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Equipment for implementing synchronous dry-wet alternate accelerated corrosion in loading process and application thereof

A technology of alternating dry and wet to accelerate corrosion, applied in the field of metal material corrosion and corrosion fatigue, can solve the problem of lack of good experimental evaluation, and achieve the effect of convenient assembly and disassembly, and convenient operation.

Inactive Publication Date: 2010-03-03
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, there is no good method for experimental evaluation of the performance of metal components under the simultaneous action of load and atmospheric corrosion

Method used

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  • Equipment for implementing synchronous dry-wet alternate accelerated corrosion in loading process and application thereof
  • Equipment for implementing synchronous dry-wet alternate accelerated corrosion in loading process and application thereof
  • Equipment for implementing synchronous dry-wet alternate accelerated corrosion in loading process and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1 Economical MnCu weathering steel (Patent No.: 200510045624.6; Publication No.: CN1800428A) under simultaneous dry-wet alternating accelerated corrosion for 60 cycles

[0034] 1. If figure 1 As shown, the equipment of the present invention mainly includes: control system 1, temperature control device 2, humidity control device 3, spray device 4, corrosion fatigue box 5, fatigue machine loading system 7, fatigue machine control system 8, and the output terminals of control system 1 are respectively Connect the temperature control device 2, the humidity control device 3, and the spray device 4, the output ends of the temperature control device 2, the humidity control device 3, and the spray device 4 are respectively connected to the corrosion fatigue box 5, and the output end of the fatigue machine control system 8 is connected to the fatigue machine The loading system 7 and the fatigue machine control system 8 apply cyclic loads to the samples 6 in the corrosion...

Embodiment 2

[0043] Example 2 Economical MnCu weathering steel (Patent No.: 200510045624.6; Publication No.: CN1800428A) under simultaneous dry-wet alternating accelerated corrosion for 120 cycles

[0044] 1. If figure 1 As shown, the control system 1 uses the temperature control device 2, the humidity control device 3, and the spray device 4 to accelerate the corrosion of the sample 6 in the corrosion fatigue chamber 5 under temperature control and humidity control.

[0045] 2. If figure 1 As shown, the fatigue machine control system 8 synchronously applies a cyclic load to the sample 6 in the corrosion fatigue chamber 5 through the loading system 7 .

[0046] 3. If figure 2 As shown, the loaded sample 61 and the unloaded sample 62 in the corrosion fatigue chamber 5 are subjected to the accelerated corrosion action of alternating wet and dry at the same time.

[0047] 4. Use the equipment prepared to realize synchronous dry-wet alternating accelerated corrosion during the loading proc...

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PUM

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Abstract

The invention relates to the fields of metal material accelerated corrosion and corrosion fatigue, in particular to equipment for implementing synchronous dry-wet alternate accelerated corrosion in aloading process and application thereof. In the equipment, a temperature control device and a humidity control device sense temperature and humidity in a corrosion fatigue tank, and transmit signals to a control system, and the control system sends an instruction for adjusting the temperature and humidity in the corrosion fatigue tank to implement temperature control and humidity control. Simultaneously, a loaded sample in the corrosion fatigue tank is regularly sprayed through the instruction of the control system so as to implement dry-wet alternate corrosion. The equipment can assist fatigue testers and slow strain equipment to implement the synchronous dry-wet alternate corrosion of the sample in the fatigue, tensile or slow strain process, also can be used for simulating temperature control and humidity control corrosion fatigue, tensile or slow strain tests under different weather conditions, and temperature control and humidity control dry-wet alternate corrosion tests, and implements the synchronous dry-wet alternate accelerated corrosion in the corrosion fatigue process and in the slow strain process.

Description

technical field [0001] The invention relates to the field of metal material corrosion and corrosion fatigue, in particular to a device and its application for realizing synchronous dry-wet alternating accelerated corrosion during the loading process. It is a kind of equipment that can be supplemented with fatigue machine and slow stretching equipment to realize the simultaneous dry and wet alternating corrosion of samples in the process of fatigue, stretching or slow stretching. It can also be used to simulate temperature-controlled humidity-controlled corrosion fatigue, stretching or slow stretching experiments, temperature-controlled humidity-controlled dry-wet alternating corrosion experiments under different climatic conditions, and realize synchronous dry-wet alternately accelerated corrosion during the corrosion fatigue process, slow stretching process Realize synchronous dry and wet alternately to accelerate corrosion. Background technique [0002] As a structural ma...

Claims

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Application Information

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IPC IPC(8): G01N3/00G01N1/32
Inventor 王雷董俊华柯伟
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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