An apparatus and method for conducting a press-in corrosion test of an alloy steel

The alloy steel indentation corrosion testing device and method have enabled accurate simulation and real-time multi-parameter analysis of alloy steel in complex environments. This has solved technical problems that are difficult to address in existing technologies, met technical challenges that have not been addressed in existing technologies, provided real-time early warning capabilities for sudden corrosion failures, and improved the accuracy of the test and the reliability of the data.

CN122409474APending Publication Date: 2026-07-17CNNC NUCLEAR POWER OPERATION MANAGEMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CNNC NUCLEAR POWER OPERATION MANAGEMENT CO LTD
Filing Date
2026-04-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing alloy steel indentation corrosion testing technology is difficult to accurately reproduce working conditions, cannot achieve real-time fusion analysis of multiple parameters, lacks early warning capability for sudden corrosion failure, and there are significant differences between laboratory simulation environment and real working conditions.

Method used

An alloy steel indentation corrosion testing device was designed, which includes modules for environmental parameter acquisition, main control, parameter adjustment, medium circulation, indentation testing, monitoring and analysis. Combined with a six-dimensional indentation test head and a multi-modal sensor network, it realizes real-time monitoring and analysis of multiple parameters.

Benefits of technology

It achieves accurate simulation of alloy steel in complex environments with an error of less than 5%, supports long-term safe operation, provides TB-level data for a single test, shortens the analysis cycle by 90%, and meets multiple international standards.

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Abstract

本发明涉及材料腐蚀与服役性能检测技术领域,尤其涉及一种合金钢压入法腐蚀试验装置及方法。所述方法为:将试样放入试验舱内,通过环境参数采集模块利用传感器采集试验舱内环境温度、湿度、压力、气体成分数据;通过主控模块接收环境数据后,与参数调整模块进行信息交互,参数调整模块控制和调节试验舱内的多种环境参数;向试验舱内输送和循环试验所需的腐蚀介质;利用六维压入测试头实时测量压入过程中的力和位移信号;进行表面形貌监测、力学性能监测、腐蚀产物监测、电化学监测,对采集到的数据进行处理、分析和挖掘,主控模块汇总监测结果,对数据进行显示。本发明能够精准复现工况,实现多参量实时融合分析,实时预警突发性腐蚀失效。
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