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Seawater environment simulation device for normal-temperature uniaxial creep test and installation method

An environmental simulation device and creep test technology, applied in the field of simulation test devices, can solve the problems of poor adaptability, lack of test devices and regulations, etc., and achieve the effect of compact structure, good test compatibility and simple principle

Active Publication Date: 2021-08-17
CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This test method is mainly aimed at creep tests in the fields of iron and steel, metallurgy, aviation, etc., and there is a lack of test devices and regulations related to the creep characteristics of marine engineering. The existing uniaxial creep test has poor adaptability to seawater environment simulation.

Method used

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  • Seawater environment simulation device for normal-temperature uniaxial creep test and installation method
  • Seawater environment simulation device for normal-temperature uniaxial creep test and installation method
  • Seawater environment simulation device for normal-temperature uniaxial creep test and installation method

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Embodiment Construction

[0044] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0045] like Figure 1-Figure 5 As shown, a seawater environment simulation device and installation method for normal temperature uniaxial creep test, including a medium box 3, the medium box 3 is a cylindrical structure with an open top, the bottom of the medium box 3 is a chassis 302, the chassis There is a round hole 301 on the 302, and the round hole 301 passes through the test piece 2, and the joint between the test piece 2 and the round hole 301 is installed with a sealing glue 5, and the top of the test piece 2 is connected to the chuck 1 on the testing machine, and the bottom of the test piece 2 Connect the lower chuck 4 of the testing machine; put artificial seawater in the medium box 3 .

[0046] The center of the circular hole 301 deviates from the center of the chassis 302 .

[0047] The gauge length section of the test piece ...

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Abstract

The invention relates to a seawater environment simulation device for a normal-temperature uniaxial creep test and an installation method. The seawater environment simulation device comprises a medium box, the medium box is of a cylinder structure with the top being open, the bottom of the medium box is a base plate, a round hole is formed in the base plate, a test piece penetrates through the round hole, and sealing cement gum is installed at the matching position of the test piece and the round hole. The top of the test piece is connected with a testing machine upper chuck, and the bottom of the test piece is connected with a testing machine lower chuck; and artificial seawater is put into the medium box. On the basis of a traditional testing machine, a test piece and an extensometer, a simulated seawater medium box is additionally arranged, the medium box is provided with an open hole matched with the test piece, and the medium box is fixedly connected with the test piece through sealing cement gum. During the test, the medium box contains the prepared artificial seawater medium, the bearing and sealing functions are considered, the simulation of the seawater test environment is realized, and the normal-temperature uniaxial creep test device can be suitable for normal-temperature uniaxial creep tests of different sizes and materials.

Description

technical field [0001] The invention relates to the technical field of simulation test devices, in particular to a seawater environment simulation device and an installation method for normal temperature uniaxial creep tests. Background technique [0002] The current uniaxial creep test technology adopts the method of applying a constant tensile or compressive load along the axial direction of the specimen, and uses an extensometer to measure the axial response of the gauge length section of the specimen, and then converts it into a representation of the change law of creep characteristics strain data. [0003] In the field of shipbuilding and ocean engineering, the service conditions of underwater engineering structural materials have the characteristics of seawater environment, normal temperature, and compression load. In order to characterize the creep characteristics of materials more accurately, it is necessary to carry out normal temperature creep tests in a simulated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/02
CPCG01N3/08G01N3/02G01N2203/0003G01N2203/0071G01N2203/024G01N2203/0252
Inventor 王雷周平王琨余俊胡鑫
Owner CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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