Metal surface thin liquid film forming, controlling and measuring equipment

A technology of metal surface and measuring equipment, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems that are not conducive to the corrosion test of metal thin liquid film, and the thickness of thin liquid film cannot be controlled, so as to achieve stable thickness, accurate thickness and convenient The effect of the operation

Inactive Publication Date: 2019-04-05
NO 59 RES INST OF CHINA ORDNANCE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thickness of the thin liquid film formed in this way will change with time, and the thickness of the thin liquid film cannot be controlled, which is not conducive to the corrosion test of the metal thin liquid film in the simulated atmospheric environment

Method used

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  • Metal surface thin liquid film forming, controlling and measuring equipment
  • Metal surface thin liquid film forming, controlling and measuring equipment
  • Metal surface thin liquid film forming, controlling and measuring equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1: as Figure 1-7 As shown, a thin liquid film generation device on a metal surface includes a thin liquid film generation device, a sample stage, a thin liquid film thickness detection device, and a control computer.

[0038] Wherein, the thin liquid film generating device includes a box body with an atomizer, and a liquid storage tank is arranged in the box body, and the liquid storage tank is connected with the housing of the atomizer through a pump. The shell of the nebulizer is also connected with compressed air, and a mist flow pipe is arranged on the other side of the shell opposite to the compressed air, and the mist flow pipe extends out of the box and is aligned with the sample stage.

[0039] A sample placement area is arranged on the sample platform, and the metal sample is placed on the sample placement area, and the outlet of the mist flow pipe is aligned with the metal sample. Wherein, the outlet of the mist flow pipe can be fixed or adjustabl...

Embodiment 2

[0042] Embodiment 2: as Figure 1-7 As shown in and 13, a thin liquid film generation device on a metal surface includes a thin liquid film generation device, a sample stage, a thin liquid film thickness detection device, and a control computer.

[0043] The thin liquid film generating device includes a box body 2 with an atomizer 1, and a liquid storage tank 3 is arranged in the box body, and the liquid storage tank is connected with the housing 5 of the atomizer through a pump 4, The shell of the nebulizer is also connected with compressed air, and a mist flow pipe 6 is arranged on the other side of the shell opposite to the compressed air, and the mist flow pipe extends out of the box and is aligned with the sample stage.

[0044] Wherein, the outlet of the mist flow pipe is also connected with a mist outlet box 7, and a mist outlet 71 is arranged on the end face of the mist outlet box. And the mist outlet can be seen through the size of the opening of the valve regulator,...

Embodiment 3

[0065] Embodiment 3: as Figure 8-12 This embodiment provides a method for forming a thin liquid film on a metal surface, comprising the following steps:

[0066] The first step: place the metal sample in the sample placement area on the sample stage;

[0067] Step 2: Add electrolyte solution to the calibration position in the liquid storage tank, turn on the heater to heat the electrolyte solution to 25-35°C;

[0068] Step 3: Start the nebulizer, air compressor, circulating peristaltic pump and sample stage in sequence, adjust the atomization volume of the nebulizer to 2.5kg / h~4.5kg / h, and the mist output pressure to 0.1~0.15 Mpa. The platform inclination angle is 0~60°;

[0069] Step 4: Control the displacement of the X-axis guide mechanism, Y-axis guide mechanism and Z guide mechanism through the control computer to adjust the position of the fiber optic probe, run the control software of the fiber optic spectrometer, adjust the position of the fiber optic probe, and opti...

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Abstract

The invention discloses metal surface thin liquid film forming, controlling and measuring equipment. The metal surface thin liquid film forming, controlling and measuring equipment is characterized bycomprising a thin liquid film forming device, a sample stage, a thin liquid film thickness detection device and a control computer, wherein the thin liquid film forming device comprises a box body with a mistorizer, and a liquid storage tank is arranged in the box body; the liquid storage tank is connected with a shell body of the mistorizer through a pump, and compressed air is further connectedto the shell body; a fog flow pipeline is arranged on the side, opposite to the compressed air, of the shell body, and the fog flow pipeline stretches out of the box body and is aligned with the sample stage; and a sample placing area is arranged on the sample stage, and the sample placing area is opposite to an outlet of the fog flow pipeline, and the sample stage is provided with an adjustableinclination angle. By adopting the metal surface thin liquid film forming, controlling and measuring equipment, a thin liquid film with a controllable and stable thickness can be formed on a metal surface.

Description

Technical field: [0001] The invention relates to an electrochemical measurement system in the measurement of atmospheric erosion, corrosion or anticorrosion, in particular to a device for forming a thin liquid film on a metal surface. Background technique: [0002] The corrosion of metals in the atmosphere is an electrochemical process. Since water vapor condenses or adsorbs on the metal surface to form a thin liquid film, the corrosion process not only obeys the general law of electrochemical corrosion, but also has the characteristics of atmospheric corrosion itself. Atmospheric corrosion is electrochemical corrosion under a thin liquid film. The kinetics (speed) of the corrosion process is closely related to the polarization of electrodes (cathode, anode), mass transfer process and ion migration. For example, as the thickness of the liquid film on the metal surface increases, the thickness of the effective diffusion layer of oxygen through the water film also increases, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/02G01B11/06
CPCG01B11/06G01N17/02
Inventor 何建新王玲佘祖新张伦武周堃朱玉琴罗勇李超
Owner NO 59 RES INST OF CHINA ORDNANCE IND
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