Temperature and strain velocity controllable aluminum alloy compression deformation device and testing method

A strain rate, compression deformation technology, applied in the direction of temperature control, using stable tension/pressure test material strength, measuring device, etc., can solve the problem of inability to meet the requirements of mechanical experiments, inaccurate strain rate control, and small ingot size. and other problems, to achieve the effect of wide application, easy assembly and low cost

Inactive Publication Date: 2017-12-01
HEFEI UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Specifically, for example, the YLK32-100T hot extrusion machine is used to compress and deform the aluminum alloy billet, but due to the inaccurate control of the strain rate, it cannot meet the requirements of the subsequent mechanical experiments.
However, the aluminum alloy ingot is compressed and deformed by using a thermal simulation testing machine. Specifically, for example, the aluminum alloy ingot is compressed and deformed by using a Gleeble thermal simulation testing machine. The small size is not conducive to the subsequent testing of mechanical properties and the cost is high, which also has its limitations

Method used

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  • Temperature and strain velocity controllable aluminum alloy compression deformation device and testing method
  • Temperature and strain velocity controllable aluminum alloy compression deformation device and testing method
  • Temperature and strain velocity controllable aluminum alloy compression deformation device and testing method

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Embodiment Construction

[0027] Such as figure 1 As shown, the temperature and strain rate controllable aluminum alloy compression deformation device of the present invention includes a strain rate controllable loading device, in addition to a temperature controllable heating device.

[0028] The loading device with controllable strain rate is a universal testing machine, including an upper indenter 1 and a lower indenter 2 . An external lower pressing head 4 is set directly above the lower pressing head 2 as an extension part of the lower pressing head 2; a heat insulating asbestos pad 5 is arranged between the outer lower pressing head 4 and the lower pressing head 2 to avoid direct contact. An external upper pressing head 3 with a force-bearing ear plate is arranged directly below the upper pressing head 1 as an extension part of the upper pressing head 1; Insulation asbestos mats 5 to avoid direct contact. In addition, a positioning base 6 with a positioning hole is provided to be sleeved on th...

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Abstract

The invention discloses a temperature and strain velocity controllable aluminum alloy compression deformation device and a testing method. The temperature and strain velocity controllable aluminum alloy compression deformation device comprises a strain velocity controllable loading device as well as a temperature controllable heating device. By adopting the device disclosed by the invention, temperature and strain velocity can be precisely controlled, an aluminum alloy ingot can be subjected to compression deformation, and the size of a test sample after compression deformation meets later mechanical testing requirements. The device disclosed by the invention is convenient to disassemble and assemble, compression tests of an aluminum alloy material sample can be implemented at different temperature and different strain velocities by using a universal testing machine, experiment reliability is improved, and the experiment cost is reduced.

Description

technical field [0001] The invention relates to an aluminum alloy compression deformation device and a testing method with controllable temperature and strain rate, and belongs to the technical field of aluminum alloy material processing. Background technique [0002] In the laboratory environment, thermal extrusion machines or thermal simulation testing machines are generally used for temperature and strain rate controlled compression deformation tests on aluminum alloys. Specifically, for example, a YLK32-100T hot extrusion machine is used to compress and deform an aluminum alloy billet, but due to inaccurate strain rate control, it cannot meet the requirements of subsequent mechanical experiments. However, the aluminum alloy ingot is compressed and deformed by using a thermal simulation testing machine. Specifically, for example, the aluminum alloy ingot is compressed and deformed by using a Gleeble thermal simulation testing machine. The smaller size is not conducive to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/08G01N3/18G05D23/22
CPCG01N3/02G01N3/08G01N3/18G05D23/22
Inventor 杜晓东张雅李玉坤吴玉程盛泽雷璇璇葛海涛
Owner HEFEI UNIV OF TECH
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