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Low-temperature tensile test device for metal material

A technology for tensile testing and metal materials, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve problems such as high cost, cumbersome operation, and complex structure, and achieve low cost, accurate measurement results, and simple structural design reasonable effect

Inactive Publication Date: 2012-01-25
ZHENSHI GROUP EASTERN SPECIAL STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the low-temperature tensile testing devices provided by domestic testing machine factories are generally complex in structure, cumbersome in operation, and high in cost, and the tensile testing machine needs to be modified

Method used

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  • Low-temperature tensile test device for metal material
  • Low-temperature tensile test device for metal material
  • Low-temperature tensile test device for metal material

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Embodiment 1: as figure 1 , 2 As shown, the metal material low temperature tensile test device of the present invention is composed of a fixture, a sample chamber, a refrigeration system, a temperature measurement system and an extension system.

[0022] (1) Fixtures

[0023] Fixture is made of upper tension bar 1, lower tension bar 2, upper pin 3, lower pin 4. One end of the upper tension rod 1 and the lower tension rod 2 can be clamped by the stretching machine, and the other ends are respectively connected by the upper pin 3, the lower pin 4 and the test sample 20, so that the tension of the stretching machine can pass through the upper tension rod 1 , Pull the tension rod 2 to act on the test sample 20.

[0024] (2) Sample room

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Abstract

The invention relates to a low-temperature tensile test device for a metal material. The low-temperature tensile test device for the metal material consists of the following components: a pair of clamps for clamping a test sample, a sample chamber for providing a sealed space for the test sample, a refrigeration device for providing energy for cooling the test sample, a temperature measuring device for monitoring uniformity of temperature in the sample chamber and an extension device for measuring yield strength of the test sample. The device has the advantages of no need of reconstructing the conventional tensile test machine, convenience in measurement, accuracy in measurement result and low cost.

Description

technical field [0001] The invention relates to a test device, in particular to a low-temperature tensile test device for metal materials. Background technique [0002] Existing With the development of industry, steel is widely used in low temperature environment. For example: pressure vessels, ships, bridges and various field operation machinery, etc. At present, the low-temperature tensile testing devices provided by domestic testing machine factories are generally complex in structure, cumbersome in operation, high in cost, and require modification of the tensile testing machine. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a metal material low-temperature tensile test device with simple and reasonable structural design, no need to modify the existing tensile test machine, convenient measurement, accurate measurement results and low cost. [0004] The technical solution adopted by the present invention to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/18
Inventor 颜海涛申鹏李杰张恒
Owner ZHENSHI GROUP EASTERN SPECIAL STEEL
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