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Test instrument for material mechanical properties at ultra-high temperature and high-temperature furnace used thereby

A high-temperature furnace and furnace body technology, which is applied in the fields of mechanical performance instruments, high-temperature furnaces with special structures, and ultra-high temperature mechanical performance testing instruments for materials, to achieve the effect of convenient operation and convenient use.

Pending Publication Date: 2018-05-15
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, many materials need to work at ultra-high temperatures (for example: up to 1500°C), and the research on the ultra-high temperature mechanical properties of these materials is very important. The traditional testing methods for the mechanical properties of materials are difficult to meet the actual needs.

Method used

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  • Test instrument for material mechanical properties at ultra-high temperature and high-temperature furnace used thereby
  • Test instrument for material mechanical properties at ultra-high temperature and high-temperature furnace used thereby
  • Test instrument for material mechanical properties at ultra-high temperature and high-temperature furnace used thereby

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Embodiment Construction

[0037] refer to figure 1 , shows a schematic structural view of an embodiment of the high temperature furnace of the present invention. The high-temperature furnace mainly includes a furnace body 23, a furnace bottom 28, and a furnace cover 11, wherein:

[0038]The furnace body 23 and the furnace cover 11 are connected by a dynamic sealing method. The furnace body 23 and the furnace bottom 28 are integrated by welding and leveling by machining. The through hole 10 stretches into the furnace body 23, and a cubic boron nitride (CBN) pressure head 9 made of a superhard material is set at the end of the pressure rod 35, and a dynamic sealing mechanism 6 is set at the first through hole 10, so as to During the movement of the pressure rod 35, the seal between the pressure rod 35 and the furnace body 23 is maintained. A heating body 22 is arranged in the furnace body 23, and the heating body 22 is fixed in the furnace body 23 by the heating body bracket 25. Boron sample stage 24, ...

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Abstract

The invention belongs to the field of material ultra-high temperature mechanical property testing, relates to a test instrument for material mechanical properties at ultra-high temperature, in particular to an instrument for measuring the mechanical performances (for example, indentation characteristics, hardness and the like) of an object to be tested under ultra-high temperature conditions, anda high-temperature furnace with a special structure used in the instrument. The high-temperature furnace comprises a furnace body, a furnace bottom and a furnace cover, wherein the furnace body is connected with the furnace cover in a dynamic sealing manner, the furnace body and the furnace bottom are welded and in machine-made leveling to be formed integrally. The test instrument for the materialmechanical properties at the ultra-high temperature comprises the high-temperature furnace, and further comprises a sample rotating component, a data acquiring-processing component, an automatic control component and a vacuum pumping component and / or a protective gas filling component. The test instrument for the material mechanical properties at the ultra-high temperature, disclosed by the invention, not only maintains vacuum or protective atmosphere in the high-temperature furnace to solve the problems of inconvenient operation and the like caused by that the hardness tester or indenter inthe prior art is integrally kept in the vacuum or protective atmosphere.

Description

technical field [0001] The invention belongs to the field of ultra-high temperature mechanical property testing of materials, and relates to an instrument for testing ultra-high temperature mechanical properties of materials, specifically an instrument for measuring the mechanical properties (such as indentation characteristics, hardness, etc.) of objects under ultra-high temperature conditions. And the special structure high temperature furnace used in this instrument. Background technique [0002] At present, all kinds of indentation instruments and hardness instruments mostly test the mechanical properties of the material surface at room temperature. However, in recent years, many materials need to work at ultra-high temperatures (for example: up to 1500°C), and the research on the ultra-high temperature mechanical properties of these materials is very important. The traditional testing methods for the mechanical properties of materials are difficult to meet the actual ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/54
CPCG01N3/02G01N3/54
Inventor 张磊崔学顺周玉铎
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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