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High-temperature hardness measuring device and method based on induction heating

A technology of induction heating and measuring devices, applied in the direction of measuring devices, testing material hardness, strength characteristics, etc., can solve the problem that the indenter of the hardness tester is easy to be heated, and achieve the effect of ensuring accuracy

Pending Publication Date: 2020-11-27
胡强
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Problems solved by technology

[0003] One purpose of this application is to provide an induction heating-based high-temperature hardness measuring device, which aims to solve the problem in the prior art that the indenter of the hardness tester is easily heated during the test heating process

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  • High-temperature hardness measuring device and method based on induction heating
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[0029] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0030] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or posi...

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Abstract

The invention discloses a high-temperature hardness measuring device and method based on induction heating. The induction heating type high-temperature hardness testing device comprises a sample placing table, a movable base, an induction coil, a durometer pressure head, a load and a load driving mechanism used for driving the durometer pressure head and the load to move to an object to be testedand loading on the surface of the object to be tested to form an indentation. Measurement is carried out after direct induction heating of conductive materials such as metal and alloy, and measurementis carried out after induction heating of non-conductive materials such as ceramic, glass and macromolecules by wrapping the side surface of a sample with a metal heat transfer sleeve. Only the to-be-measured object or the metal heat transfer sleeve is heated in an induction heating mode; the defect of large heat influence range caused by resistance wire heating of the traditional high-temperature hardness tester is overcome; other parts of the measuring device are not easily influenced, especially the temperature of the pressure head of the hardness tester is not easily influenced, so that the mechanical property of the pressure head of the hardness tester is kept stable in the measuring process, and the high-temperature hardness of various materials at the temperature of 1000 DEG C or above can be conveniently and accurately measured.

Description

technical field [0001] The present application relates to the field of high-temperature hardness measurement of materials, in particular to an induction heating-based high-temperature hardness measurement device and method. Background technique [0002] Hardness testing is a common method for testing the mechanical properties of materials. It can indirectly reflect the differences in chemical composition, organizational structure and processing technology of materials. It is one of the fastest and most economical testing methods. At the same time, for materials used in high-temperature environments, such as aerospace and other fields, the detection of high-temperature performance is indispensable. However, at present, the high-temperature mechanical properties of materials have not been effectively used by high-temperature hardness testing. Because the current high-temperature hardness test has the following problems: ① It is necessary to ensure that the sample and the inden...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/42G01N3/54
CPCG01N3/42G01N3/54G01N2203/0019G01N2203/0078G01N2203/0222
Inventor 胡强乔国利罗俊旋周国华陈双双
Owner 胡强
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