CN115046917A - Metal material corrosion performance test system - Google Patents

Metal material corrosion performance test system Download PDF

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Publication number
CN115046917A
CN115046917A CN202210539449.XA CN202210539449A CN115046917A CN 115046917 A CN115046917 A CN 115046917A CN 202210539449 A CN202210539449 A CN 202210539449A CN 115046917 A CN115046917 A CN 115046917A
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CN
China
Prior art keywords
metal sample
metal
corrosion performance
testing
metal material
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Pending
Application number
CN202210539449.XA
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Chinese (zh)
Inventor
耿树江
潘俊安
张涛
王福会
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Northeastern University China
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Northeastern University China
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Publication date
Application filed by Northeastern University China filed Critical Northeastern University China
Priority to CN202210539449.XA priority Critical patent/CN115046917A/en
Publication of CN115046917A publication Critical patent/CN115046917A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/006Investigating resistance of materials to the weather, to corrosion, or to light of metals

Abstract

The invention relates to a system for testing the corrosion performance of a metal material.A stress loading device is arranged on a top plate of a test stand, the end part of the stress loading device is connected with one end of a metal sample, the other end of the metal sample is connected with a bottom plate of the test stand, and external force can be applied to the metal sample through the stress loading device so as to simulate the real stress condition of the metal sample. In the invention, the temperature control device is in heat conduction connection with the metal sample and is used for providing a high-temperature environment for the metal sample. The outlet end of the gas injection device is arranged towards the metal sample and used for spraying corrosive gas to the metal sample to simulate real atmosphere and marine environment. The stress loading device, the temperature control device and the air injection device can simulate a heat-force-chemical coupling environment and simulate a real use scene of the metal material so as to explore the influence of the coupling effect of temperature, stress and corrosive gas on the corrosion resistance of the metal and further comprehensively test the corrosion resistance of the metal material in a complex corrosion environment.

Description

Metal material corrosion performance test system
Technical Field
The invention relates to the technical field of metal material corrosion performance detection, in particular to a metal material corrosion performance testing system.
Background
The corrosion problem of metal materials generates great loss every year and even causes serious safety accidents, wherein the corrosion problem of boiler pipeline materials in an extremely high-temperature and high-pressure environment is not ignored, and the problems are more prominent particularly for high-temperature and high-pressure equipment working in a marine environment.
At present, various systems and methods for researching the high-temperature corrosion performance of metal materials exist, but research is basically carried out on single factors, however, the factors causing corrosion are complex and changeable, so that the research on the corrosion performance of the metal materials under the action of a coupling environment is extremely difficult, and researchers are still puzzled on how to effectively couple various corrosion factors.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the invention provides a system for testing the corrosion performance of a metal material, which is used for researching the corrosion performance of the metal material by coupling multiple factors, and solves the technical problem that the corrosion performance of the metal material under the action of a coupling environment is difficult to research in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides a system for testing the corrosion performance of a metal material, which has the following specific technical scheme:
a metallic material corrosion performance testing system, comprising:
a test frame;
the stress loading device is arranged on the top plate of the test stand, the end part of the stress loading device is connected with one end of the metal sample, and the other end of the metal sample is connected with the bottom plate of the test stand;
the temperature control device is in heat conduction connection with the metal sample and is used for providing a high-temperature environment for the metal sample;
and the gas outlet end of the gas injection device is arranged towards the metal sample and used for injecting corrosive gas to the metal sample.
Further, the stress loading device comprises a strain gauge, a linear moving unit and a strain gauge;
the linear moving unit is arranged on the test rack, and the power output end is connected with the metal sample;
the strain gauge is adhered to the surface of the metal sample and electrically connected with the strain gauge, and the strain gauge is used for receiving stress change information of the metal sample detected by the strain gauge.
Further, the linear moving unit includes a screw and a nut;
the nut is arranged on the top plate of the test rack, the screw penetrates through the top plate, one end of the screw is connected with the test sample, and the other end of the screw is screwed on the nut.
Further, the temperature control device comprises a tube furnace, a thermocouple and a temperature controller;
the tubular furnace is vertically arranged on the bottom plate of the test stand, and the metal sample is arranged in a furnace chamber of the tubular furnace;
the thermocouple is arranged on the tube furnace, is electrically connected with the temperature controller and is used for measuring the temperature of the tube furnace.
Furthermore, a corundum tube is nested in the tube furnace and used for protecting the tube furnace.
Further, the air injection device comprises an air pump, an evaporator and a liquid cylinder;
the air pump is connected with the bottom air inlet of the evaporator through a gas pipeline, the liquid cylinder is connected with the liquid inlet of the condenser pipe through a liquid pipeline, and the liquid cylinder is used for containing corrosive liquid;
the outlet end of the evaporator is communicated with the pipe cavity of the corundum pipe;
and the gas pipeline is also provided with a switch valve, and the switch valve is used for controlling the connection and the disconnection of the air pump and the evaporator.
Further, the evaporator comprises a condensation pipe and a water supply device;
the condensation pipe comprises an evaporation cavity and a thermal circulation cavity, and the thermal circulation cavity is arranged around the periphery of the evaporation cavity;
the bottom of the evaporation cavity is respectively communicated with a gas pipeline and a liquid pipeline, and an outlet at the top of the evaporation cavity is communicated with the inside of the tube furnace;
the water supply device is communicated with the heat circulation cavity and used for supplying hot water to the heat circulation cavity.
Further, a flow meter is arranged on the gas pipeline and used for adjusting the gas flow of the air pump.
Furthermore, the outlet end of the evaporation cavity is also provided with an adapter, and the adapter penetrates through the bottom plate and is at least partially arranged in the cavity of the corundum tube.
Further, the corrosive liquid is aqueous solution, NaCl solution, Na 2 SO 4 Solution, HCl solution, H 2 SO 4 Solution or mixture of above solutions.
(III) advantageous effects
The metal material corrosion performance testing system disclosed by the invention can effectively solve the defects of the prior art.
According to the metal material corrosion performance testing system provided by the invention, the stress loading device is arranged on the top plate of the test stand, the end part of the stress loading device is connected with one end of the metal sample, the other end of the metal sample is connected with the bottom plate of the test stand, and external force can be applied to the metal sample through the stress loading device so as to simulate the real stress condition of the metal sample. In the invention, the temperature control device is in heat conduction connection with the metal sample and is used for providing a high-temperature environment for the metal sample. The outlet end of the gas injection device is arranged towards the metal sample and used for spraying corrosive gas to the metal sample to simulate real atmosphere and marine environment.
The stress loading device, the temperature control device and the air injection device are arranged to simulate the thermal-mechanical-chemical coupling environment and simulate the real use scene of the metal material so as to explore the influence of the coupling effect of temperature, stress and corrosive steam on the corrosion performance of the metal and further comprehensively test the corrosion resistance of the metal material in the complex corrosion environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
FIG. 1 is a schematic structural diagram of a system for testing corrosion performance of a metallic material according to an embodiment;
FIG. 2 is a schematic structural diagram of a test stand, a stress loading device, and a temperature control device according to an embodiment;
fig. 3 is a schematic structural diagram of an air injection device in an embodiment.
[ description of reference ]
1. A test frame; 110. a top plate; 120. a base plate; 130. a support pillar;
2. a stress loading device; 210. a linear moving unit; 211. a screw; 212. a nut;
220. a strain gauge; 230. a strain gauge;
3. a temperature control device; 310. a thermocouple; 320. a temperature controller; 330. a tube furnace; 340. a corundum tube;
4. an air injection device; 410. an air pump; 420. an on-off valve; 430. a flow meter; 440. a liquid cartridge;
450. an evaporator; 451. a condenser tube; A. an evaporation chamber; B. a thermal cycle chamber;
452. a water supply device; 453. an adapter;
5. a metal sample.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.
Referring to fig. 1 to 3, according to an embodiment of the present application, a system for testing corrosion performance of a metal material includes a test frame 1, a stress loading device 2, a temperature control device 3, and an air injection device 4. The stress loading device 2 is arranged on the top plate 110 of the test stand 1, the end part of the stress loading device is connected with one end of the metal sample 5, and the other end of the metal sample 5 is connected with the bottom plate 120 of the test stand 1; the temperature control device 3 is in heat conduction connection with the metal sample 5 and is used for providing a high-temperature environment for the metal sample 5; the gas outlet end of the gas injection device 4 is arranged towards the metal sample 5 and used for injecting corrosive gas to the metal sample 5.
Before testing the metal sample 5, the metal sample 5 needs to be polished by sandpaper with different meshes so as to make the surface roughness of the metal sample 5 consistent, and after polishing, the metal sample is cleaned by acetone and dried so as to remove an oxide layer on the surface of the metal sample 5.
It can be understood that, the stress loading device 2 of the embodiment is used for applying an external force to the metal sample 5, and the metal sample 5 deforms under the action of the external force, so that the metal sample 5 maintains a stressed state for a long time, and a real use scene of the metal sample 5 is further simulated, so as to research the influence of the stress on the corrosion performance of the metal material.
The temperature control device 3 of the embodiment can provide a high-temperature environment for the metal sample 5, simulate a high-temperature use scene of a metal material, and further study the influence of the high-temperature environment on the corrosion performance of the metal material.
The gas injection device 4 of the present embodiment can inject corrosive gas to the surface of the metal sample 5, and thus can investigate the requirement of the corrosive gas on the corrosion performance of the metal material.
In this embodiment, the metal material corrosion performance testing system has the characteristics of simple structure, convenience in operation and low cost, can provide a stress, high temperature or corrosion environment for the metal material, can test the corrosion performance of the metal sample 5 in a single environment, and can also integrate a heat-force-chemical coupling environment to explore the influence of the coupling effect of temperature, stress and corrosive gas on the metal corrosion performance.
Specifically, the top plate 110 and the bottom plate 120 of the test rack 1 of the present embodiment are connected by a plurality of support columns 130, and the metal specimen 5 is fixed and pinned to the bottom plate 120. The top plate 110, the bottom plate 120, the plurality of support columns 130 and the pins are all made of high-strength steel, the high-strength steel can resist high temperature and corrosion and has high strength, and the stability and the service life of the metal material corrosion performance testing system are further improved.
Further, as shown in fig. 2, the stress loading device 2 of the present embodiment includes a strain gauge 220, a linear moving unit 210, and a strain gauge 230. The linear moving unit 210 is disposed on the top plate 110 of the test rack 1, the power output end is connected to the metal sample 5, and the linear moving unit 210 can pull the metal sample 5 to apply an external force to the metal sample 5. The strain gauge 220 is adhered to the surface of the metal sample 5 and electrically connected to the strain gauge 230, the strain gauge 220 is used for detecting stress information of the metal sample 5 and transmitting the stress to the strain gauge 230, the strain gauge 230 performs corresponding collection and display, the movement distance of the linear moving unit 210 can be adjusted according to the displayed stress information, and the magnitude of the external force acting on the metal sample 5 is further controlled.
In the present embodiment, the linear moving unit 210 may be controlled automatically or manually. In the case of the automatic control mode, the linear motion unit 210 is preferably any one of a ball screw, a rack and pinion, an electric cylinder, an air cylinder, and a hydraulic cylinder. The linear moving unit 210 is connected to the strain gauge 230, and stress information may be input through the strain gauge 230, and the strain gauge 230 controls the linear moving unit 210 to move a corresponding distance according to the stress information.
When the control mode is a manual control mode, the moving distance of the moving unit can be adjusted in real time by observing the specific stress value displayed by the strain gauge 230. The linear moving unit 210 is correspondingly configured as a screw 211 and a nut 212, the nut 212 is disposed on the top plate 110 of the test rack 1, the screw 211 penetrates through the top plate 110, the bottom end of the screw is connected with the metal sample 5, and the top end of the screw is screwed into the nut 212. The top end of the screw 211 is further provided with a screwing handle, the screw 211 can be screwed through the screwing handle, the screw 211 moves upwards relative to the test stand 1 to apply a vertically upward tensile force to the metal sample 5, when the stress value displayed by the strain gauge 230 reaches a set value, screwing is stopped, so that the metal sample 5 is in a long-time stress state, a real use scene of the metal material is simulated, and research on the corrosion performance of the metal by the stress is further researched.
Specifically, as shown in fig. 1 and fig. 2, the temperature control device 3 of the present embodiment includes a tube furnace 330, a thermocouple 310, and a temperature controller 320. The tube furnace 330 is vertically arranged on the bottom plate 120 of the test stand 1, the metal sample 5 is arranged in a furnace cylinder of the tube furnace 330, the thermocouple 310 is arranged on the outer wall of the tube furnace 330 and is electrically connected with the temperature controller 320, the thermocouple 310 is used for measuring the temperature information of the tube furnace 330 in real time and transmitting the temperature information to the temperature controller 320, and the temperature controller 320 controls the tube furnace 330 to start or stop according to the received temperature information so as to provide a high-temperature environment for the metal sample 5.
In this embodiment, the strain gauge 220 is adhered to the side of the metal sample 5 connected to the screw 211, and the strain gauge 220 is located outside the tube furnace 330 and at least 50mm higher than the upper surface of the tube furnace 330, so as to avoid damage to the strain gauge 220 caused by high temperature environment and corrosive environment, thereby ensuring the accuracy of the stress information detected by the strain gauge 220 and prolonging the service life of the strain gauge.
The tube furnace 330 of this embodiment is used to provide a high temperature environment for the metal sample 5, the temperature is adjusted from room temperature to 1300 ℃, and the influence of the temperature on the corrosion performance of the metal material can be studied.
Furthermore, corundum tube 340 is nested in tubular furnace 330, corundum tube 340 is used for protecting tubular furnace 330, corundum tube 340 has good corrosion resistance, and can prevent corrosive gas from causing corrosion damage to tubular furnace 330, thereby further prolonging the service life of tubular furnace 330.
As shown in fig. 3, the air jet device 4 of the present embodiment includes an air pump 410, an evaporator 450, and a liquid cartridge 440. The air pump 410 is connected with the bottom air inlet of the evaporator 450 through a gas pipeline, the liquid cylinder 440 is connected with the liquid inlet of the evaporator 450 through a liquid pipeline, and the liquid cylinder 440 is used for containing corrosive liquid. The outlet end of the evaporator 450 is communicated with the interior of the corundum tube 340, the gas pipeline is also provided with a switch valve 420, and the switch valve 420 is used for controlling the communication and the closing of the air pump 410 and the evaporator 450.
The corrosive liquid in the liquid cylinder 440 is added into the evaporator 450 by using the principle of a communicating vessel, the liquid level of the evaporator 450 can be adjusted by adjusting the height of the corrosive liquid in the liquid cylinder 440, and the evaporator 450 is used for evaporating the corrosive liquid to obtain the corrosive gas.
The air pump 410 is used for blowing air into the evaporator 450, and the air is used for blowing corrosive gas into the corundum tube 340 on one hand to provide a corrosive environment for the metal sample 5, so as to analyze the influence of the chemical environment on the corrosion performance of the metal material. Air is also used to mix with the corrosive gas to change the concentration of the mixing gas.
Further, the gas pipeline of the embodiment is further provided with a flow meter 430, the flow meter 430 is used for detecting the flow rate of the gas blown by the air pump 410, and the concentration of the corrosive gas can be adjusted by controlling the amount of the air blown into the evaporator 450 by the air pump 410, so as to analyze the research on the corrosion performance of the corrosive gas with different concentrations on the metal material.
Specifically, as shown in fig. 3, the evaporator 450 of the present embodiment includes a condensation pipe 451 and a water supply device 452, wherein the condensation pipe 451 includes an evaporation chamber a and a thermal circulation chamber B, the thermal circulation chamber B is disposed around the periphery of the evaporation chamber a and connected to the water supply device 452, and the water supply device 452 is used for supplying hot water into the thermal circulation chamber B. The gas pipeline and the liquid pipeline are respectively connected to the bottom inlet of the evaporation cavity A, an adapter 453 is further arranged at the top outlet of the evaporation cavity A, the adapter 453 is inserted on the bottom plate 120 and at least partially arranged in the pipe cavity of the corundum pipe 340 and used for blowing corrosive gas into the pipe cavity of the corundum pipe 340. Adapter 453 is high temperature resistant, corrosion-resistant quartz material, and is not fragile under high temperature and the high corrosive environment, and then has prolonged evaporimeter 450's life.
The evaporation process of the corrosive liquid comprises the following steps: corrosive liquid flows into the evaporation cavity A through a liquid pipeline, hot water is added into the thermal circulation cavity B from an inlet of the thermal circulation cavity B through the water supply device 452, the hot water flows in the thermal circulation cavity B and flows out from an outlet, the temperature in the evaporation cavity A rises, the corrosive liquid is heated and evaporated into corrosive gas, air is blown into the evaporation cavity A by the air pump 410, and the corrosive gas is blown into the pipe cavity of the corundum pipe 340 to provide a corrosive environment for the metal sample 5.
Specifically, the corrosive liquid in this embodiment may be pure water, NaCl solution with various concentrations, or Na 2 SO 4 Solution, HCl solution, H 2 SO 4 The solution and the like or mixed solution mixed in various proportions can simulate marine environment, atmospheric environment and strong acid and strong alkali environment so as to research the corrosion resistance of the metal material in chemical environment.
The above is a specific structure of the system for testing corrosion performance of a metal material in this embodiment, and is used for detecting corrosion performance of a metal material, after corrosion test of the metal sample 5 is completed, and when the temperature is returned to room temperature, the metal sample 5 is taken out, and phase analysis, surface and section morphology analysis and energy spectrum analysis are performed on the metal sample 5, so as to obtain metallographic information of the metal sample 5 after the corrosion test, and further, influence of coupling effect of temperature, stress and corrosive gas on corrosion performance of the metal material is explored, so as to comprehensively test corrosion performance of the metal material in a complex corrosion environment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention.

Claims (10)

1. A system for testing corrosion performance of a metal material, comprising:
a test stand (1);
the stress loading device (2) is arranged on the top plate (110) of the test stand (1), the end part of the stress loading device is connected with one end of the metal sample (5), and the other end of the metal sample (5) is connected with the bottom plate (120) of the test stand (1);
the temperature control device (3) is in heat conduction connection with the metal sample (5) and is used for providing a high-temperature environment for the metal sample (5);
and the gas outlet end of the gas injection device (4) is arranged towards the metal sample (5) and used for injecting corrosive gas to the metal sample (5).
2. The system for testing the corrosion performance of the metal material according to claim 1, wherein the stress loading device (2) comprises a strain gauge (220), a linear moving unit (210) and a strain gauge (230);
the linear moving unit (210) is arranged on the test rack (1), and a power output end is connected with the metal sample (5);
the strain gauge (220) is adhered to the surface of the metal sample (5) and is electrically connected with the strain gauge (230), and the strain gauge (230) is used for receiving stress change information of the metal sample (5) detected by the strain gauge (220).
3. The system for testing corrosion performance of metallic material according to claim 2, wherein said linear moving unit (210) comprises a screw (211) and a nut (212);
the nut (212) is arranged on the top plate (110) of the test rack (1), the screw (211) penetrates through the top plate (110), one end of the screw is connected with the test sample, and the other end of the screw is screwed on the nut (212).
4. The system for testing the corrosion performance of the metal material according to claim 1, wherein the temperature control device (3) comprises a tube furnace (330), a thermocouple (310) and a temperature controller (320);
the tube furnace (330) is vertically arranged on the bottom plate (120) of the test rack (1), and the metal sample (5) is arranged in a furnace cavity of the tube furnace (330);
the thermocouple (310) is arranged on the tube furnace (330), is electrically connected with the temperature controller (320) and is used for measuring the temperature of the tube furnace (330).
5. The system for testing the corrosion performance of the metal material according to claim 4, wherein a corundum tube (340) is further nested in the tube furnace (330), and the corundum tube (340) is used for protecting the tube furnace (330).
6. The metallic material corrosion performance testing system of claim 5, wherein the air-jet device (4) comprises an air pump (410), an evaporator (450), and a liquid cartridge (440);
the air pump (410) is connected with a bottom air inlet hole of the evaporator (450) through a gas pipeline, the liquid cylinder (440) is connected with a liquid inlet of the condenser pipe (451) through a liquid pipeline, and the liquid cylinder (440) is used for containing corrosive liquid;
the outlet end of the evaporator (450) is communicated with the tube cavity of the corundum tube (340);
the gas pipeline is also provided with a switch valve (420), and the switch valve (420) is used for controlling the connection and the disconnection of the air pump (410) and the evaporator (450).
7. The system for testing corrosion performance of metallic material according to claim 6, wherein said evaporator (450) comprises a condensation pipe (451) and a water supply device (452);
the condensation pipe (451) comprises an evaporation cavity (A) and a thermal circulation cavity (B), and the thermal circulation cavity (B) is arranged around the periphery of the evaporation cavity (A);
the bottom of the evaporation cavity (A) is respectively communicated with the gas pipeline and the liquid pipeline, and an outlet at the top of the evaporation cavity (A) is communicated with the interior of the tubular furnace (330);
the water supply device (452) is communicated with the thermal circulation cavity (B) and is used for supplying hot water to the thermal circulation cavity (B).
8. The system for testing the corrosion performance of a metal material according to claim 6, wherein a flow meter (430) is further arranged on the gas pipeline, and the flow meter (430) is used for adjusting the gas flow of the air pump (410).
9. The system for testing the corrosion performance of the metal material according to claim 7, wherein the outlet end of the evaporation cavity (A) is further provided with a transition joint (453), and the transition joint (453) penetrates through the bottom plate (120) and is at least partially placed in the cavity of the corundum tube (340).
10. The system for testing corrosion performance of metal material according to claim 6, wherein the corrosive liquid is water solution, NaCl solution, Na 2 SO 4 Solution, HCl solution, H 2 SO 4 Solution or a mixture of the above solutions.
CN202210539449.XA 2022-05-18 2022-05-18 Metal material corrosion performance test system Pending CN115046917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210539449.XA CN115046917A (en) 2022-05-18 2022-05-18 Metal material corrosion performance test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210539449.XA CN115046917A (en) 2022-05-18 2022-05-18 Metal material corrosion performance test system

Publications (1)

Publication Number Publication Date
CN115046917A true CN115046917A (en) 2022-09-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116297142A (en) * 2023-04-17 2023-06-23 斯伯特新材料科技(德州)有限公司 Environmental simulation testing device for new material metal material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116297142A (en) * 2023-04-17 2023-06-23 斯伯特新材料科技(德州)有限公司 Environmental simulation testing device for new material metal material
CN116297142B (en) * 2023-04-17 2023-12-26 重庆华司特检测技术有限公司 Environmental simulation testing device for new material metal material

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