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On-line automatic detector for mechanical parameters of materials under complex working conditions

A technology of material mechanics and complex working conditions, applied in scientific instruments, analyzing materials, testing material hardness, etc., can solve problems such as low efficiency and inconvenience, and achieve the effect of ensuring accuracy, rapid response, and high positioning accuracy

Active Publication Date: 2020-08-07
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the magnetic bases are fixed on the surface to be tested, and cannot be easily adjusted finely. It can only be adjusted manually. When changing to any measurement position, it needs to be readjusted and fixed to the surface to be tested. The whole process is extremely inconvenient and leads to low efficiency.

Method used

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  • On-line automatic detector for mechanical parameters of materials under complex working conditions
  • On-line automatic detector for mechanical parameters of materials under complex working conditions
  • On-line automatic detector for mechanical parameters of materials under complex working conditions

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Embodiment Construction

[0032]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] refer to figure 1 , figure 2 with image 3 , an online automatic detector of mechanical parameters of materials under complex working conditions, comprising a housing 46 and a precision indentation testing unit 1 arranged inside the housing 46, a base magnetic moving unit 4, a material surface grinding unit 13 and a guide rail driving unit 14; The precise indentation test unit 1 and the material surface grinding unit 13 are arranged on t...

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Abstract

The invention belongs to the technical field of precise scientific instruments, and particularly relates to an online automatic detector for the mechanical parameters of the materials under the complex working conditions. The online automatic detector comprises a shell, and a precise indentation test unit, a base magnetic force moving unit, a material surface polishing unit and a guide rail driving unit which are arranged in the shell. The precision indentation testing unit and the material surface polishing unit are arranged on the guide rail driving unit and are in sliding fit with the guiderail driving unit, and the guide rail driving unit is fixed on the base magnetic moving unit. The online automatic detector for the mechanical parameters of the materials under the complex working conditions is simple in structure, can carry out the indentation test under service conditions, can accurately solve the mechanical parameters, such as material hardness, elastic modulus, yield strength, residual stress, fracture toughness, etc., and can solve the system errors caused by displacement and load detection units in complex environments.

Description

technical field [0001] The invention belongs to the technical field of precision scientific instruments, in particular to an online automatic detector of mechanical parameters of materials under complicated working conditions. Background technique [0002] Indentation technology is a technology that loads the surface of the material through the indenter, measures the indentation area, and obtains the load-displacement curve analysis to evaluate the material performance. This technology is based on elastic mechanics. The curve is measured through experiments, the elastic modulus can be calculated from the unloading curve, the hardness value can be calculated from the maximum loading load and the contact area, and creep, residual stress, fracture toughness and other parameters can also be calculated. The on-line automatic detector of mechanical parameters of materials under complex working conditions is mainly mechanically pressed into the surface of the test piece through the...

Claims

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Application Information

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IPC IPC(8): G01N3/40G01N3/02G01N3/04
CPCG01N3/02G01N3/04G01N3/40G01N2203/0019G01N2203/0078G01N2203/0266G01N2203/0282
Inventor 张起勋高熙宇张建海刘鹏赵宏伟周立明张世忠刘欣王坤赵安然
Owner JILIN UNIV
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