Online monitoring method and system for hydrogen damage risk in high-pressure hydrogen environment

By monitoring the hydrogen permeation parameters of metallic materials and establishing a relationship model, the fracture toughness ratio was calculated, solving the problem of monitoring hydrogen damage risk under high-pressure hydrogen environment and improving the service safety of metallic materials.

CN122448685APending Publication Date: 2026-07-24STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE +1
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Patent Information

Application Number
CN202510114783.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing technologies cannot effectively monitor the risk of hydrogen damage to metallic materials under high-pressure hydrogen environments, nor can they detect the performance degradation of metallic materials in hydrogen environments in real time.

Method used

By obtaining the hydrogen permeation parameters of metallic materials, parameters that meet the preset conditions are selected and substituted into the pre-established relationship model between high-pressure hydrogen permeation characteristic parameters and high-pressure hydrogen damage characteristic parameters to calculate the fracture toughness ratio. Based on the fracture toughness ratio, the hydrogen damage risk level is determined.

Benefits of technology

It enables simple and effective monitoring of hydrogen damage risk to metallic materials in high-pressure hydrogen environments, thereby improving service safety.

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Abstract

The invention provides a high-pressure hydrogen environment hydrogen damage risk online monitoring method and system, and the method comprises the steps: obtaining hydrogen permeation parameters of a to-be-monitored metal material, and screening out a first parameter meeting a first preset condition from the hydrogen permeation parameters; substituting the first parameter into a corresponding pre-established relation model of a high-pressure hydrogen permeation characteristic parameter and a high-pressure hydrogen damage characteristic parameter to obtain a fracture toughness ratio of the metal material; and determining the hydrogen damage risk level of the to-be-monitored metal material in the high-pressure hydrogen environment according to the fracture toughness ratio of the metal material. According to the technical scheme provided by the invention, the problem of hydrogen damage of the metal material in the high-pressure hydrogen environment can be simply, conveniently and effectively found, and the method has great significance on service safety of the metal material in the high-pressure hydrogen environment.
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