphology characterization are carried out; and S8, constructing a dynamic damage evolution model. According to the method, by effectively simulating complex load conditions of the titanium alloy wire in actual use, test errors caused by constant-rate loading in a traditional method are avoided. In combination with dynamic correction of stress-strain data and a micro-crack monitoring technology, key behaviors of yield, plastic deformation, crack propagation and the like of the material under different loading conditions can be captured in real time, so that the tensile property of the material is accurately evaluated.
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