High-flux test system for high-temperature gradient thermal deformation

A test system and thermal deformation technology, applied in the direction of measuring device, material thermal analysis, instrument, etc., can solve the problems affecting the accuracy of material test results, uneven temperature field, large difference in sample temperature field, etc.

Inactive Publication Date: 2019-07-26
CENT SOUTH UNIV
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  • Abstract
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Problems solved by technology

[0004] For the Gleeble thermal simulation testing machine: Since the heating method is electric current heating, there is a cold-end effect between the sample and the pressure rods at both ends, and the temperature field of the sample is not uniform, which affects the accuracy of the material test results
At the same time, another disadvantage of the current heating method is that it is only applicable to samples with equal cross-sections. For samples with variable cross-sections (such as the double-conical truncated samples claimed in this patent), the difference

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  • High-flux test system for high-temperature gradient thermal deformation
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[0026] In order to enable those skilled in the art to better understand the technical solution in the application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the drawings in the embodiment of the application. Obviously, the described implementation Examples are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0027] It should be noted that when an element is referred to as being "fixed" or "disposed on" another element, it may be directly disposed on another element or indirectly disposed on another element; when an element is referred to as being "connected" It may be directly connected to another element or indirectly connected to another element.

[0028] It i...

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Abstract

The application discloses a high flux test system for high-temperature gradient thermal deformation, and compared with the prior art, the system comprises a system frame; a resistance furnace mountedon the system frame; a pressure applying mechanism for applying a uniaxial pressure to the test workpiece in the resistance furnace; and a pressure detection mechanism is used for detecting the pressure borne by the test workpiece in the resistance furnace. Compared with the prior art, the high-flux testing system for high-temperature gradient thermal deformation provided by the invention can realize uniaxial stress compression of the samples with equal cross sections and variable cross sections and uniform distribution of the temperature field of the samples in the thermal compression process, prevent the lubricating antifriction layer from being influenced by whether the lubricating antifriction layer is conductive or not, and realize short-time quenching after high-temperature deformation.

Description

technical field [0001] The present application relates to the technical field of high-temperature thermal deformation high-throughput testing of materials, and more specifically, to a high-temperature gradient thermal deformation high-throughput testing system. Background technique [0002] At present, the main equipment for testing the thermal compression behavior of materials at high temperatures are: (1) closed high-temperature autoclaving furnace; (2) Gleeble thermal simulation testing machine (equipment brand such as: Dynamic System Inc.), but both of these equipment are Certain technical defects exist. [0003] For high-temperature hot-press furnaces: closed-type high-temperature hot-press furnaces usually use graphite heating body. Because graphite is easily oxidized at high temperature, hot-pressing needs to be carried out in an inert atmosphere or vacuum. It takes a long time to sample after the compression is completed, which makes it impossible to freeze the alloy...

Claims

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Application Information

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IPC IPC(8): G01N25/00G01B21/32
CPCG01B21/32G01N25/00
Inventor 不公告发明人
Owner CENT SOUTH UNIV
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