CN203824829U - High-temperature stress corrosion test device for large-size samples - Google Patents
High-temperature stress corrosion test device for large-size samples Download PDFInfo
- Publication number
- CN203824829U CN203824829U CN201420209893.6U CN201420209893U CN203824829U CN 203824829 U CN203824829 U CN 203824829U CN 201420209893 U CN201420209893 U CN 201420209893U CN 203824829 U CN203824829 U CN 203824829U
- Authority
- CN
- China
- Prior art keywords
- stress corrosion
- glass container
- sample
- temperature stress
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a high-temperature stress corrosion test device for large-size samples. The high-temperature stress corrosion test device comprises a stainless steel electric heating panel, a condensate return pipe, a variable-diameter grinding opening joint, a glass container, a sample clamping fixture and a disc-shaped glass support, wherein, a corrosive medium, the sample clamping fixture and a sample are put in the stress corrosion glass container; cooled circulation water is introduced into the condensate return pipe to achieve a cooling return effect; the upper end of the glass container is communicated with the lower end of the condensate return pipe through the variable-diameter grinding opening joint, and the glass container can resist high temperature being 1000 DEG C; the size and the material of the large-size sample clamping fixture are determined according to the sample loading requirements and sample materials. The high-temperature stress corrosion test device has the advantages of simple structure, convenience in operation and accurate measurement result and can easily observe and record the stress corrosion state of the sample in real time. Meanwhile, the whole device is small in size, is suitably popularized and used in research laboratories, and can be widely applied in the fields of large-scale industrial production and detection analysis of steel and iron and nonferrous metals.
Description
Technical field
The utility model relates to a kind of stress corrosion testing device, and particularly a kind of large dimension specimen high temperature stress corrosion experimental device, can be used for the detection of material anticorrosion stress-resistant cracking sensitivity under hot conditions.
Technical background
Stress corrosion is the failure phenomenon that material, mechanical component or member produce under the acting in conjunction of static stress and corrosion.Stress corrosion causes the fracture of material to be called stress corrosion fracture.It often comes across in high-strength aluminum alloy and stainless steel.Stress corrosion research is the key areas of equipment anticorrosion and safe and reliable Journal of Sex Research, and stress corrosion testing device is the important foundation device of research stress corrosion process and mechanism.
Due to the unpredictability of stress corrosion crack, if sample ftractures, determine in time and record macroscopic cracking time of origin, sample penetration of cracks time.For ease of the corrosion cracking situation of immediate observation sample.So should power corrosion device be vertical nearly cylindrical glass container for loading constant strain sample holder stationary device employing main body section.When requirement of experiment is in the time that high temperature corrosion medium carries out in as fluidizing chlorination sodium solution or fluidizing chlorination magnesium solution, during due to high temperature, in solution, the evaporation of moisture can cause the change of corrosive medium solubility, will certainly impact experiment accuracy, reduce the accuracy of test findings.So necessary appropriate design condensation reflux unit, the condensation effect of guarantee boil-off gas, reduces the gasification loss of corrosive medium to greatest extent.Simple glass container bore is less, can only be applicable to the detection of the Sensitivity of Stress Corrosion of small size sample, in order to facilitate the observation that picks and places of sample, described stress corrosion glass container adopts heavy caliber glass container, and general condensing reflux pipe cannot directly mate, the joint and seal of condensing reflux pipe and glass container is by the quality of direct relation condensation effect.The fixture that sample is loaded wants the constant strain loading that can maintain sample to avoid again the bimetallic corrosion causing because of the difference of material.
Summary of the invention
The purpose of this utility model is exactly to solve the technological difficulties that common stress corrosion testing device cannot be put into large dimension specimen and carries out stress corrosion (cracking) test, facilitate the corrosion cracking situation of immediate observation sample simultaneously, overcome variation and the impact of other corrosion types on sample stress corrosion (cracking) test process and result of high temperature corrosion concentration of medium, a set of large dimension specimen Sensitivity of Stress Corrosion pick-up unit in high temperature corrosion medium is provided.Have simple in structure, easy to operate, the measurement result advantage such as accurately and reliably.
The utility model is achieved through the following technical solutions:
A kind of large dimension specimen high temperature stress corrosion experimental device, is characterized in that: comprise stainless steel electric boiling plate, condensing reflux pipe, reducing ground connection, glass container, constant strain sample holder fixture, disc glass supporter; Glass container is placed on stainless steel electric boiling plate top, is placed with corrosive medium, disc glass supporter, constant strain sample holder fixture and sample in glass container.Glass container, condensing reflux pipe are realized and being tightly connected by reducing ground connection; Sample holder fixture and base are same material, are placed on disc glass supporter top.Condensing reflux pipe passes into cooling circulating water and reaches cooling for reflux effect.
Further, described a kind of large dimension specimen high temperature stress corrosion experimental device device, is characterized in that: wherein glass container is for closely cylindrical, and glass container upper end is communicated with condensing reflux pipe lower end by reducing ground glass joint.
Further, described large scale, constant strain sample holder fixture, is characterized in that: the fixture that large dimension specimen is corresponding, and jig Design is flexible and changeable, and its size and material are determined because sample loads requirement and material.
Constant strain sample holder clamp base has level to extending support plate, and fixture can be steadily firmly sitting on glass supporter, and constant strain sample holder fixture can clamp 3 and above sample simultaneously, and specimen size is 130 × 15 × 3mm.
Further, described a kind of large dimension specimen high temperature stress corrosion experimental device, is characterized in that: install all high temperature resistantly with glass container, heatproof is greater than 1000 DEG C.
The beneficial effects of the utility model are mainly reflected in: (1) selected glass container is high temperature resistant 1000 DEG C; (2) glass container bore is large, is convenient to picking and placeing of large dimension specimen, and main body section is straight wall, convenient to sample corrosion cracking situation immediate observation.(3) wherein circular glass container, condensing reflux pipe are realized and being tightly connected by reducing ground connection.Sealing is good, effectively reduces distributing of water vapor, and greatly degree maintains the constant of corrosive medium solubility.(4) large dimension specimen has corresponding fixture, and jig Design can be flexible and changeable, and its size and material are determined because sample loads requirement and material.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model;
In figure, Reference numeral is: stainless steel electric boiling plate 1, condensing reflux pipe 2, reducing ground connection 3, glass container 4, constant strain sample holder fixture 5, disc glass supporter 6.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
With reference to Fig. 1, a kind of large dimension specimen high temperature stress corrosion experimental device, comprise the glass container 4 that loads sample for placing stress etching experiment, described device also comprises constant strain sample holder fixture 5, condensation reflux unit 2, reducing ground connection 3, described cylindrical glass container 4, condensing reflux pipe 2 are realized and being tightly connected by reducing ground connection 3, and sealing is good.Described stress corrosion glass container 4 is placed on stainless steel electric boiling plate 1 top, and described, constant strain sample holder fixture 5 is same material integrated design with base, is placed on disc glass supporter 6 tops.
Described cylindrical glass container 4, adopts heavy caliber glass container, is convenient to picking and placeing of large dimension specimen, and main body section is straight wall, convenient to sample cracking situation immediate observation.Described condenser pipe 2 is provided with water inlet, water stream channel and water delivering orifice, and cooled region length reaches 50cm, and cooling effect is good.Described condenser pipe connects cooling water circulating device.It is changeable that described constant strain sample loads fixture 5 flexible designs, and its size and material load requirement and material is determined because of sample.
Start before experiment, first the etchant solution configuring is contained in 4, disc glass supporter 6 is positioned over the bottom of glass container 4, fill in container 4 with the reducing ground connection 3 that is connecting condensing reflux pipe 2, in condenser pipe, pass into condensate water, set electric boiling plate 1 temperature, open heating plate switch, reach after requirement of experiment a period of time until the interior solution temperature of glass container 4, condensate water stops, take off the reducing ground connection that is connected with condenser pipe, by the ready large scale that is loaded with, constant strain specimen holder 5 is put into glass container 4 fast, adjust sample orientation, so that observe, connect reducing ground connection, in condenser pipe, pass into condensate water.Experiment starts.
The device of the present embodiment is applicable to the high temperature stress corrosion experiment of large dimension specimen, is equally applicable to small size sample high temperature stress corrosion experiment.Load mode adopts constant strain load mode, certainly, is also applicable to other stress loading modes.
Claims (5)
1. a large dimension specimen high temperature stress corrosion experimental device, is characterized in that: comprise stainless steel electric boiling plate (1), condensing reflux pipe (2), reducing ground connection (3), glass container (4), constant strain sample holder fixture (5), disc glass supporter (6); Glass container (4) is placed on stainless steel electric boiling plate (1) top, is placed with corrosive medium, disc glass supporter, constant strain sample holder fixture and sample in glass container; Glass container (4), condensing reflux pipe (2) are realized and being tightly connected by reducing ground connection (3); Constant strain sample holder fixture (5) is same material with base, is placed on disc glass supporter (6) top.
2. large dimension specimen high temperature stress corrosion experimental device according to claim 1, is characterized in that: wherein glass container is cylindrical, and glass container upper end is communicated with condensing reflux pipe lower end by reducing ground glass joint.
3. large dimension specimen high temperature stress corrosion experimental device according to claim 1, is characterized in that: constant strain sample holder clamp base has level to extending support plate, and fixture can be steadily firmly sitting on glass supporter.
4. large dimension specimen high temperature stress corrosion experimental device according to claim 1, is characterized in that: constant strain sample holder fixture can clamp 3 and above sample simultaneously, specimen size is 130 × 15 × 3mm.
5. large dimension specimen high temperature stress corrosion experimental device according to claim 1, is characterized in that: experimental provision can be high temperature resistant with glass container, and heatproof is greater than 1000 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209893.6U CN203824829U (en) | 2014-04-28 | 2014-04-28 | High-temperature stress corrosion test device for large-size samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209893.6U CN203824829U (en) | 2014-04-28 | 2014-04-28 | High-temperature stress corrosion test device for large-size samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824829U true CN203824829U (en) | 2014-09-10 |
Family
ID=51480312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209893.6U Expired - Fee Related CN203824829U (en) | 2014-04-28 | 2014-04-28 | High-temperature stress corrosion test device for large-size samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824829U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983507A (en) * | 2014-04-28 | 2014-08-13 | 北京科技大学 | A test device of high temperature stress corrosion of a large-size specimen |
| CN104316387A (en) * | 2014-11-13 | 2015-01-28 | 武汉钢铁(集团)公司 | Thermally simulated plane strain sample and cooling method thereof |
| CN106596271A (en) * | 2016-12-09 | 2017-04-26 | 江苏大学 | High-temperature power generation, stirring and stress corrosion device |
-
2014
- 2014-04-28 CN CN201420209893.6U patent/CN203824829U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983507A (en) * | 2014-04-28 | 2014-08-13 | 北京科技大学 | A test device of high temperature stress corrosion of a large-size specimen |
| CN104316387A (en) * | 2014-11-13 | 2015-01-28 | 武汉钢铁(集团)公司 | Thermally simulated plane strain sample and cooling method thereof |
| CN106596271A (en) * | 2016-12-09 | 2017-04-26 | 江苏大学 | High-temperature power generation, stirring and stress corrosion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203824829U (en) | High-temperature stress corrosion test device for large-size samples | |
| CN103983507A (en) | A test device of high temperature stress corrosion of a large-size specimen | |
| CN105891099B (en) | Experimental method and device for welding joint force-corrosion coupling test | |
| CN101187611B (en) | Heating device for determining non-metal material high temperature compressive strength | |
| CN103487339A (en) | Device for testing fatigue crack growth rate of metal material in aqueous corrosive medium | |
| CN104215661B (en) | Solid interface contact thermal resistance test device based on super-magnetostrictive intelligent material | |
| CN106198195A (en) | A kind of environment simulator for high/low temperature fatigue property test | |
| CN109507100A (en) | Corrosion electrochemistry test method and device under plate-shape metal sample high stress | |
| CN107843482B (en) | Low-temperature box for medium-and-large-size test piece | |
| CN106289962B (en) | In-situ test system capable of observing deformation and damage of sample gauge length section in high-low power on-line manner | |
| CN112595575B (en) | Test device and method for testing various mechanical properties in high-temperature molten salt corrosion environment | |
| CN110286050A (en) | A kind of slow tensile stress etching pilot system of full pipe sample high-temperature high pressure water of metal tube | |
| CN206114426U (en) | In situ test system of can high low power observing deformation of sample gauge length section and damage on line | |
| CN204855428U (en) | Coefficient of heat conductivity tester | |
| CN203357229U (en) | Fixture used for grinding metallographic specimens | |
| CN206935413U (en) | A kind of Novel beaker support | |
| CN104729950B (en) | A kind of ammoniacal liquor apparatus for measuring concentration | |
| CN116046537A (en) | Stress corrosion micro-area in-situ test device and method | |
| CN104614255B (en) | A kind of axially loaded stress corrosion testing device of high temperature | |
| CN116519471A (en) | In-situ double-shaft environment system in lead bismuth environment | |
| CN104048910B (en) | Huey test frock | |
| CN112082931A (en) | High-temperature high-pressure water triaxial multi-sample loading stress corrosion crack initiation testing device | |
| CN115046917A (en) | Metal material corrosion performance test system | |
| CN215833172U (en) | Impact test low-temperature tank with temperature measuring device positioned in middle of sample group | |
| CN111504801A (en) | Device and method for performing stress corrosion experiment in high-temperature liquid phase corrosion environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |