CN103926146A - Constant-load stress corrosion testing device of small test sample and testing method thereof - Google Patents
Constant-load stress corrosion testing device of small test sample and testing method thereof Download PDFInfo
- Publication number
- CN103926146A CN103926146A CN201410147919.3A CN201410147919A CN103926146A CN 103926146 A CN103926146 A CN 103926146A CN 201410147919 A CN201410147919 A CN 201410147919A CN 103926146 A CN103926146 A CN 103926146A
- Authority
- CN
- China
- Prior art keywords
- sample
- stress
- corrosion
- small
- stress corrosion
- 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.)
- Granted
Links
Abstract
The invention relates to a constant-load stress corrosion evaluation method and a constant-load stress corrosion evaluation device of a small test sample. The essentials are as follows: the constant-load stress corrosion testing method and device can be used for testing an anti-stress corrosion cracking property of a thin-wall pipe and a small-size member; the small-size test sample is designed and processed and the level of the loaded stretching stress is accurately controlled; a stress corrosion experiment is carried out in an acidic environment; an anti-sulfide stress corrosion performance and an acting mechanism of the thin-wall pipe and the small-size member in the acidic corrosion environment are evaluated and researched according to an experiment result. With the adoption of the evaluation method and device, the anti-stress corrosion cracking property of the thin-wall pipe and the small-size member, which can not be used for processing a standard test sample, can be determined; the applicability of the material of the member can be obtained according to a testing result, so that the material selection and the applicability evaluation of the thin-wall pipe and the small-size member are carried out.
Description
Technical field
The present invention relates to a kind of member experimental technique of carrying out constant load stress corrosion evaluation that cannot processing criterion sample for oil gas field thin walled tube, small size component etc., the invention still further relates to the experimental provision that uses the method test thin walled tube, small size component stress corrosion characteristics.
Background technology
In metal material chemical experiment, need to carry out constant load stress etching experiment to member that cannot processing criterion sample for thin walled tube, small size component etc. in petroleum industry, chemical industry, thus member is carried out in stress state and corrosion environment material preferably with applicability evaluation.Constant load stress etching experiment conventional method is to adopt stress loop to carry out the experiment of A method, specimen size φ 6.35 * 110mm, minimum grip end diameter 10mm according to standard NACE0177 both at home and abroad at present; And compact specimen is φ 3.81 * 110mm, minimum grip end diameter 5mm.The thin walled tube, the small size component that for wall thickness, are less than 4mm cannot be processed above sample, and easily sample itself is caused to mechanical property damage in process, evaluation result and on-the-spot result differ larger, can not provide reliable basis for the preferred and applicability evaluation of member material in actual condition environment.Thereby for these current Standard test methods in special small size position, specimen size parameter all can not meet field requirement.
In petroleum and chemical industry industry, etching problem is on the rise, and especially thin walled tube, small size component, all under certain stress state, are on active service in sour corrosion environment.The stress etching experiment evaluation of these privileged sites at present academicly with in engineering has extremely important value, owing to lacking corresponding experimental technique and device, causes corresponding evaluation experimental not carry out.Conventional stress etching experiment loads metal material by stress loop, small size privileged sites cannot processing sample, thereby cannot carry out the stress etching experiment at small size position, thereby the metal material selection at these positions does not have Standard test method and applicability to evaluate foundation, cause on-the-spot selection difficulty, even occur the stress corrosion crack accident causing because selection is unreasonable.
At present, conventional constant load stress etching experiment method has the following disadvantages:
(A) specimen size is larger, is not suitable for thin walled tube, the test of small size component anti-stress corrosion performance;
(B) small size position is forced to be processed as standard sample and is caused mechanical property damage, and experimental result reliability and on-the-spot reference value reduce;
(C) pick-up unit is not suitable for the test of small size sample, and load range is excessive causes the inaccurate of load, in experimentation, cannot monitor in real time sample load size.
For solving conventional constant load stress etching experiment, can not carry out the problem of small size sample stress etching experiment, the present invention is by stress loop, small sample constant load stress corrosion evaluation method has been proposed, sample holder, the charger of design small size stress etching experiment, formation is applicable to small size sample constant load stress corrosion Novel experimental method, can be good at addressing the above problem.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, provides a kind of and can more truly reflect field working conditions, for measuring the method for thin walled tube, small size component constant load stress etching experiment.
Another technical matters that the present invention will solve be to provide a kind of simple in structure, easy operating, safe and reliable, can carry out easily the parallel laboratory test of many groups, for simulating small size sample constant load stress etching experiment clamping device used.
The present invention is achieved through the following technical solutions:
A small sample constant load stress corrosion proving installation, is characterized in that this device comprises with lower member: displacement transducer (1), loading screw rod (2), standing screw (3), base (4), stress loop (7), stress determination sample (9), corrosion test chamber (12), sample (16) and test medium (17);
Described stress loop (7) is fixed on base (4) by hold-down nut (5) by standing screw (3), this stress loop (7) inside has corrosion test chamber (12), test medium (17) and sample (16) are equipped with in this corrosion test chamber (12), the U-shaped fixture end of described standing screw (3), through the bottom in corrosion test chamber (12) the fixing bottom of sample (16), has lower sealing ring (18) between described standing screw (3) and corrosion test chamber (12).
Described loading screw rod (2) passes stress loop (7) top by loading nut (6) is connected with one end of stress determination sample (9), the other end of this stress determination sample (9) is U-shaped fixture end, the U-shaped fixture end of described stress determination sample (9) is through the top in corrosion test chamber (12) the fixing top of sample (16), between described loading screw rod (2) and corrosion test chamber (12), there is upper sealing ring (11), the size of described stress determination sample (9) is identical with sample (16), and at the middle part of this stress determination sample (9), foil gauge (10) is installed.
Described base (4) has a support, and displacement transducer (1) is installed on this support, and this displacement transducer (1) is positioned at the top of stress loop (7).
Between described upper sealing ring (11) and lower sealing ring (18) and corrosion test chamber (12), O-ring seal (13) is installed; The U-shaped fixture end of described stress determination sample (9) and the U-shaped fixture end of standing screw (3) pass through fixedly sample (16) of pin (20).
Between the U-shaped fixture end of described stress determination sample (9) and the U-shaped fixture end of standing screw (3) and sample (16), have insulation spacer (19), this insulation spacer (19) is teflon material; Described loading screw rod (2), standing screw (3), hold-down nut (5), to load nut (6), stress loop (7) and pin (20) be that Hastelloy by decay resistance processes.
Between described loading nut (6) and stress loop (7), have rotation pad (8), this rotation pad (8) is processed by the Hastelloy of decay resistance.
Described corrosion test chamber (12) also has air intake opening (14) and gas outlet (15).
Its sample of institute (16) is flattened rectangular sample, and its thickness is 0.9mm～2mm, and width is 3mm～5mm.
Described test medium (17) is corrosive medium.
Adopt foregoing small sample constant load stress corrosion proving installation to carry out a method for corrosion test, it is characterized in that comprising the following steps:
Step 1, according to required simulated field working condition contrived experiment corrosive medium, sample loaded load size;
Step 2, installs sample (16), by loading screw rod (2) loading stress, by displacement transducer (1) and foil gauge (10), determines load;
Step 3, adds corrosive medium in corrosion experiment chamber (12), and air intake opening (14), gas outlet (15) are connected to respectively to H
2s, CO
2or N
2gas cylinder and exhaust treatment system;
Step 4, in corrosion experiment chamber (12), corrosive medium carries out, after abundant deoxygenation, passing into H
2s or CO
2deng corrosive gas, start experiment writing time, described test period is 720h;
Whether step 5, after experiment finishes, carries out abundant deoxygenation, and sample (16) is unloaded, observe sample and rupture and carry out crack detection, specimen surface erosion profile and corrosion product analysis.
Beneficial effect:
(A) specimen size is little, is convenient to processing;
(B) can utilize foil gauge and displacement transducer test load simultaneously, ensure the accuracy of loaded load.
(C) in experimentation, can monitor in real time sample whether deformation and the time dependent relation curve of displacement occur.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 realizes main device structural representation of the present invention.
Fig. 2 realizes sample holder of the present invention position schematic diagram.
Fig. 3 realizes small sample processing dimension figure of the present invention.
Fig. 4 is loaded load of the present invention and conventional method magnitude of load comparison diagram.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
Consult shown in Fig. 1, a kind of small sample constant load stress etching experiment device in the present invention, mainly comprise displacement transducer (1), load screw rod (2), standing screw (3), base (4), hold-down nut (5), load nut (6), stress loop (7), rotation pad (8), stress determination sample (9), foil gauge (10), upper sealing ring (11), corrosion experiment chamber (12), O-ring seal (13), air intake opening (14), gas outlet (15), sample (16), test medium (17), lower sealing ring (18), insulation spacer (19), pin (20), described stress loop (7) upper and lower part is provided with respectively internal thread, it is upper that bottom is firmly fixed on base (4) by standing screw (3), hold-down nut (5), and top loads by stress determination sample (9), loading nut (6), rotation pad (8), described loading screw rod (2) lower end is provided with stress determination sample (9), and size, size is identical with sample (16), and parallel position is provided with foil gauge (10), thus the size of Real-Time Monitoring loading stress, described stress loop (7) load deflection is measured and real time record by displacement transducer (1), described sample (16) is arranged in corrosion experiment chamber (12), by test medium (17) submergence completely, by loading screw rod (2), standing screw (3), connect and load, by upper sealing ring (11), lower sealing ring (18) and O-ring seal (13) sealing, form closed system, on described corrosion experiment chamber (12), be provided with air intake opening (14) and gas outlet (15), the sustainable corrosive gas that passes into, described sample (16) upper end is connected by pin (20) with loading screw rod (2), lower end is connected by pin (20) with standing screw (3), between sample (16) and loading screw rod (2), standing screw (3), be provided with insulation spacer (19), thereby the experimental error of avoiding galvanic couple factor to cause, makes experimental result accurately and reliably.
In the present invention, a kind of small sample constant load stress corrosion evaluation method is as follows.
(A) field working conditions condition simulation, concrete grammar is as follows:
(a) according to field working conditions condition, determine gas phase, liquid phase component, by the preparation of corrosion experiment chamber (12) volume calculations liquid phase component, and pass into H
2s, CO
2speed Deng corrosive gas;
(b), according to on-the-spot member stress condition, according to its suffered stress or strain size, select loaded load size.
(B) sectional fixture and loading procedure, concrete grammar is as follows:
(a) sample (16) upper end is connected by pin (20) in stress determination sample (9) lower end, with insulation spacer (19), sample (16) and stress determination sample (9) are insulated, sample (16) lower end connects by pin (20) in standing screw (3), with insulation spacer (19), insulate equally, then by O-ring seal (13) and upper sealing ring (11), lower sealing ring (18) is arranged on respectively stress determination sample (9) lower end and standing screw (3) upper end, integral body put into corrosion experiment chamber (12) and tighten upper sealing ring (11) and lower sealing ring (18) with guarantee sealing, use hold-down nut (5) by standing screw (3), stress loop (7) is fixed on base (4), use to load screw rod (2) and load nut (6) stress determination sample (9) upper end is fixed, foil gauge (10) is attached to stress determination sample (9) parallel-segment, installation position displacement sensor (1) starts to load according to experimental design stress, record related data, observe the reading of displacement transducer (1) and foil gauge (10) to guarantee the accuracy of sample (16) loaded load simultaneously,
(b) corrosive medium is added in corrosion experiment chamber (12), air intake opening (14), gas outlet (15) are connected to H
2s, CO
2or N
2gas cylinder and exhaust treatment system;
(C) in corrosion experiment chamber (12), corrosive medium carries out, after abundant deoxygenation, passing into H
2s or CO
2deng corrosive gas, start experiment writing time.
(D) whether after experiment finishes, carry out abundant deoxygenation, sample (16) is unloaded, observe sample and rupture and carry out crack detection, specimen surface erosion profile and corrosion product analysis, concrete grammar is as follows:
(a), if sample (16) ruptures, cleaning fracture carries out fracture apperance observation and Analysis on action mechanism draws laboratory report;
(b) if specimen surface erosion profile, corrosion product film analysis are first carried out in not fracture of sample (16); Then clean corrosion product, observe matrix of samples etch state, analyze summary and draw laboratory report.
Example 1 adopts small sample to carry out conventional stress corrosion test
Certain metal composite pipe anti-stress corrosion performance is tested, and first according to 6, Fig. 3 dimensioned sample, sample thickness can adjust accordingly according to complex pipe wall thickness, is installed on stress etching experiment device, specifically loads data as table 1.
Test after 720 hours, washed samples carries out morphology observation and microscopic analysis is found, 6 samples all do not rupture, but there is to a certain degree damage in different parts, wherein test specimen 1 and test specimen 2 macro surface not damageds, test specimen 4 has the macroscopic cracking of obvious cracking, and there is fish scale-shaped damage in test specimen 6 surfaces, there is irregular macroscopic damage on test specimen 3 and test specimen 5 surfaces, by sample degree of injury, can judge that material resists the performance of stress corrosion under this environment.
Example 2 the present invention carry out small sample stress corrosion test
6 of same processing sample, according to the present invention, sample is assemblied on stress corrosion sample device, corrosion experiment chamber (12) when being tested, load wouldn't be installed, foil gauge (10) is affixed on to stress determination sample (9) parallel-segment, according to the interaction principle of power, only need counter stress to measure sample (9) and carry out stress-strain test, can accurately record the tension that sample (16) is subject to, thus the accuracy of further proof stress ring loaded load.
For accuracy and the reliability of verifying that this device loads, respectively foil gauge (10) is affixed on to the parallel-segment of stress determination sample (9) and sample (16), be designated as respectively A1, A3, then sample is loaded, and real time record foil gauge data, record A1 and A3 position stress, strain size is consistent, illustrates that sample (16) is consistent with the suffered magnitude of load of stress determination sample (9), meets this device design result.Its data and conventional stress loop are loaded to Data Comparison discovery, use stress loop calibration curve gained assumed (specified) load little compared with real load, utilize real load on conventional stress loop sample that calibration curve is carried in (16) much larger than Theoretical Design load, conventional stress loop loads with apparatus of the present invention and loads such as Fig. 4, illustrates and is necessary to use this device to load and conventional stress loop loading method is verified.
Determine after loaded load size, reuse apparatus of the present invention certain metal composite pipe is carried out to stress corrosion resistant experiment, load respectively 80% σ s, 100% two kinds of σ s stress levels, concrete loading parameters is as table 2, after 720 hours corrosion experiments, sample does not all rupture, there is no crackle and surface damage yet, sample is without the vestige of obvious plastic yield, explanation is rational through the amended loading method of the present invention, also in illustrated example 1, why sample occurs obviously along brilliant crackle and damage, reason is excessive the causing of conventional stress loop loading stress, there is larger experimental error, and adopt apparatus of the present invention experimental results accurate, reliably.
Table 1
Table 2
Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (8)
1. a small sample constant load stress corrosion proving installation, is characterized in that this device comprises with lower member: displacement transducer (1), loading screw rod (2), standing screw (3), base (4), stress loop (7), stress determination sample (9), corrosion test chamber (12), sample (16) and test medium (17);
Described stress loop (7) is fixed on base (4) by hold-down nut (5) by standing screw (3), this stress loop (7) inside has corrosion test chamber (12), test medium (17) and sample (16) are equipped with in this corrosion test chamber (12), the U-shaped fixture end of described standing screw (3), through the bottom in corrosion test chamber (12) the fixing bottom of sample (16), has lower sealing ring (18) between described standing screw (3) and corrosion test chamber (12);
Described loading screw rod (2) passes stress loop (7) top by loading nut (6) is connected with one end of stress determination sample (9), the other end of this stress determination sample (9) is U-shaped fixture end, the U-shaped fixture end of described stress determination sample (9) is through the top in corrosion test chamber (12) the fixing top of sample (16), between described loading screw rod (2) and corrosion test chamber (12), there is upper sealing ring (11), the size of described stress determination sample (9) is identical with sample (16), and at the middle part of this stress determination sample (9), foil gauge (10) is installed;
Described base (4) has a support, and displacement transducer (1) is installed on this support, and this displacement transducer (1) is positioned at the top of stress loop (7).
2. a kind of small sample constant load stress corrosion proving installation as claimed in claim 1, is characterized in that, between described upper sealing ring (11) and lower sealing ring (18) and corrosion test chamber (12), O-ring seal (13) is installed; The U-shaped fixture end of described stress determination sample (9) and the U-shaped fixture end of standing screw (3) pass through fixedly sample (16) of pin (20).
3. a kind of small sample constant load stress corrosion proving installation as claimed in claim 2, it is characterized in that having insulation spacer (19) between the U-shaped fixture end of described stress determination sample (9) and the U-shaped fixture end of standing screw (3) and sample (16), this insulation spacer (19) is teflon material; Described loading screw rod (2), standing screw (3), hold-down nut (5), to load nut (6), stress loop (7) and pin (20) be that Hastelloy by decay resistance processes.
4. a kind of small sample constant load stress corrosion proving installation as claimed in claim 1, it is characterized in that having rotation pad (8) between described loading nut (6) and stress loop (7), this rotation pad (8) is processed by the Hastelloy of decay resistance.
5. a kind of small sample constant load stress corrosion proving installation as claimed in claim 1, is characterized in that described corrosion test chamber (12) also has air intake opening (14) and gas outlet (15).
6. a kind of small sample constant load stress corrosion proving installation as claimed in claim 1, is characterized in that its sample of institute (16) is for flattened rectangular sample, and its thickness is 0.9mm～2mm, and width is 3mm～5mm.
7. a kind of small sample constant load stress corrosion proving installation as claimed in claim 1, is characterized in that described test medium (17) is corrosive medium.
8. the small sample constant load stress corrosion proving installation of employing as described in claim 1-7 carries out a method for corrosion test, it is characterized in that comprising the following steps:
Step 1, according to required simulated field working condition contrived experiment corrosive medium, sample loaded load size;
Step 2, installs sample (16), by loading screw rod (2) loading stress, by displacement transducer (1) and foil gauge (10), determines load;
Step 3, adds corrosive medium in corrosion experiment chamber (12), and air intake opening (14), gas outlet (15) are connected to respectively to H
2s, CO
2or N
2gas cylinder and exhaust treatment system;
Step 4, in corrosion experiment chamber (12), corrosive medium carries out, after abundant deoxygenation, passing into H
2s or CO
2deng corrosive gas, start experiment writing time, described test period is 720h;
Whether step 5, after experiment finishes, carries out abundant deoxygenation, and sample (16) is unloaded, observe sample and rupture and carry out crack detection, specimen surface erosion profile and corrosion product analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147919.3A CN103926146B (en) | 2014-04-11 | 2014-04-11 | A kind of small sample constant load stress corrosion test device and method of testing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147919.3A CN103926146B (en) | 2014-04-11 | 2014-04-11 | A kind of small sample constant load stress corrosion test device and method of testing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103926146A true CN103926146A (en) | 2014-07-16 |
| CN103926146B CN103926146B (en) | 2016-08-17 |
Family
ID=51144444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147919.3A Expired - Fee Related CN103926146B (en) | 2014-04-11 | 2014-04-11 | A kind of small sample constant load stress corrosion test device and method of testing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103926146B (en) |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266909A (en) * | 2014-10-16 | 2015-01-07 | 河海大学 | Corrosion experimental device for metal material under constant stress action |
| CN104697873A (en) * | 2015-03-06 | 2015-06-10 | 合肥通用机械研究院 | Sulfide stress corrosion cracking testing apparatus |
| CN104807711A (en) * | 2015-04-21 | 2015-07-29 | 中信重工机械股份有限公司 | Corrosion fatigue test device |
| CN104880367A (en) * | 2015-05-26 | 2015-09-02 | 中国特种设备检测研究院 | Constant load tensile test method and test device for sample in stress sensitive environment |
| CN105136651A (en) * | 2015-08-18 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Metal sheet-based wet-heat resistant property automatic detecting method |
| CN105136596A (en) * | 2015-07-20 | 2015-12-09 | 西安科技大学 | Crack tip stress corrosion cracking situation test system and crack tip stress corrosion cracking situation test method having constant-displacement load |
| CN105158093A (en) * | 2015-08-31 | 2015-12-16 | 武汉钢铁(集团)公司 | Testing device for fatigue crack growth rate under seawater corrosive environment and measuring method for testing device |
| CN105388101A (en) * | 2015-12-02 | 2016-03-09 | 中国石油天然气集团公司 | Combined-loading stress corrosion testing apparatus and method |
| CN105973793A (en) * | 2016-05-30 | 2016-09-28 | 中国科学院金属研究所 | Downhole stress corrosion testing method and device |
| CN106442181A (en) * | 2016-09-16 | 2017-02-22 | 天津大学 | Fatigue test device for marine riser external corrosion |
| CN106442282A (en) * | 2016-08-31 | 2017-02-22 | 西安摩尔石油工程实验室股份有限公司 | Constant load stress corrosion test device with load sensor |
| CN106546529A (en) * | 2016-10-14 | 2017-03-29 | 天津大学 | Marine structure stress corrosion testing device under alternation of wetting and drying |
| CN107817165A (en) * | 2017-11-28 | 2018-03-20 | 嘉峪关天源新材料有限责任公司 | A kind of device for being used to determine steel stress corrosion behavior in corrosive environment |
| CN109100217A (en) * | 2018-09-26 | 2018-12-28 | 中国石油天然气集团有限公司 | A kind of 4 points of curved test fixtures of anti-H 2 S stress corrosion |
| CN109443921A (en) * | 2018-12-03 | 2019-03-08 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Environment-pulling force coupling test device and system |
| CN109443920A (en) * | 2018-12-03 | 2019-03-08 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Environment-pulling force coupling test devices, systems, and methods |
| CN109916737A (en) * | 2019-03-04 | 2019-06-21 | 鞍钢股份有限公司 | A method of test oil well pipe anti-stress corrosion performance |
| CN110095350A (en) * | 2019-04-30 | 2019-08-06 | 北京航天发射技术研究所 | Evaluate the constant load testing stand and test method of transmitting station substrate corrosion susceptibility |
| CN110231218A (en) * | 2019-07-26 | 2019-09-13 | 西南石油大学 | The constant strain stress corrosion testing device and its test method of a kind of analog scene corrosive environment |
| CN111141612A (en) * | 2020-01-21 | 2020-05-12 | 鞍钢股份有限公司 | Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe |
| CN111426572A (en) * | 2020-03-13 | 2020-07-17 | 天津大学 | Constant-load stress corrosion on-line observation test device under hydrofluoric acid environment |
| CN112240851A (en) * | 2020-10-14 | 2021-01-19 | 衡阳华菱钢管有限公司 | Loading auxiliary device |
| CN112268854A (en) * | 2020-10-29 | 2021-01-26 | 中国石油天然气集团有限公司 | Pipe corrosion resistance evaluation device, installation method and evaluation method in corrosive environment |
| CN112393970A (en) * | 2020-11-13 | 2021-02-23 | 中国石油天然气集团有限公司 | Method and device for evaluating stress corrosion cracking sensitivity of pipe |
| CN112730207A (en) * | 2020-12-16 | 2021-04-30 | 贵州电网有限责任公司 | Weather-resistant steel iron tower bolt connection part test device and test method thereof |
| CN112834332A (en) * | 2020-12-29 | 2021-05-25 | 江苏容大材料腐蚀检验有限公司 | Loading detection method and monitoring system for sulfide stress corrosion uniaxial tensile test |
| CN112924368A (en) * | 2021-01-25 | 2021-06-08 | 西南石油大学 | Metal material corrosion resistance testing device and testing method thereof |
| CN113049386A (en) * | 2021-03-29 | 2021-06-29 | 三峡国际能源投资集团有限公司 | High-ductility cement-based composite material displacement control load holding device and method |
| CN114441306A (en) * | 2021-12-24 | 2022-05-06 | 中国特种设备检测研究院 | Method and device for testing metal protective coating in stress corrosion environment |
| CN114544340A (en) * | 2022-02-10 | 2022-05-27 | 武汉钢铁有限公司 | Metal material strain fatigue testing device and method based on corrosion environment |
| CN112098206B (en) * | 2020-09-01 | 2022-07-08 | 合肥通用机械研究院有限公司 | Bolt stress corrosion test device and test method using same |
| CN116539512A (en) * | 2023-05-12 | 2023-08-04 | 北京科技大学 | Stress corrosion simulation experiment equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896223B (en) * | 2018-05-02 | 2020-11-10 | 中国工程物理研究院材料研究所 | Stress test clamping device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216228A (en) * | 1988-02-24 | 1989-08-30 | Toko Tesutatsuku:Kk | Stress corrosion cracking testing machine |
| JP2007256123A (en) * | 2006-03-23 | 2007-10-04 | Inst Nuclear Energy Research Rocaec | System used for stress corrosion cracking test |
| CN101377461A (en) * | 2007-08-28 | 2009-03-04 | 宝山钢铁股份有限公司 | Apparatus and method for measuring welding tube corrosion under stress condition |
| CN101988879A (en) * | 2009-08-04 | 2011-03-23 | 上海海隆石油管材研究所 | Sulphide stress corrosion uniaxial tensile test loading detection method and monitoring system thereof |
| CN103506809A (en) * | 2012-06-28 | 2014-01-15 | 宝山钢铁股份有限公司 | Constant loading stress ring manufacturing method for high-temperature high-pressure environment containing poisonous and harmful gas |
-
2014
- 2014-04-11 CN CN201410147919.3A patent/CN103926146B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216228A (en) * | 1988-02-24 | 1989-08-30 | Toko Tesutatsuku:Kk | Stress corrosion cracking testing machine |
| JP2007256123A (en) * | 2006-03-23 | 2007-10-04 | Inst Nuclear Energy Research Rocaec | System used for stress corrosion cracking test |
| CN101377461A (en) * | 2007-08-28 | 2009-03-04 | 宝山钢铁股份有限公司 | Apparatus and method for measuring welding tube corrosion under stress condition |
| CN101988879A (en) * | 2009-08-04 | 2011-03-23 | 上海海隆石油管材研究所 | Sulphide stress corrosion uniaxial tensile test loading detection method and monitoring system thereof |
| CN103506809A (en) * | 2012-06-28 | 2014-01-15 | 宝山钢铁股份有限公司 | Constant loading stress ring manufacturing method for high-temperature high-pressure environment containing poisonous and harmful gas |
Non-Patent Citations (2)
| Title |
|---|
| 国家标准局: "《中华人民共和国国家标准 GB 4157-84 金属抗硫化物应力腐蚀开裂恒负荷拉伸试验方法》", 24 February 1984 * |
| 黄仲婴 等: "硫化物应力腐蚀开裂试验应力环载荷的测量及标定", 《理化检验-物理分册》 * |
Cited By (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266909A (en) * | 2014-10-16 | 2015-01-07 | 河海大学 | Corrosion experimental device for metal material under constant stress action |
| CN104697873B (en) * | 2015-03-06 | 2017-08-25 | 合肥通用机械研究院 | A kind of sulfide-stress cracking experimental rig |
| CN104697873A (en) * | 2015-03-06 | 2015-06-10 | 合肥通用机械研究院 | Sulfide stress corrosion cracking testing apparatus |
| CN104807711A (en) * | 2015-04-21 | 2015-07-29 | 中信重工机械股份有限公司 | Corrosion fatigue test device |
| CN104880367A (en) * | 2015-05-26 | 2015-09-02 | 中国特种设备检测研究院 | Constant load tensile test method and test device for sample in stress sensitive environment |
| CN105136596A (en) * | 2015-07-20 | 2015-12-09 | 西安科技大学 | Crack tip stress corrosion cracking situation test system and crack tip stress corrosion cracking situation test method having constant-displacement load |
| CN105136651A (en) * | 2015-08-18 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Metal sheet-based wet-heat resistant property automatic detecting method |
| CN105136651B (en) * | 2015-08-18 | 2017-12-01 | 重庆硕奥科技有限公司 | A kind of wet-hot aging performance automatic testing method based on sheet metal |
| CN105158093B (en) * | 2015-08-31 | 2018-04-17 | 武汉钢铁有限公司 | Fatigue crack growth rate experimental rig and its measuring method under corrosive environment of sea water |
| CN105158093A (en) * | 2015-08-31 | 2015-12-16 | 武汉钢铁(集团)公司 | Testing device for fatigue crack growth rate under seawater corrosive environment and measuring method for testing device |
| CN105388101A (en) * | 2015-12-02 | 2016-03-09 | 中国石油天然气集团公司 | Combined-loading stress corrosion testing apparatus and method |
| CN105388101B (en) * | 2015-12-02 | 2019-01-18 | 中国石油天然气集团公司 | A kind of Combined Loading stress corrosion testing device and method |
| CN105973793A (en) * | 2016-05-30 | 2016-09-28 | 中国科学院金属研究所 | Downhole stress corrosion testing method and device |
| CN105973793B (en) * | 2016-05-30 | 2019-01-18 | 中国科学院金属研究所 | A kind of underground stress corrosion test method and device |
| CN106442282A (en) * | 2016-08-31 | 2017-02-22 | 西安摩尔石油工程实验室股份有限公司 | Constant load stress corrosion test device with load sensor |
| CN106442181A (en) * | 2016-09-16 | 2017-02-22 | 天津大学 | Fatigue test device for marine riser external corrosion |
| CN106442181B (en) * | 2016-09-16 | 2018-12-28 | 天津大学 | The outer corrosion fatigue test apparatus of marine riser |
| CN106546529A (en) * | 2016-10-14 | 2017-03-29 | 天津大学 | Marine structure stress corrosion testing device under alternation of wetting and drying |
| CN106546529B (en) * | 2016-10-14 | 2019-03-26 | 天津大学 | Marine structure stress corrosion testing device under alternation of wetting and drying |
| CN107817165A (en) * | 2017-11-28 | 2018-03-20 | 嘉峪关天源新材料有限责任公司 | A kind of device for being used to determine steel stress corrosion behavior in corrosive environment |
| CN109100217A (en) * | 2018-09-26 | 2018-12-28 | 中国石油天然气集团有限公司 | A kind of 4 points of curved test fixtures of anti-H 2 S stress corrosion |
| CN109443921A (en) * | 2018-12-03 | 2019-03-08 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Environment-pulling force coupling test device and system |
| CN109443920A (en) * | 2018-12-03 | 2019-03-08 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Environment-pulling force coupling test devices, systems, and methods |
| CN109916737A (en) * | 2019-03-04 | 2019-06-21 | 鞍钢股份有限公司 | A method of test oil well pipe anti-stress corrosion performance |
| CN110095350A (en) * | 2019-04-30 | 2019-08-06 | 北京航天发射技术研究所 | Evaluate the constant load testing stand and test method of transmitting station substrate corrosion susceptibility |
| CN110231218A (en) * | 2019-07-26 | 2019-09-13 | 西南石油大学 | The constant strain stress corrosion testing device and its test method of a kind of analog scene corrosive environment |
| CN111141612B (en) * | 2020-01-21 | 2022-05-13 | 鞍钢股份有限公司 | Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe |
| CN111141612A (en) * | 2020-01-21 | 2020-05-12 | 鞍钢股份有限公司 | Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe |
| CN111426572A (en) * | 2020-03-13 | 2020-07-17 | 天津大学 | Constant-load stress corrosion on-line observation test device under hydrofluoric acid environment |
| CN112098206B (en) * | 2020-09-01 | 2022-07-08 | 合肥通用机械研究院有限公司 | Bolt stress corrosion test device and test method using same |
| CN112240851A (en) * | 2020-10-14 | 2021-01-19 | 衡阳华菱钢管有限公司 | Loading auxiliary device |
| CN112268854A (en) * | 2020-10-29 | 2021-01-26 | 中国石油天然气集团有限公司 | Pipe corrosion resistance evaluation device, installation method and evaluation method in corrosive environment |
| CN112393970A (en) * | 2020-11-13 | 2021-02-23 | 中国石油天然气集团有限公司 | Method and device for evaluating stress corrosion cracking sensitivity of pipe |
| CN112730207A (en) * | 2020-12-16 | 2021-04-30 | 贵州电网有限责任公司 | Weather-resistant steel iron tower bolt connection part test device and test method thereof |
| CN112834332A (en) * | 2020-12-29 | 2021-05-25 | 江苏容大材料腐蚀检验有限公司 | Loading detection method and monitoring system for sulfide stress corrosion uniaxial tensile test |
| CN112924368A (en) * | 2021-01-25 | 2021-06-08 | 西南石油大学 | Metal material corrosion resistance testing device and testing method thereof |
| CN113049386A (en) * | 2021-03-29 | 2021-06-29 | 三峡国际能源投资集团有限公司 | High-ductility cement-based composite material displacement control load holding device and method |
| CN113049386B (en) * | 2021-03-29 | 2023-01-31 | 三峡国际能源投资集团有限公司 | High-ductility cement-based composite material displacement control load holding device and method |
| CN114441306A (en) * | 2021-12-24 | 2022-05-06 | 中国特种设备检测研究院 | Method and device for testing metal protective coating in stress corrosion environment |
| CN114544340A (en) * | 2022-02-10 | 2022-05-27 | 武汉钢铁有限公司 | Metal material strain fatigue testing device and method based on corrosion environment |
| CN116539512A (en) * | 2023-05-12 | 2023-08-04 | 北京科技大学 | Stress corrosion simulation experiment equipment |
| CN116539512B (en) * | 2023-05-12 | 2023-12-22 | 北京科技大学 | Stress corrosion simulation experiment equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103926146B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103926146A (en) | Constant-load stress corrosion testing device of small test sample and testing method thereof | |
| CN105891099B (en) | Experimental method and device for welding joint force-corrosion coupling test | |
| CN102706750B (en) | High-temperature high-pressure constant load stress corrosion experiment method and device | |
| WO2020057270A1 (en) | Ultrasonic nondestructive detection method for expanded size of micro crack of material | |
| CN103776702B (en) | A kind of corrosion and hot environment under low cycle fatigue test device and method | |
| CN102661836B (en) | Device for detecting sealing performance and corrosion performance of rubber under pressure state | |
| CN104931373B (en) | A kind of Corrosion Fatigue Crack Propagation experimental rig | |
| CN104931372A (en) | Experimental method for simulating stress corrosion of metal material under working conditions | |
| CN108072567A (en) | A kind of plastics constant temperature stress etching experiment device and method | |
| CN110954411A (en) | Novel small sample micro-tensile test device and test method thereof | |
| CN203929593U (en) | A kind of high-temperature high-pressure apparatus material corrosion comprehensive study experiment table reactor | |
| CN103163023A (en) | Method and device for testing environmental fracture toughness of petroleum pipe | |
| CN104535421A (en) | Detecting instrument and method for performance of cross-linked polymer gel | |
| CN205192868U (en) | A normal position temperature loading device for neutron diffraction | |
| CN203216822U (en) | Anti-hydrogen sulfide stress corrosion cracking bending test device | |
| CN107505213B (en) | Novel small punch test device and test method thereof | |
| CN105675481A (en) | Electrochemical experiment apparatus and test method for corrosion of samples with tensile stress loaded in high-temperature and high-pressure fluid environment | |
| CN209123872U (en) | The device of dynamic monitoring deformation index under a kind of high-temperature and high-pressure conditions in reaction kettle | |
| Yan et al. | Early inspection of wet steam generator tubes based on metal magnetic memory method | |
| CN116046537A (en) | Stress corrosion micro-area in-situ test device and method | |
| CN203287249U (en) | High temperature and high pressure sound emission electrochemical simulation experiment set capable of loading stress | |
| CN114594350A (en) | Simulation test device for insulation repair under external injection of power cable and method for insulation repair evaluation | |
| CN110146373B (en) | Standard fastener low temperature mechanical properties test fixture | |
| CN106018266A (en) | Rock expansion test device | |
| CN101603872B (en) | Indirect test method for explosion-proof pressure of metal battery shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160817 Termination date: 20170411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |