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Circulating salt spray test device and method under synergistic effect of electromagnetic field

A technology of synergy, salt spray test, used in measuring devices, instruments, scientific instruments, etc.

Active Publication Date: 2021-07-30
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, there is a lack of experimental devices that combine microbial corrosion, electromagnetic, temperature and humidity and other influencing factors to study the corrosion laws of electronic materials and other engineering materials

Method used

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  • Circulating salt spray test device and method under synergistic effect of electromagnetic field

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Embodiment 1

[0031] Embodiment one: refer to figure 1 , this embodiment provides a cyclic salt spray test device and method under the synergy of electromagnetic fields, including a sealed casing 1, an electromagnetic assembly detachably connected to the inner bottom surface of the sealed casing 1, and a circulating salt spray connected to the inside of the sealed casing 1. The mist assembly 2, the air prefabricated assembly 3 connected to the inside of the sealed casing 1, the condensed water circulator 4 connected to the sealed casing 1, the monitoring assembly is fixedly connected to the top of the sealed casing 1; The heating plate 11, the electrode 16 is fixedly connected to the inner wall of the sealed casing 1, the detection component is fixedly connected to the inner wall of the sealed casing 1, the controller 18 is fixedly connected to one side of the sealed casing 1, the electromagnetic component, the circulating salt spray component 2, the air prefabricated Component 3, condensed...

Embodiment 2

[0047] refer to figure 1 The only difference between this embodiment and the first embodiment is that a laser emitter 21 is provided on the inner top surface of the sealed casing 1 , and the laser emitter 21 is electrically connected to the controller 18 . The laser emitter 21 can ablate and clean the microorganisms on the surface of the sample to simulate the state of the sample after laser sterilization, and at the same time use the telephoto lens 6 to observe the surface of the sample.

[0048] A method for using the device in an experimental application for microbial corrosion research, comprising the following steps,

[0049] Step 1, seeding concentration on three 6061 aluminum alloys is 10 7 Aspergillus versicolor spore suspension of each / L, and the sample is placed in the petri dish;

[0050] Step 2, turn on the detection component, place the petri dish on the stage 8, and control the DC source fed into the solenoid through the controller 18 to generate a 10mT static ...

Embodiment 3

[0057] refer to figure 1 , The difference between this embodiment and Embodiment 2 is that in step 3, the circulating salt spray assembly 2 continues to spray for 1 hour, stops spraying for 2 hours, and cycles 240 hours successively; in step 6, the continuous operation test is 240 hours.

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Abstract

The invention relates to the technical field of material corrosion research, in particular to a circulating salt spray test device and method under the synergistic effect of an electromagnetic field. The circulating salt spray test device includes a sealing shell, an electromagnetic assembly connected with the interior of the sealing shell, a circulating salt mist assembly communicated with the interior of the sealing shell, an air prefabricating assembly communicated with the interior of the sealing shell and a condensate water circulator communicated and connected with the sealing shell, and the sealing shell is fixedly connected with a monitoring assembly; the sealing shell is fixedly connected with an electric heating plate, the inner wall of the sealing shell is fixedly connected with an electrode, the inner wall of the sealing shell is fixedly connected with a detection assembly, and one side of the sealing shell is fixedly connected with a controller; the electromagnetic assembly, the circulating salt mist assembly, the air prefabrication assembly, the condensate water circulator, the electrode and the detection assembly are electrically connected with the controller. The effect of providing an accurate magnetic field and a microorganism growth environment for the experimental device can be achieved.

Description

technical field [0001] The invention relates to the technical field of material corrosion research, in particular to a cyclic salt spray test device and method under the synergistic action of an electromagnetic field. Background technique [0002] At present, microelectronic components have become an irreplaceable basis for high-tech systems such as artificial intelligence, robotics and 5G. Microelectronic components are continuously developed to achieve high integration, high precision and multi-level characteristics. However, due to their susceptibility to corrosion, even small damages can lead to failure. The presence of a magnetic field has an important effect on the metal corrosion process, usually accelerating ion migration and promoting the metal corrosion dissolution process during this process. The influence of the magnetic field is mainly reflected in the Lorentz force on the ions, which causes the deflection of their motion and the disturbance of the electrode s...

Claims

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Application Information

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IPC IPC(8): G01N17/00
CPCG01N17/00
Inventor 肖葵刘璇易盼刘倩倩白子恒冯亚丽董超芳李晓刚
Owner UNIV OF SCI & TECH BEIJING
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