Ultrahigh temperature friction and wear plate specimen heating apparatus with support and method

By using electromagnetic induction heating of a graphite heating element and a hollow support module, the heating limitations and sample deformation problems of existing high-temperature friction and wear testing devices are solved, achieving uniform heating of materials and stability of normal pressure at high temperatures, and improving the accuracy of test data.

CN116840088BActive Publication Date: 2026-06-12JILIN UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JILIN UNIVERSITY
Filing Date
2023-07-07
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Existing high-temperature friction and wear testing equipment suffers from problems such as limited types of heating materials, low temperature loading, low loading rate, uneven loading, and easy deformation of samples, which leads to unstable parameters during the test and affects the accuracy of the experimental results.

⚗Method used

A heating device for ultra-high temperature friction and wear plate-shaped specimens with support is adopted. Electromagnetic induction heating of graphite heating body is used for radiation heating. Hollow graphite heating body design is combined to provide support, improve the rigidity of plate-shaped specimens, offset thermal deformation and stress deformation, and maintain constant positive pressure through water cooling system.

🎯Benefits of technology

It achieves uniform high-temperature heating of plate-shaped samples, expands the range of testable materials, increases heating temperature, protects the graphite heating element from wear, ensures the stability of the normal pressure during the test, and improves the stability and accuracy of friction force data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of with support's ultra-high temperature friction wear plate-shaped sample heating device and method, belong to material performance test field.Heating module is by the way of electromagnetic induction heating graphite heating body to plate-shaped sample radiation heating, graphite heating body can reach 2600 ℃ ultra-high temperature.Graphite heating body is designed as hollow, so that support module passes through and is assisted to support, for improving the rigidity of plate-shaped test piece, can offset the thermal deformation and stress deformation of plate-shaped sample, ensure that constant during the process of friction and wear test positive pressure, simultaneously, it can shorten the distance between graphite heating body and plate-shaped sample and increase radiation heat, and protect graphite heating body from wearing during the test process.The advantages are: simple structure, high safety, expand the range of testable materials, improve the heating temperature, protect graphite heating body from wearing, ensure the constant of positive pressure during the test process, so that the measured friction force data is more stable, accurate.
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