WO2024036426A1 - Support de coupon - Google Patents

Support de coupon Download PDF

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Publication number
WO2024036426A1
WO2024036426A1 PCT/CN2022/112387 CN2022112387W WO2024036426A1 WO 2024036426 A1 WO2024036426 A1 WO 2024036426A1 CN 2022112387 W CN2022112387 W CN 2022112387W WO 2024036426 A1 WO2024036426 A1 WO 2024036426A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupon
holder
hanger
corrosion
cage
Prior art date
Application number
PCT/CN2022/112387
Other languages
English (en)
Inventor
Wenbin Wei
Lingqing NIE
Steven Dong
Lily Yang
Original Assignee
Ecolab Usa Inc.
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 Ecolab Usa Inc. filed Critical Ecolab Usa Inc.
Priority to PCT/CN2022/112387 priority Critical patent/WO2024036426A1/fr
Publication of WO2024036426A1 publication Critical patent/WO2024036426A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/04—Corrosion probes
    • G01N17/043—Coupons
    • G01N17/046—Means for supporting or introducing coupons

Definitions

  • the present disclosure relates generally to the field of corrosion test piece cleaning systems, methods, and/or apparatus. More particularly, but not exclusively, the disclosure relates to systems and/or apparatus for holding corrosion coupons, such as during automated cleaning of the same via an automated coupon cleaning system for the cleaning of corrosion test pieces, such as including, but not limited to, corrosion coupons used to measure the corrosion in water treatment systems.
  • the corrosion coupon includes a relatively simple device and method and is widely used to measure the corrosion in a water treatment system.
  • a coupon is a rectangular piece of metal, and it is installed in the water treatment system for a period time.
  • the coupon is taken to a lab for cleaning and analysis.
  • the coupon is generally cleaned manually in a lab before it is weighed and evaluated to determine the amount of corrosion in the water treatment system, which can provide valuable information about said system.
  • the coupon is submerged in a solution, such as an acid solution, alkali solution, deionized (DI) water, and/or alcohol for a predetermined amount of time.
  • a solution such as an acid solution, alkali solution, deionized (DI) water, and/or alcohol
  • DI deionized
  • the coupon is then removed from the solution (s) and dried, such as by air.
  • the entire process is operated manually, which is very time consuming.
  • there is a heightened risk of safety and security during the process as there is at least the possibility of contacting any of the solutions, which may be harmful to contact.
  • the coupons may run into one another and/or the coupon may not be easily cleaned.
  • the apparatus be safe, cost effective, and durable.
  • the coupon hanger will be submerged in varying liquid solutions comprising acids, alkalis, and the like, the coupon holder should be able to last at least as long as the coupons being held and cleaned.
  • At least one embodiment disclosed herein comprises a distinct aesthetic appearance. Ornamental aspects included in such an embodiment can help capture a consumer’s attention and/or identify a source of origin of a product being sold. Said ornamental aspects will not impede functionality of the coupon holder.
  • the coupon holder can be incorporated into systems which accomplish some or all of the previously stated objectives. This includes both automated cleaning systems and manual cleaning systems for the cleaning of corrosion coupons.
  • a holder for corrosion pieces comprises a body having a t-shaped hanger at an upper portion, wherein said body is open from a front portion to a rear portion away from the t-shaped hanger; and a cage for holding a corrosion piece at the open body, said cage comprising an open upper portion for receiving a corrosion piece, a closed lower portion, and substantially open from and rear sections; wherein said substantially open front and rear sections of the cage comprising one or more ribs crossing said substantially open front and rear to aid in holding the corrosion piece in place.
  • said open upper portion of the cage comprises a taper from an internal axis outwardly.
  • the cage comprises three ribs.
  • the three ribs include a taper from an upper portion to a lower portion.
  • the cages comprise first, second, third, and fourth vertical portions extending between the open upper portion and the closed lower portion.
  • the cage is connected to the body via the vertical portions.
  • the ribs extend generally transverse to the vertical portions.
  • the body comprises a neck between the t-shaped hanger and the open portion, said neck being narrower than the hanger and the open portion of the body.
  • a corrosion coupon holder and a coupon holder hanger comprises a corrosion coupon holder comprising: a body having a t-shaped hanger at an upper portion, wherein said body is open from a front portion to a rear portion away from the t-shaped hanger; and a cage for holding a corrosion piece at the open body, said cage comprising an open upper portion for receiving a corrosion piece, a closed lower portion, and substantially open from and rear sections; wherein said substantially open front and rear sections of the cage comprising one or more ribs crossing said substantially open front and rear to aid in holding the corrosion piece in place; and a coupon holder hanger comprising: an elongated hanger body having a plurality of slots in an upper portion of the elongated body for receiving a plurality of corrosion coupon holders.
  • the elongated hanger body further comprises downward facing notches at opposite ends thereof.
  • the downward facing notches comprise downward facing concave shapes.
  • the coupon holder hanger further comprises an upwardly extending attachment member extending from the elongated hanger body.
  • said open upper portion of the cage comprises a taper from an internal axis outwardly.
  • the one or more ribs of the cage include a taper from an upper portion to a lower portion.
  • the cages comprise first, second, third, and fourth vertical portions extending between the open upper portion and the closed lower portion.
  • the cage is connected to the body via the vertical portions.
  • the ribs extend generally transverse to the vertical portions.
  • a corrosion coupon hanging assembly comprises a coupon holder hanger comprising an elongated hanger body with a plurality of slots therein; a plurality of corrosion coupon holders positioned in the plurality of slots of the coupon holder hanger, said plurality of corrosion coupon holders comprising a hanger positioned in the slots and a holder body extending from said hanger, said holder body having an open portion from a front to a rear and including a cage attached thereto, wherein said cage comprises an upper portion for receiving a corrosion piece, a closed lower portion, substantially open from and rear sections; and one or more cross ribs.
  • the assembly further comprises a corrosion coupon positioned in the cage of the coupon holder.
  • the elongated hanger body further comprises downward facing notches at opposite ends thereof.
  • Figure 1 is a perspective view of an automated coupon cleaning system according to aspects and/or embodiments disclosed herein.
  • Figure 2 is a front elevation view of the automated coupon cleaning system of Figure 1.
  • Figure 3 is a top plan view of the automated coupon cleaning system of Figure 1.
  • Figure 4 is a side view of the automated coupon cleaning system of Figure 1.
  • Figure 5 is a perspective view of a corrosion coupon hanging assembly according to aspects and/or embodiments of the disclosure.
  • Figure 6 is a perspective view of a corrosion coupon holder according to aspects and/or embodiments of the disclosure.
  • exemplary refers to an example, an instance, or an illustration, and does not indicate a most preferred embodiment unless otherwise stated.
  • substantially refers to a great or significant extent. “Substantially” can thus refer to a plurality, majority, and/or a supermajority of said quantifiable variable, given proper context.
  • the term “configured” describes structure capable of performing a task or adopting a particular configuration.
  • the term “configured” can be used interchangeably with other similar phrases, such as constructed, arranged, adapted, manufactured, and the like.
  • Corrosion coupon is pre-weighed and measured metal strips which are mounted in a special pipe system called a coupon rack. They are used to estimate the rate of metal corrosion by comparing the initial weight with the weight following a determined amount of time of exposure to the water in the system.
  • Corrosion coupons are pre-weighed and measured metal strips which are mounted in a special pipe system called a coupon rack. They are used to estimate the rate of metal corrosion by comparing the initial weight with the weight following 60, 90 or 120 days (or some other preset or predetermined amount of time) of exposure to the water in the system. Corrosion coupons are installed in a system with the intention of predicting the corrosion rate for the entire system.
  • the corrosion coupon (weight loss) technique is the best known and simplest of all corrosion monitoring techniques.
  • the method involves exposing a specimen of material (the coupon) to a process environment for a given duration, then removing the specimen for analysis.
  • the basic measurement that is determined from corrosion coupons is weight loss; the weight loss taking place over the period of exposure being expressed as corrosion rate.
  • weight loss coupons are: (1) that the technique is applicable to all environments: gases, liquids, and solids/particulate flows, (2) that visual inspection can be undertaken, (3) that corrosion deposits can be observed and analyzed, (4) that weight loss can be readily determined, and corrosion rate can be easily calculated, (5) that localized corrosion can be identified and measured, and (6) that inhibitor performance can be easily assessed.
  • the system 10 is generally shown as an enclosed or semi-enclosed system.
  • the system 10 includes a cleaning machine, system, or apparatus 12, which comprises a frame 14.
  • the frame 14 is generally the base of the system/machine.
  • the frame 14 may comprise metal or other rigid materials capable of supporting the elements of the machine 12 and/or system 10.
  • a shell plate 15 or other outer, protective structure is provided to provide some safety for the system 10.
  • the shell plate 15 provides a barrier to mitigate exposure of any of the materials, moving parts, and/or solutions of the cleaning system 10 by a user.
  • the shell plate 15 is shown to cover less than an entire amount of the area between portions of the frame 14.This provides a semi-enclosed system wherein a user maintains site and access to an interior of the machine.
  • the shell plating can fully enclose the interior of the machine, such as around the perimeter of the machine.
  • the shell plating can also be transparent or opaque or varying levels of opacity to provide for visual access to the interior of the machine.
  • the guide rail 16 is shown to be extended along a length of the frame 14, and may be referred to as a linear rail, track, or guide.
  • the robotic arm 18 includes a corresponding connection to allow the arm to move along the length of the guide rail 16.
  • the robotic arm 18 may include translational motion units that are used to move the arm in either linear direction 20, 22 along the rail 16.
  • the direction may be along a generally horizontal plane that is in the direction of the arrows 20, 22, or at an angle along the horizontal plane to the arrows. This may be transverse to the arrows or an angle more or less than 90-degrees.
  • the movement of the robotic arm 18 along the rail 16 can be used as part of an automated process to clean corrosion coupons 46 via the system 10.
  • the robotic arm 18 can be connected, either wired or wirelessly, to a controller or processor 52 in a control box 50.
  • the control box 50 is shown to be positioned generally at or on the frame 14 of the system in the figures, but this need not be required in all embodiments.
  • the control box 50 with processor 52 and any other components could be remote from the system 10 and connected thereto via wired or wireless manner to provide controls and other instructions and data transmission therewith.
  • the robotic arm 18 includes a connection to the guide rail 16.
  • the arm 18 may include an end effector or other component generally positioned at a location distal from the guide rail 16.
  • Such an end unit is used to removably connect to one or more coupons 46, such as via a coupon hanger 60.
  • a coupon hanger is shown and described herein.
  • the coupon hanger 60 can hold one or more coupons 46 for cleaning via the system.
  • the robotic arm 18 can be extended in a direction transverse the linear guide rail 16, which may be a vertical direction, such as shown by the arrow 24.
  • the extension of the arm 18 may be from a base portion that is at the rail.
  • the extension of the arm can be used to connect and release coupons.
  • the extension and retraction of the robotic arm 18 can be used to selectively position the coupons in one or more of the liquid solutions, such as according to a programmed cleaning procedure, to clean the coupons prior to data analysis for the coupons.
  • a coupon rack 26 which is a storage and drying rack for the coupons being cleaned via the system 10.
  • the rack 26 includes slots or location bars to hold coupons 46, such as via the coupon hanger 44.
  • the coupons can be placed at the rack prior to going through the cleaning process.
  • the drying rack may include a fan 42 or the like.
  • the fan 42 can speed up the drying process by passing air or other gases over the coupons on the rack 46.
  • the fan may be an electric fan.
  • the system 10 includes a plurality of liquid solutions for cleaning the coupons 46.
  • the liquid solutions can include, but are not limited to, acid solutions, alkali solutions, water, water solutions (water plus cleaning agents) , and/or ethanol solutions. It should be appreciated that not all of the solution types are required, and addition solutions may also be used or replaced for the system.
  • the system 10 includes a sulfuric acid bin 28 for holding sulfuric acid, a hydrochloric acid bin 30 for holding hydrochloric acid, an alkali bin 32 for holding an alkali solution, a water bin 34 for holding water or a water solution, and an ethanol bin 36 for holding ethanol.
  • coupons 46 can comprise various types (e.g., including, but not limited to, carbon, steel, stainless steel, copper, aluminum, or the like) , and therefore, the solutions for cleaning the different compositions may be different or be best for other solutions.
  • the bins can take various sizes, such as depending on the amount of liquids stored therein, as well as the size and number of coupons to be cleaned.
  • any or all of the solutions bins may also include ultrasonic components, such as to agitate the solutions with the coupon (s) submerged therein, so as to speed up the cleaning process.
  • ultrasonic components may include a transducer 40 and/or other agitation mechanisms.
  • the principle of the ultrasonic cleaning machine is to convert the sound energy of the ultrasonic frequency source into mechanical vibration through the transducer.
  • the vibration generated by the ultrasonic wave is transmitted to the cleaning liquid through the cleaning tank wall, so that the micro-bubbles in the liquid in the tank can keep vibrating under the action of the sound wave, destroying, and separating the dirty adsorption on the surface of the object.
  • the process can be very rapid, completely cleaning a soiled item in minutes. In other instances, cleaning can be slower, and exceed 30 minutes.
  • sensors and switches may be included as part of the machine/system to further protect the system.
  • the switches can be used to monitor the coupon position when the equipment is running.
  • a control box 50 can be included.
  • the control box 50 in Figs. 1-4 is shown to be mounted to a portion of the frame 14 of the machine 12. However, it should also be envisioned that the control box 50 be positioned under a hood or other portion of the machine, such as at or near the guide rail and/or arm.
  • Fig. 5 shows additional aspects and/or embodiments of a cleaning system in which there is a hood for holding the hardware (arm, guide, etc.
  • control box 50 not be located at the machine and is otherwise remotely located.
  • the control box 50 and components can be electronically connected in a wired or wireless manner to provide instructions, power, and otherwise control to any of the components of the system 10.
  • the method of automatic cleaning for the corrosion coupons has several advantages over the manual method, such as the FTE saving, efficiency, convenience, ease of use, and safety.
  • a coupon holder 80 is needed to hold the coupon 46 well during the cleaning process. The holder 80 can ensure that multiple coupons 46 will not hit each other and ensure that the solution will come out easily so that the coupon can be cleaned very well and without damage.
  • corrosion coupons 46 are generally rectangular shaped members. This is shown in Fig. 6.
  • the holder 80 as depicted in the figures is well developed to house the coupon 46 during the cleaning process, such as via the automated cleaning process as described herein.
  • the holder is developed to fix the coupon for the automatic cleaning device.
  • the holder 80 includes a hanger portion 82, which is shown to be a t-shaped portion at an upper end of the holder 80.
  • the t-shape 82 of the hanger portion will allow easy connection with a coupon hanger 60, which allows multiple coupon holders 80 to be grouped together to clean multiple coupons 46 at the same time.
  • the t-shape is not the only shape for the hanger portion 82, and the exact shape is not to be limiting on the invention.
  • the shape of the holder top is designed to be easily hanged and take down from the system, such as the hanger 60.
  • This holder is elected specially so that it can be emerged into acid, alkaline, alcohol solution in cleaning process.
  • the mechanical structure can make sure the coupon can be cleaned thoroughly.
  • a neck 84 Extending from the hanger portion 82 is a neck 84, which is narrower than the hanger portion 82.
  • the neck 84 provides length for the holder 80.
  • the neck 84 expands at the body 86 of the holder 80, providing a wider body.
  • the body 86 is substantially open from a front to a rear.
  • the body 86 generally comprises an outline.
  • the opening 88 allows the coupon 46 held by the holder 80 to be more fully exposed to the cleaning chemicals, other liquids, and air during the cleaning process, thus maximizing the efficiency of the system. While the size of the opening 88 is not to be limiting, in some aspects of some embodiments, the opening is approximately as wide as the coupon 46 being held and longer than said coupon 46.
  • the cage 90 provides boundaries for the coupon such that it will not fall out of the holder 80.
  • the cage 90 is substantially open and comprises four vertical members 98, which may be in the form of rods. Two of the vertical rods are shown to be connected to the holder body 86, such as via welding or other connection.
  • the cage 90 further includes an opening or entrance 92. A coupon 46 is loaded into the cage 90 via the opening 92.
  • the cage 90 is also closed at a bottom portion 94, so as to hold the coupon 46.
  • the opening 92 of the cage includes a taper 96. The taper is generally outward moving downward from a top of the opening 92. The taper mitigates accumulation of solution at the entrance 92.
  • ribs 100 are also shown as part of the cage 90.
  • the ribs 100 extend crosswise or transversely to the vertical members 98.
  • the ribs 100 provide additional structural integrity for the cage 90 and also aid in holding the coupon 46 within the cage 90. While the figures show the use of three ribs 100, it should be appreciated that this is not to be limiting, and the exact number and placement of the ribs 100 may vary. For example, while the ribs 100 are shown to extend generally perpendicular to the vertical members 98, it should be appreciated that, in some aspects of some embodiments, the ribs 100 may cross at angles greater or less than 90-degrees.
  • the number of ribs is also calculated and designed in order to fix and hold the coupon, such as more or fewer ribs when the size of the coupon changes or is different than that shown herein.
  • the ribs 100 may also be tapered similarly to the entrance 92, such as to mitigate the accumulation of a liquid thereon.
  • the coupon holder 80 as shown and described provides advantages for the cleaning of coupons 46, such as via the automated process and system included herein.
  • the coupon holder 80 provides a structurally secure device to hold a coupon 46 during the cleaning.
  • the configuration of the holder 80 is such that the coupon will be fully exposed to the cleaning liquids and drying of the system, while controlling the coupon.
  • the coupon is held very well so that it can be cleaned up and will not be damaged in the process of cleaning.
  • the holder 80 will prevent adjacent coupons from hitting one another, which preserves the structure and increases the life of a coupon.
  • a hanger 60 may be used with the cleaning system 10.
  • the hanger 60 is shown throughout the figures as being used to hang multiple coupons in the drying rack 26 or in one of the liquid bins.
  • the hanger 60 is moved via the robotic arm 18 and guide rail 16 to position the grouping of coupons in the hanger at one of the positions of the cleaning process.
  • the hanger 60 as best shown in Fig. 5, comprises an elongated body 62 having an upper portion 64 and a lower portion 66.
  • the length of the body 62 is such that it will be able to hold multiple coupons 46 via a holder 80, and also so match or substantially match the width of the components of the cleaning system.
  • the hanger 60 may include notches 68 at opposite ends of the body, with the notches configured to connect to the various racks and bins of the cleaning system 10.
  • the notches 68 are shown to be generally downward oriented concave members and c-shaped. This shape allows the notches to be positioned at edges of the racks or bins with the racks or bins positioned within the notches.
  • the hanger 60 may comprise a rigid material, such as steel or the like, which provides structural rigidity during this time, as the hanger 60 will be supporting itself on the racks or bins.
  • a rigid material such as steel or the like, which provides structural rigidity during this time, as the hanger 60 will be supporting itself on the racks or bins.
  • generally any configuration to allow the hanger 60 to be connected to or positioned on a bin or rack should be considered to be a part of the present disclosure.
  • Additional features of the hanger 60 include a plurality of slots 70 extending downward from the top 64 of the body 62.
  • the slots 70 do not extend all the way through the bottom 66 of the body 62, though.
  • the slots 70 have an opening 72 and a bottom 74.
  • the shape of the slots 70, including the opening, are configured to allow a portion of the holder 80 to be housed during connection between a hanger 60 and a coupon holder 80.
  • the slot 70 is configured to receive the t-shape.
  • the neck 84 of the holder 80 is narrower than the t-shaped portion, the neck and body of the holder (including the cage and coupon itself) will be below the hanger body 62. This allows the holder 80 to hang from the hanger 60.
  • the hanging of the holder and coupon will allow the coupon to be submerged into the solutions and also to be dried via the rack 26.
  • a number of coupons 46 in holders 80 are hanging from a hanger 60.
  • the exact number and placement of the holders 80 is not to be limiting, and the hanger 60 could be configured to hold as many or as few as desired.
  • there are slots 70 on both sides of the hanger to maximize the number of coupons that can be cleaned at a time.
  • the use of the holder with cage will prevent the coupons from contacting one another during the cleaning process, which limits contamination of the coupons.
  • the hanger 60 includes a connection 76.
  • the connection 76 is an extruded portion that extends upwardly away from the top 64 of the hanger body 62.
  • the connection may take generally any configuration, but is used as a connection to a robotic arm 18 of the cleaning system. The arm 18 is able to connect to the connection 76 to move the hanger 60 and associated coupon 46/holder 80 combinations through the cleaning and drying process.
  • the use of the hanger 60 provides the advantage for the system to be able to clean more coupons at the same time, which further increases the efficiency of the cleaning process with the automated system.
  • Robot arm takes the coupon hanger assembly from the rack.
  • ⁇ Robot moves right and will stop above acid case. If the coupon material is iron or stainless steel, it will be stop above hydrochloric acid case. If the coupon material is copper or brass, it will be stop above sulfuric acid case.
  • Ultrasonic will start to clean coupon to remove the surface corrosion. Duration is about 30s ⁇ 5min and it can be set up.
  • ⁇ Robot will take the coupon to the alkali case and put the coupon into the sodium bicarbonate solution about 1-minute to neutralize the acid on the surface of coupon while ultrasonic is working. The duration also can be set up.
  • ⁇ Robot will take the coupon to the water case and put the coupon into the water about 1- minute to remove residues on the surface of coupon. The duration is also can be set up.
  • ⁇ Robot will take the coupon to the water case and put the coupon into the ethanol about 1-minute to remove water on the surface of coupon. The duration is also can be set up.
  • Robot will take the coupon hanger back to the rack after the cleaning process finished and the electrical fan will work to dry it. Robot will take another coupon hanger to go through the cleaning process until all coupon hangers are taken.
  • Waste solution will be discharged automatically.
  • Such improvements include, but are not limited to, coupon analysis efficiency, data accuracy improvement, improved safety, commercialized cleaning, and improved efficiency of inhibitor coupon cleaning.

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Clamps And Clips (AREA)

Abstract

La présente demande divulgue un support pour pièces de corrosion, comprenant : un corps (80) ayant un dispositif de suspension en forme de t (82) au niveau d'une partie supérieure, ledit corps étant ouvert d'une partie avant à une partie arrière à l'opposé du dispositif de suspension en forme de t ; et une cage (90) destinée à maintenir une pièce de corrosion au niveau du corps ouvert, ladite cage comprenant une partie supérieure ouverte destinée à recevoir une pièce de corrosion, une partie inférieure fermée, et sensiblement ouverte à partir de sections arrière ; lesdites sections avant et arrière sensiblement ouvertes de la cage comprenant une ou plusieurs nervures (100) croisant ladite partie avant et arrière sensiblement ouvertes pour aider à maintenir la pièce de corrosion en place.
PCT/CN2022/112387 2022-08-15 2022-08-15 Support de coupon WO2024036426A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/112387 WO2024036426A1 (fr) 2022-08-15 2022-08-15 Support de coupon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/112387 WO2024036426A1 (fr) 2022-08-15 2022-08-15 Support de coupon

Publications (1)

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WO2024036426A1 true WO2024036426A1 (fr) 2024-02-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009010557A1 (fr) * 2007-07-18 2009-01-22 Commissariat A L'energie Atomique Dispositif de support d'echantillons metalliques
US20100089129A1 (en) * 2008-10-10 2010-04-15 Gm Global Technology Operations, Inc. Apparatus and Method for a Seal Immersion Test with Aerated Fluid
CN205580961U (zh) * 2016-04-01 2016-09-14 中航飞机起落架有限责任公司 一种电解腐蚀低倍试片磁力吸附承载装置
WO2021024015A1 (fr) * 2019-08-02 2021-02-11 Abu Dhabi Oil Refining Company - Takreer Appareil et procédé de simulation de la corrosion de matériaux dans des conditions de raffinerie
KR20220107694A (ko) * 2021-01-26 2022-08-02 순천대학교 산학협력단 침식부식 및 유동가속 표면열화 모니터링 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009010557A1 (fr) * 2007-07-18 2009-01-22 Commissariat A L'energie Atomique Dispositif de support d'echantillons metalliques
US20100089129A1 (en) * 2008-10-10 2010-04-15 Gm Global Technology Operations, Inc. Apparatus and Method for a Seal Immersion Test with Aerated Fluid
CN205580961U (zh) * 2016-04-01 2016-09-14 中航飞机起落架有限责任公司 一种电解腐蚀低倍试片磁力吸附承载装置
WO2021024015A1 (fr) * 2019-08-02 2021-02-11 Abu Dhabi Oil Refining Company - Takreer Appareil et procédé de simulation de la corrosion de matériaux dans des conditions de raffinerie
KR20220107694A (ko) * 2021-01-26 2022-08-02 순천대학교 산학협력단 침식부식 및 유동가속 표면열화 모니터링 시스템

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