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A dynamic closed automatic deformation test system of a high temperature tester

A technology of deformation testing and high-temperature testing, applied in the direction of applying stable tension/pressure to test the strength of materials, instruments, measuring devices, etc., can solve the problems of sample oxidation and inability to meet various atmospheric conditions, and achieve the goal of improving accuracy Effect

Active Publication Date: 2015-12-30
SINOSTEEL LUOYANG INST OF REFRACTORIES RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The purpose of the present invention is to overcome the deficiency that the existing tester (or testing machine) easily oxidizes the sample and cannot meet the test of various atmospheric conditions, and provides a dynamic airtight automatic deformation testing system of the high temperature tester

Method used

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  • A dynamic closed automatic deformation test system of a high temperature tester
  • A dynamic closed automatic deformation test system of a high temperature tester
  • A dynamic closed automatic deformation test system of a high temperature tester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 is an automatic deformation testing system of a controlled-atmosphere high-temperature three-point bending six-sample stress-strain tester.

[0027] The high-temperature test furnace body 14 of the tester is a sealed furnace body, that is, the metal shell adopts a full welding process to seal all seams, and the furnace mouth and other parts that need to be opened are fastened and sealed with sealing rings and metal clips. The test furnace system is equipped with Ventilation devices, vacuum devices, pressure vacuum gauges, thermocouples for temperature measurement, etc. for introducing protective atmosphere. Six strip samples 12 are loaded in the test furnace, and a displacement sensor measuring rod 10 for measuring deformation is installed below the central part of the lower surface of the first strip sample 12. The scheme of the present embodiment 1 is, in the displacement sensor device A sealing mechanism is arranged on the periphery of the furnace body, ...

Embodiment 2

[0049] Embodiment 2 is an automatic deformation testing system of a controllable atmosphere high temperature load soft creep tester. On the basis of Example 1, the sample is a cylindrical sample 12 with a through hole in the center according to the national standard GB / T5989-2008 "Refractory Material Load Softening Temperature Test Method Differential Heating Method", cylindrical sample 12 Gaskets are placed on the upper and lower end surfaces of the upper and lower gaskets, the upper gasket has no holes, the lower gasket has a central hole of the same size, and the lower gasket is placed on the lower support rod with the same central hole set according to the standard. The upper end of the measuring rod 10 Through the lower support rod, the lower gasket and the central hole of the cylindrical sample 12, it contacts the lower surface of the upper gasket.

[0050] Work points:

[0051] Place the lower gasket with the central hole on the lower support rod with the central hol...

Embodiment 3

[0058] Embodiment 3 is an automatic deformation testing system of a controlled-atmosphere high-temperature thermal expansion tester. On the basis of Example 1, according to the national standard GB / T7320-2008 "Refractory Thermal Expansion Test Method", the high-temperature test furnace furnace body 14 is a horizontal horizontal sealing body, and the test furnace system is provided with aeration device, vacuum Devices, pressure vacuum gauges, temperature measuring thermocouples, etc. Cylindrical sample 12 is horizontally placed in the sample loading tube, the measuring end of sample 12 is in contact with measuring rod 10 for measuring deformation, the outer end of measuring rod 10 is displacement sensor 26, and sealing mechanism is arranged on the periphery of displacement sensor device, described The sealing mechanism is arranged on the moving frame 22 outside the furnace body 14, and a driving mechanism for driving the moving frame 22 is arranged on one side of the moving fra...

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Abstract

The invention discloses a dynamic and airtight automatic deformation testing system of a high temperature tester. The test furnace is a sealed furnace body (14), on which a ventilating device for introducing a protective atmosphere and a vacuum pumping device are arranged. device, a displacement sensor device for measuring deformation is also provided on the furnace body (14), which includes a displacement sensor (26) and a measuring rod (10). One end of the measuring rod (10) contacts the sample (12), and the other end is set On the measuring sleeve (16), the measuring sleeve (16) is connected to the displacement sensor (26) through a spring, and a sealing mechanism is set outside the measuring sleeve (16) and the displacement sensor (26), and the sealing mechanism is set on the furnace body (14) Inside the external mobile frame (22), a driving mechanism for driving the mobile frame (22) is provided on one side of the mobile frame (22). The invention solves the sealing problem of the automatic deformation test system of the high-temperature tester under the dynamic operation state, realizes the driving and adjustment of the displacement sensing device during the continuous deformation measurement of multiple samples, and is convenient and reliable.

Description

technical field [0001] The invention belongs to testing instruments, and relates to a displacement measuring system, in particular to a dynamic airtight automatic deformation testing system of a high temperature tester. Background technique [0002] High-temperature compressive strain, three-point bending stress-strain, load softening temperature, compressive creep, thermal expansion and other deformation-related testing techniques of materials all need to test the deformation of materials under the action of heat, force, and time duration. [0003] High-temperature three-point bending stress-strain is to apply three-point bending stress to the sample at a certain temperature at a certain constant stress or constant displacement increase rate, and the sample will produce bending deformation with the increase of stress. Point bending stress-strains are interrelated and dependent. [0004] High-temperature compressive stress-strain is to apply compressive stress to the sample...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/18G01N3/02
Inventor 李永刚李晓睿刘克谭丽华邵昕刘祎冉蔚晓敏申西杰
Owner SINOSTEEL LUOYANG INST OF REFRACTORIES RES
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