Corrosion system for rotatable bending loading corrosion fatigue test and making method of corrosion system
A technology for corrosion fatigue and testing, applied in the directions of weather resistance/light resistance/corrosion resistance, testing material strength by applying repetitive force/pulsation force, testing wear resistance, etc., can solve the problem of sample fracture, affect test results, and change the test Environment and other issues, to achieve the effect of simple design and convenient installation
Inactive Publication Date: 2018-01-30
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problem that the corrosion system used in the rotating bending loading corrosion fatigue test in the prior art will change the test environment, resulting in invalid fracture of the sample, thereby affecting the test results, and to provide a rotating bending loading corrosion fatigue test. Corrosive system and method of making the same
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[0034] As shown in the figure, the specific implementation method is as follows:
[0035] A corrosion system for rotating and bending loading corrosion fatigue tests, comprising a cuboid main box 1 without a top and bottom and a long wind-shaped slave box 2 without a top, the main box 1 is bonded inside the slave box 2, and the main box 1 The main box liquid inlet 101 and the main box liquid outlet 103 are opened on the two side walls parallel to each other, and a pair of mutually symmetrical U-shaped holes for passing through the sample 3 are opened on the other two side walls of the main box 1. Groove 102, the outer wall of main box 1 is fixed with a pair of baffle plate 4 near U-shaped groove 102, and baffle plate 4 is processed with a quarter arc near U-shaped groove 102, and the circle of two baffle plates 4 The arc matches the bottom of the U-shaped groove 102 to form a circular hole-like structure passing through the sample so that the sample can rotate in the corrosive...
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Abstract
The invention discloses a corrosion system for a rotatable bending loading corrosion fatigue test and a making method of the corrosion system. The corrosion system comprises a master box and a slave box, a splashing prevention cover is arranged at the top of the master box in a covering manner, a groove is formed in the bottom of the splashing prevention cover, a slave box inlet and a slave box outlet are formed in the slave box, one end of the slave box inlet is communicated with a master box liquid inlet through a pipeline, the other end of the slave box inlet is connected with a low-power water pump through a pipeline, a master box liquid outlet and the slave box outlet are connected with a filtering device through pipelines, the filtering device is connected with a corrosive liquid container, a corrosive liquid container cover is arranged on the corrosive liquid container in a covering manner, and the low-power water pump is mounted on the corrosive liquid container cover. By the aid of the master box and the slave box, inner material characteristics of the master box and the slave box are changed, inlet and outlet balance of corrosive liquid can be adjusted in a short time, the splashing prevention cover covers surface of the corrosive liquid, the corrosive liquid is not polluted, and splashing of the corrosive liquid driven by a high-speed rotation sample is avoided.
Description
technical field [0001] The invention relates to the field of test environment systems, in particular to a corrosion system for a rotational bending loading corrosion fatigue test and a manufacturing method thereof. Background technique [0002] For shafting metals and their alloys, when serving in corrosive environments (such as seawater, salt water, oil, etc.), there will inevitably be a risk of corrosion fatigue failure under the combined action of corrosive environment and rotational bending stress. Therefore, it is of great significance to examine the corrosion fatigue performance of the above metals and their alloys under rotational bending loading in a corrosive environment. The national standard GB / T 4337-2008 "Metallic Materials - Fatigue Test - Rotational Bending Method" is applicable to the fatigue test of metal materials under the condition of rotating and bending specimens in room temperature and high temperature air, and can also be used as a reference in corros...
Claims
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IPC IPC(8): G01N3/56G01N3/32G01N17/00
Inventor 张亚军李慧党恒耀
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP