Thermal fatigue test method and equipment with customized thermal cycle period

By designing customized thermal fatigue testing equipment for thermal cycle periods, the problem that existing equipment cannot meet the multi-condition testing is solved, precise temperature control and measurement are achieved, and the accuracy and reliability of the test are improved.

CN120352286APending Publication Date: 2025-07-22ZHENGZHOU UNIVERSITY OF AERONAUTICS
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Patent Information

Application Number
CN202510508280.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

Existing thermal fatigue testing equipment cannot meet the thermal fatigue testing requirements for the same test material under multiple operating conditions, and the temperature is easily affected by water vapor during detection, resulting in inaccurate measurement.

Method used

A thermal fatigue testing equipment customized for thermal cycle period is designed, including a rotation system, a temperature regulation system and a temperature detection system. Through the temperature controller, the temperature control and rotation control of the sample under various operating conditions is realized, and a wired temperature detection probe is used to avoid water vapor interference.

Benefits of technology

Accurate thermal fatigue testing of the sample under various operating conditions is achieved, improving the accuracy of temperature measurement and the reliability of tests.

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Abstract

The invention provides a thermal cycle period customized thermal fatigue test method and equipment, the equipment comprises a rotation system, a heating unit, a cooling unit, a temperature detection probe, a temperature detector and a temperature controller, the temperature controller outputs signals to control the rotation system and a temperature adjusting system, thermal and cold circulation of a workpiece is realized, and the thermal fatigue test efficiency is improved. The temperature value of the sample in the whole cycle period is obtained through signal input of the temperature detector, the temperature controller compares the temperature fed back by the temperature detector with the set temperature, then the rotating system, the cooling unit and the heating unit are regulated and controlled and optimized continuously, and fitting of temperature waveforms is achieved. According to the equipment, through cooperative work of the temperature controller, the temperature adjusting system, the temperature detector and the rotating system, temperature control and rotating control on the sample placing platform are realized, so that the thermal fatigue test requirements of the same test material under various working conditions are met.
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