CN101477010B - Corrosion product film wear property and corrosion electro-chemistry test device - Google Patents

Corrosion product film wear property and corrosion electro-chemistry test device Download PDF

Info

Publication number
CN101477010B
CN101477010B CN2009100761393A CN200910076139A CN101477010B CN 101477010 B CN101477010 B CN 101477010B CN 2009100761393 A CN2009100761393 A CN 2009100761393A CN 200910076139 A CN200910076139 A CN 200910076139A CN 101477010 B CN101477010 B CN 101477010B
Authority
CN
China
Prior art keywords
sample
corrosion
corrosion products
galvanochemistry
products film
Prior art date
Application number
CN2009100761393A
Other languages
Chinese (zh)
Other versions
CN101477010A (en
Inventor
柳伟
路民旭
贾月彩
杨善武
Original Assignee
北京科技大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 北京科技大学 filed Critical 北京科技大学
Priority to CN2009100761393A priority Critical patent/CN101477010B/en
Publication of CN101477010A publication Critical patent/CN101477010A/en
Application granted granted Critical
Publication of CN101477010B publication Critical patent/CN101477010B/en

Links

Abstract

The invention relates to a device for testing abrasion property and corrosion electrochemistry of a corrosion product film, and belongs to the technical field of corrosion simulation experiment and electrochemistry test. The device consists of main parts such as an electric motor, a sealing cover, a rotary disc, a friction block, a sample table, a three-electrode electrochemistry test system, an external electrochemistry test instrument, a thermostatic water bath, and the like; and the rotary friction block of the rotary disc abrades a sample, an electrochemistry test adopts a three-electrode system, and the electrochemistry sample as a working electrode, a platinum wire as a reference electrode surrounding the periphery of the electrochemistry sample and a saturated calomel electrode to form the three-electrode system. The device can measure the abrasion resistant property of the formed corrosion product film, and simultaneously measure electrochemical parameters for the samples covered by the corrosion product film during abrasion to obtain electrochemical parameter values at different time of abrasion of the corrosion product film.

Description

A kind of corrosion products film polishing machine and corrosion electrochemistry proving installation
Technical field
The invention belongs to corrosion simulated experiment and Electrochemical Measurement Technology field, a kind of corrosion products film electro-chemical test device under abrasive conditions particularly is provided.Be applicable to the electrochemical parameter of corrosion product in wear process that forms under the different corrosion environments tested, and can measure the abrasion resistance properties of corrosion products film.This device can be realized the simulation of different corrosion environments in addition.
Background technology
Cover complete and fine and close corrosion products film and have the corrosion of slowing down; the effect of protection parent metal; but the corrosion products film of the base metal surface effect that usually can be worn in actual use; be easy to attenuate even break; the parent metal corrosion speed is increased; boxcar for example, bridge plate, the deck of boat, inner-walls of duct etc.Electrode process in the polishing machine of corrosion products film self and the wearing and tearing is two importances of decision galling corrosive nature.Electrochemical process characteristics in the abrasional behavior of clear and definite corrosion products film and the wear process, for the abrasion resistance properties of grasping corrosion products film, the understanding corrosion products film has great importance to the effect of parent metal electrochemical corrosion course.At present typical corrosive wear testing machine is the pin plate formula to-and-fro movement frictional testing machine that the has liquid bath (G.W.P.Rengstorff of foundation such as W.P.Rengstorff, K.Miyoshi, D.H.Buckley, Trans.ASLE.1984,20 (1): 43), progressively perfect through Jiang Xiaoxia of Metal Inst., Chinese Academy of Sciences etc. afterwards, can measure the friction and wear behavior (Jiang Xiaoxia of metallic matrix in the different corrosive mediums, Li Shizhuo, Li Shu, the corrosion of metal wearing and tearing, Beijing: Chemical Industry Press, 2003).Also have corrosion and wearing and tearing synchronous measuring apparatus (Wang Antai; pottery Lin in addition, Yang Yanyi, a kind of corrosion and wearing and tearing synchronous measuring apparatus, knowledge product office of country, the patent No.: 87214788), corrosion and wearing and tearing reciprocation dynamic measurement device (Huang Weijiu, Liu Ming, Li Zhaofeng, a kind of corrosion and the dynamic measurement mechanism of wearing and tearing reciprocation, State Intellectual Property Office, the patent No.: 200620111395.3) etc., but these all are the measurements to the corrosion wear characteristic of steel matrix, lack and can measure the polishing machine of the corrosion products film that forms in the different corrosion environments and the proving installation of electrochemical behavior simultaneously, this has brought restriction for the understanding abrasion resistance properties of corrosion products film and corrosion products film to the influence of the electrochemical reaction process in the wearing and tearing.
Summary of the invention
Fundamental purpose of the present invention is to provide corrosion products film polishing machine and corrosion electrochemistry proving installation.This device can be realized the electrochemical signals test to parent metal corrosion in the formed corrosion products film wear process under the different corrosion environments, can make things convenient for to measure corrosion products film covering corrosion of metal electrochemical behavior under the abrasive conditions exactly.
The present invention is by motor, gland bonnet, rotating circular disk, friction block, and major parts such as sample bench, three-electrode electro Chemical test macro are formed, external electro-chemical test instrument and water bath with thermostatic control.
Motor 1 links to each other by shaft coupling 24 with rotating circular disk 9, and it is interior with fixed electrical machinery 1 that four foot-screws 23 of motor 1 insert gland bonnet, and machine governor 2 is in order to regulate the rotating speed of rotating circular disk 9.Motor 1 links to each other with rotating circular disk 9 by shaft coupling 24, friction block 11 is fixed on the rotating circular disk 9 by friction block anchor clamps 10, by the driven rotary of rotating circular disk 9, wearing and tearing sample 12 that has corrosion products film and the galvanochemistry sample 25 that has corrosion products film are worn and torn.Have the wearing and tearing sample 12 and the galvanochemistry sample 25 that has corrosion products film of corrosion products film, place wearing and tearing sample groove 27 and galvanochemistry sample groove 32 places that are positioned on the specimen holder 13 respectively.Have corrosion products film galvanochemistry sample 25 as working electrode, be fixed in the galvanochemistry sample groove 32, it connects lead 21 and draws from galvanochemistry sample metallic channel 31, platinum filament 26 is as auxiliary electrode, be placed in the platinum filament groove 29, be looped around galvanochemistry sample 25 around, platinum filament lead 20 is drawn by platinum filament metallic channel 30.Saturated calomel electrode 18, galvanochemistry sample 25 and platinum filament 26 constitute three-electrode systems, link to each other with external electro-chemical test system by lead, measure the electrochemical parameter of the galvanochemistry sample 25 under the corrosion products film difference state of wear.
Described wearing and tearing sample 12 and galvanochemistry sample 25 are lower than solution 16 surfaces 5~10cm in the experimental box.
Described specimen holder 13 is fixed on the sample bench 14, and a plurality of wearing and tearing sample 12 and galvanochemistry samples 25 that have corrosion products film are housed.
On gland bonnet 5, leave air intake opening 3 and exhausr port 19., except screw 4, added O RunddichtringO 6 and sealed at position that gland bonnet 5 contacts with flange 7.After the rotation of friction block 11 is worn and torn to the sample 12 that has corrosion products film, obtain the polishing machine of corrosion products film by the weightlessness of corrosion products film before and after weighing and the calculating wearing and tearing.
The beneficial effect of this device is, can make metal or alloy in specific corrosion environment, form corrosion products film, and can carry out wear test to formed corrosion products film, measure the abrasion resistance properties of formed corrosion products film, simultaneously the sample that has corrosion products film to cover in the wear process is carried out the measurement of electrochemical parameter, obtain the electrochemical parameter value behind the corrosion products film wearing and tearing different time.Can be used for simulating multiple corrosion environment by the electrolytic solution that feeds corrosive gas and casing the inside.
Description of drawings
Fig. 1 is a structural representation of the present invention.Wherein motor 1, machine governor 2, air intake opening 3, gland bonnet screw 4, gland bonnet 5, O RunddichtringO 6, flange 7, rotating circular disk screw 8, rotating circular disk 9, friction block anchor clamps 10, friction block 11 (4 and replaceable), the wearing and tearing sample 12 that has corrosion products film, specimen holder 13, sample bench 14, container 15, solution 16, salt bridge 17, saturated calomel electrode 18, exhausr port 19, platinum filament lead 20, galvanochemistry sample lead 21, saturated calomel electrode lead 22, motor sole screw 23, shaft coupling 24.
Fig. 2 three-electrode system structural drawing (A district among Fig. 1) wherein has galvanochemistry sample 25, the platinum filament 26 of corrosion products film.
Fig. 3 specimen holder vertical view, wherein have corrosion products film wearing and tearing sample groove 27, screw 28, platinum filament groove 29, platinum filament metallic channel 30, galvanochemistry sample metallic channel 31, have the galvanochemistry sample groove 32 of corrosion products film.
Embodiment
Preparation has a corrosion products film sample 12, and is that the electronic analytical balance of 0.1mg is weighed to having corrosion products film sample 12 usefulness precision.Fig. 1 and shown in Figure 3 is separately fixed at wearing and tearing sample groove 27 and galvanochemistry sample groove 32 places on the specimen holder 13 with the galvanochemistry sample 25 that has corrosion products film sample 12 and have a corrosion products film for preparing.Shown in Figure 2, galvanochemistry sample 25 is drawn by galvanochemistry sample lead 21, platinum filament 26 is put into the platinum filament metallic channel 30 in galvanochemistry sample 25 outsides, draw by platinum filament lead 20, saturated calomel electrode 18 as contrast electrode is put into salt bridge 17, and galvanochemistry sample 25, platinum filament 26, mercurous chloride electrode 18 are formed three-electrode system.Shown in Figure 1, specimen holder 13 is fixed on the sample bench 14, the wearing and tearing sample 12 that has corrosion products film has 5, has totally 1 on the galvanochemistry sample 25 of corrosion products film, is placed on the wearing and tearing sample groove 27 and galvanochemistry sample metallic channel 32 places of the specimen holder 13 above the sample bench 14 respectively.Platinum filament lead 20, galvanochemistry sample lead 21, saturated calomel electrode lead 22 are connected on the outer electro-chemical test instrument of device, friction block 11 are fixed on the rotating disk 9, again rotating circular disk 9 is linked to each other with motor 1 by shaft coupling 24 with friction block anchor clamps 13.In container 15, inject solution 16 subsequently, exceed the surperficial 5cm of wearing and tearing sample 12 and galvanochemistry sample 25 until liquid level, treat solution-stabilized after, the gland bonnet 5 that will have motor 1 covers, and rationally regulates three electrode position.Last opening power, regulate the rotating speed of machine governor 2, friction block 11 on the rotating circular disk 9 is worn and torn with the corrosion products film of certain speed to wearing and tearing sample 12 and galvanochemistry sample 25 surfaces, and external electro-chemical test system can carry out electro-chemical test to galvanochemistry sample 25 behind the wearing and tearing different time.Proceed to the time of setting when wearing and tearing after, take out the wearing and tearing sample 12 that has corrosion products film, carry out its weight of weighing once more after wearing and tearing sample 12 is dewatered, calculate the abrasion resistance properties of corrosion products film according to the loss in weight.Utilize gland bonnet 5, O RunddichtringO 6, air intake opening 3 and exhausr port 19, can realize the simulation of the corrosion environment that the variety classes corrosive gas forms under normal pressure according to the test needs.

Claims (3)

1. corrosion products film polishing machine and corrosion electrochemistry proving installation, it is characterized in that, comprise motor, gland bonnet, rotating circular disk, friction block, sample bench, the three-electrode electro Chemical test macro, external electro-chemical test instrument and water bath with thermostatic control, motor (1) links to each other with rotating circular disk (9) by shaft coupling (24), friction block (11) is fixed on the rotating circular disk (9) by friction block anchor clamps (10), by the driven rotary of rotating circular disk (9), wearing and tearing sample (12) that has corrosion products film and the galvanochemistry sample (25) that has corrosion products film are worn and torn; The galvanochemistry sample (25) that has the wearing and tearing sample (12) of corrosion products film and have a corrosion products film is placed on the wearing and tearing sample groove (27) and the galvanochemistry sample groove (32) of specimen holder (13) respectively and locates; The galvanochemistry sample (25) that has corrosion products film is as working electrode, be fixed in the galvanochemistry sample groove (32), it connects lead (21) and draws from galvanochemistry sample metallic channel (31), platinum filament (26) is as auxiliary electrode, be placed in the platinum filament groove (29), be looped around galvanochemistry sample (25) around, platinum filament lead (20) is drawn by platinum filament metallic channel (30), saturated calomel electrode (18), galvanochemistry sample (25) and platinum filament (26) constitute three-electrode system, link to each other with external electro-chemical test instrument by lead, measure the electrochemical parameter of the galvanochemistry sample (25) under the different state of wear of corrosion products film; Leave air intake opening (3) and exhausr port (19) on the gland bonnet (5), at position that gland bonnet (5) contacts with flange (7) except screw (4), also having added O RunddichtringO (6) seals, utilize gland bonnet (5), O RunddichtringO (6), air intake opening (3) and exhausr port (19), according to the test needs, realize the simulation of the corrosion environment that the variety classes corrosive gas forms under normal pressure.
2. corrosion products film polishing machine as claimed in claim 1 and corrosion electrochemistry proving installation is characterized in that, wearing and tearing sample (12) and galvanochemistry sample (25) are lower than solution in the chamber (16) surface 5~10cm.
3. corrosion products film polishing machine as claimed in claim 1 and corrosion electrochemistry proving installation, it is characterized in that, specimen holder (13) is fixed on the sample bench (14), and a plurality of wearing and tearing sample (12) and galvanochemistry samples (25) that have corrosion products film are housed.
CN2009100761393A 2009-01-09 2009-01-09 Corrosion product film wear property and corrosion electro-chemistry test device CN101477010B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100761393A CN101477010B (en) 2009-01-09 2009-01-09 Corrosion product film wear property and corrosion electro-chemistry test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100761393A CN101477010B (en) 2009-01-09 2009-01-09 Corrosion product film wear property and corrosion electro-chemistry test device

Publications (2)

Publication Number Publication Date
CN101477010A CN101477010A (en) 2009-07-08
CN101477010B true CN101477010B (en) 2011-02-16

Family

ID=40837755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009100761393A CN101477010B (en) 2009-01-09 2009-01-09 Corrosion product film wear property and corrosion electro-chemistry test device

Country Status (1)

Country Link
CN (1) CN101477010B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975739B (en) * 2010-08-27 2012-08-08 华南理工大学 Equipment for dynamically simulating and testing biodegradability of magnesium alloy medical apparatus in vitro
CN102620972B (en) * 2012-04-19 2014-04-09 江苏大学 Device and method for preparing electrochemical corrosive sample
CN103389263A (en) * 2013-07-17 2013-11-13 中国船舶重工集团公司第七二五研究所 Testing apparatus for dynamic galvanic corrosion
CN103411879B (en) * 2013-07-18 2015-04-29 北京科技大学 High temperature and high pressure dynamic electrochemical test and pH in situ monitoring experimental device
CN104122156A (en) * 2014-08-06 2014-10-29 上海第一水泵厂有限公司 Abrasion testing machine
CN105784525B (en) * 2016-03-17 2018-09-18 中国石油大学(北京) Rotary more way of contact corrosive wear experimental rigs
CN106053324B (en) * 2016-05-19 2019-05-17 北京科技大学 A kind of humidity corrosion electrochemical testing device of controlled atmosphere and liquid film ingredient
CN106940277A (en) * 2017-05-25 2017-07-11 河南科技大学 Dissimilar metal friction is with secondary corrosion wear characteristic method of testing and test device
RU2730054C1 (en) * 2017-06-06 2020-08-14 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ "Брянский государственный технический университет" Device for experimental study of process of corrosion-mechanical wear
CN107300508B (en) * 2017-07-19 2019-09-17 暨南大学 A kind of testing machine of metal material impact resistance corrosive wear
CN107991357A (en) * 2017-11-29 2018-05-04 常州大学 Dual rotary disk backward erosion corrosion testing machine
CN108387508A (en) * 2018-01-25 2018-08-10 西北有色金属研究院 A kind of experimental rig with metal fatigue and frictional behaviour detection function
CN108444851B (en) * 2018-03-30 2021-02-26 上海海事大学 Friction corrosion electrochemical testing device and method
CN110006818A (en) * 2019-02-20 2019-07-12 常州大学 A kind of pin-disc type corrosive wear experimental rig

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87214788U (en) * 1987-11-02 1988-06-08 核工业部北京第五研究所 Synchronous measuring equipment for corrosion and abrasion
CN1664559A (en) * 2005-03-25 2005-09-07 北京科技大学 Dynamic high-temperature and pressure electro-chemical measurement experimental device
CN200952990Y (en) * 2006-09-22 2007-09-26 重庆工学院 Corrosion and wear interaction dynamic measuring device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87214788U (en) * 1987-11-02 1988-06-08 核工业部北京第五研究所 Synchronous measuring equipment for corrosion and abrasion
CN1664559A (en) * 2005-03-25 2005-09-07 北京科技大学 Dynamic high-temperature and pressure electro-chemical measurement experimental device
CN200952990Y (en) * 2006-09-22 2007-09-26 重庆工学院 Corrosion and wear interaction dynamic measuring device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
柳伟等.Ni-Ti合金的磨损行为.《摩擦学学报》.2002,第22卷(第2期),156-159. *
陈长风等.环境因素对CO2均匀腐蚀速率的影响及腐蚀速率预测模型的建立.《中国海上油气》.2004,第16卷(第5期),337-341. *

Also Published As

Publication number Publication date
CN101477010A (en) 2009-07-08

Similar Documents

Publication Publication Date Title
Zheng et al. Determination of the critical flow velocities for erosion–corrosion of passive materials under impingement by NaCl solution containing sand
Lin et al. A study on the initiation of pitting corrosion in carbon steel in chloride-containing media using scanning electrochemical probes
Lamaka et al. Monitoring local spatial distribution of Mg2+, pH and ionic currents
Deslouis et al. Interfacial pH measurement during the reduction of dissolved oxygen in a submerged impinging jet cell
Nesic et al. An electrochemical model for prediction of corrosion of mild steel in aqueous carbon dioxide solutions
Zhang et al. Electrochemical corrosion behavior of carbon steel under dynamic high pressure H2S/CO2 environment
Homborg et al. Transient analysis through Hilbert spectra of electrochemical noise signals for the identification of localized corrosion of stainless steel
CN104568726B (en) High temperature and high pressure corrosion hydrogen permeation kinetic test device and test method thereof
CN105300874A (en) Stress corrosion and hydrogen measuring electrochemical in-situ measurement device under slow strain speed condition
CN103245519A (en) Device and method for evaluating oil paper insulation aging and predicting service life of transformer
CN105784525B (en) Rotary more way of contact corrosive wear experimental rigs
CN103293094B (en) A kind of electro-chemical measuring apparatus and using method thereof that quantitatively can change thickness of liquid film
CN103969176A (en) Method for testing seawater corrosion of low-alloy steel under stress state
CN106644917B (en) A kind of electrolytic cell device for simulated deep-sea environment electro-chemical test
CN105806772B (en) Double rotary-type corrosive wear testing machines of column
CN102175595B (en) Test method for lossless monitoring and detection for material accelerated corrosion under simulated marine environment
Gimenez et al. Experimental pH potential diagram of aluminum for sea water
Homborg et al. Detection of microbiologically influenced corrosion by electrochemical noise transients
Andrade et al. Experimental procedure for the calculation of chloride diffusion coefficients in concrete from migration tests
CN104729942B (en) A kind of corrosive wear experimental rig and its application method
CN105258737B (en) A kind of industrial area electric power line pole tower Forecast of Remaining Life of Corrosive
CN104931373B (en) A kind of Corrosion Fatigue Crack Propagation experimental rig
CN101963574A (en) In situ corrosion electrochemical measurement device under the action of stretching stress
CN101699282B (en) Device for measuring acid/rock reaction dynamics parameters of acid liquid systems with different viscosities
CN102721637B (en) Multi-functional test system and method for concrete durability under action of continuous pressure

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
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110216

Termination date: 20140109