CN113281154A - Steel uniaxial tensile stress corrosion test force transmission clamp and device - Google Patents
Steel uniaxial tensile stress corrosion test force transmission clamp and device Download PDFInfo
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- CN113281154A CN113281154A CN202110588563.7A CN202110588563A CN113281154A CN 113281154 A CN113281154 A CN 113281154A CN 202110588563 A CN202110588563 A CN 202110588563A CN 113281154 A CN113281154 A CN 113281154A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/024—Corrosive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Abstract
The invention discloses a force transmission clamp and a device for a steel uniaxial tensile stress corrosion test. The loading hole is positioned on one support arm of the force transmission clamp main body, the test piece positioning groove and the test piece fixing hole are positioned on the other support arm of the force transmission clamp main body, and the heights of the centers of the loading hole and the test piece fixing hole from the bottom edge are the same; the loading hole is fixedly connected with the loading screw rod, and the test piece fixing hole is fixed with the steel test piece through a pin. The test device comprises a corrosion test groove, a horizontal loading reaction frame, a loading nut, a force sensor, a loading screw rod and a steel test piece which are sequentially connected in series along the longitudinal axis direction of the reaction frame, wherein a force transmission clamp is arranged between at least one end of the steel test piece and the loading screw rod. The invention has simple principle, ensures that the steel test piece keeps the axle center in a tension state, is convenient to process, can avoid the leakage problem of a corrosion medium in the steel stress corrosion test process, and reduces the failure risk of the stress loading device.
Description
Technical Field
The invention relates to the field of metal corrosion protection, in particular to a force transmission clamp and a force transmission device for a steel uniaxial tensile stress corrosion test.
Background
Stress corrosion of steel refers to the behavior of steel to corrode under the combined action of stress (especially tensile stress) and a specific corrosion medium, and ultimately to cause brittle fracture of the steel. The stress corrosion cracking of steel is different from ordinary tensile failure and pure steel corrosion: when the steel contacts sensitive corrosive media, the steel can be broken under the condition of lower stress; in the sensitive corrosive medium with lower concentration, the corrosion rate of the steel is obviously improved due to the stress action. Stress corrosion cracking is a brittle fracture which occurs without any warning sign and which rapidly propagates once the microcracks propagate to critical cracks, resulting in sudden fractures, seriously threatening the safety of the structure.
The stress loading method is one of the difficulties in performing uniaxial tensile stress corrosion tests on steel. In the past, a mode that after the side wall of a corrosion test groove is provided with a hole, a dowel bar penetrates through the side wall of the test groove and is subjected to leak-proof treatment is commonly adopted, on one hand, the leak-proof treatment is easy to damage and cause solution leakage, and on the other hand, the load is difficult to carry out secondary adjustment in the test process. The force transmission clamp and the force transmission device for the steel uniaxial tensile stress corrosion test can effectively solve the problem of stress loading in the steel stress corrosion test.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a force transmission clamp and a force transmission device for a steel uniaxial tensile stress corrosion test, which can apply tensile stress to a steel test piece immersed in a corrosion medium and simultaneously separate the corrosion medium from an external stress loading device so as to perform the steel uniaxial tensile stress corrosion test.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention provides a force transmission clamp for a steel uniaxial tensile stress corrosion test, which is characterized by comprising an n-shaped force transmission clamp main body, and a loading hole, a test piece positioning groove and a test piece fixing hole which are formed in the force transmission clamp main body; the direction of a central connecting line of two support arms of the force transferring clamp main body is taken as the length direction of the force transferring clamp main body, the opening direction of the force transferring clamp main body is taken as the height direction of the force transferring clamp main body, and the direction vertical to a plane formed by the length direction and the height direction of the force transferring clamp main body is taken as the thickness direction of the force transferring clamp main body; the loading hole is positioned on one support arm of the force transmission clamp main body and penetrates through the support arm in the length direction of the force transmission clamp main body; the test piece positioning groove and the test piece fixing hole are positioned on the other support arm of the force transmission clamp main body, the test piece fixing hole penetrates through the other support arm in the thickness direction of the force transmission clamp main body, the test piece positioning groove is arranged along the height direction of the force transmission clamp main body, the test piece positioning groove penetrates through the other support arm in the length direction of the force transmission clamp main body, and the top end of the test piece positioning groove is higher than the loading hole and the test piece fixing hole in the height direction of the force transmission clamp main body; the test piece fixing hole is used for penetrating through a pin, and the end part of the steel test piece is sleeved on the pin and is positioned by the test piece positioning groove.
The invention provides a steel uniaxial tensile stress corrosion test device in a second aspect, which comprises a corrosion test groove for containing a corrosion solution, a horizontal loading reaction frame arranged at the periphery of the corrosion test groove, and a loading nut, a force sensor, a loading screw rod and a steel test piece which are sequentially connected in series along the longitudinal axis direction of the horizontal loading reaction frame; the loading screw rod penetrates through one side wall of the horizontal loading reaction frame, and the loading nut and the force sensor are sleeved on the loading screw rod; the device is characterized in that the force transmission clamp is arranged between at least one end of the steel test piece and the loading screw, and a space between two arms of the force transmission clamp is used for being erected above the side wall of the corrosion test groove; and loading the axial tensile stress on the steel test piece by screwing and fixing the loading nut on one side of the force sensor, wherein the loading load is read by the force sensor.
According to the first aspect of the invention, the force transmission clamp for the steel uniaxial tensile stress corrosion test has the following advantages and beneficial effects: first, the force transmission clamp has the advantages of simple principle, definite stress and convenience in processing. Secondly, the n-shaped design is adopted, the side wall of the corrosion test groove can be spanned without being damaged, and the problem of leakage of a corrosion medium is avoided. . And thirdly, the force transmission clamp is made of a material with high rigidity and good corrosion resistance, so that the corrosion risk of the force transmission clamp and the influence on the corrosion of a steel test piece are reduced. Fourthly, the circle center heights of the loading hole and the test piece fixing hole are the same, so that no bending moment is generated in the loading process, and the steel test piece keeps the axle center in a tension state. Fifthly, after the steel test piece is installed in place on the force transmission clamp, the length direction of the cross section of the steel test piece is in a state perpendicular to the horizontal plane, when illumination heating needs to be applied to the steel test piece in the test process, all vertical surfaces of the steel test piece can be uniformly heated, and in addition, when the steel test piece needs to be pulled out from a corrosive solution for drying, the drying rate of all vertical surfaces of the steel test piece can be kept equal, so that uncontrollable factors for tests are reduced.
According to the uniaxial tensile stress corrosion test device for the steel provided by the second aspect of the invention, the advantages and beneficial effects are as follows: firstly, the testing device is simple in principle and clear in stress, a steel test piece and a horizontal loading reaction frame are only under the action of axial tension and pressure in the testing process, and a force transmission path is clear. Secondly, the device is small in size, a plurality of rectangular frame structures can be additionally arranged, a plurality of test groups can be tested at the same time, and the test time is saved; and thirdly, the existence of the force transmission clamp enables the stress loading process of the test device to be irrelevant to the corrosion test groove, and the corrosion solution can not influence the stress loading device in the corrosion test process. Fourthly, the test device can be used for a stress corrosion test under the constant load or variable load action of steel, a stress corrosion test under the long-term infiltration or periodic infiltration action of steel, and is suitable for various different scenes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above, additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the drawings, in which:
FIG. 1 is a schematic three-dimensional structure diagram of a force-transmitting clamp for uniaxial tensile stress corrosion test of steel according to the present invention.
Fig. 2 (a) - (c) are front and side views of a force-transmitting clamp for uniaxial tensile stress corrosion test of steel according to the present invention.
FIG. 3 is a front view of the uniaxial tensile stress corrosion test apparatus for steel according to the present invention.
FIG. 4 is a structural plan view of a uniaxial tensile stress corrosion test apparatus for steel according to the present invention.
FIG. 5 is a concrete embodiment of the force-transmitting clamp and the device for uniaxial tensile stress corrosion test of steel according to the present invention.
Reference numerals:
01-a force-transmitting clamp; 2-steel test piece; 3-horizontal loading reaction frame; 4-loading screw; 5-a force sensor; 6, loading a nut; 7-corrosion test tank; 8, etching solution;
wherein, 1-pass the clamp body of the force; 1-loading well; 1-2-test piece positioning groove; 1-3-test piece fixing holes; 1-4-pins; 1-5-pin nut.
Detailed Description
The present invention is described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The force transmission clamp for uniaxial tensile stress corrosion test of steel according to the first aspect of the invention is described below with reference to fig. 1 and 2.
As shown in figures 1 and 2, the invention provides a force transmission clamp 01 for a steel uniaxial tensile stress corrosion test, which comprises a force transmission clamp main body 1, and a loading hole 1-1, a test piece positioning groove 1-2 and a test piece fixing hole 1-3 which are formed in the force transmission clamp main body 1. The force transferring clamp body 1 is made of a material (such as stainless steel) with high rigidity and good corrosion resistance and is n-shaped as a whole, the direction of the central connecting line of the two support arms of the force transferring clamp body 1 is taken as the length direction of the force transferring clamp body 1, the direction of the opening of the force transferring clamp body 1 is taken as the height direction of the force transferring clamp body 1, and the direction perpendicular to the plane formed by the length direction and the height direction of the force transferring clamp body 1 is taken as the thickness direction of the force transferring clamp body 1. The loading hole 1-1 is positioned on a support arm of the force transmission clamp main body 1 and penetrates through the support arm in the length direction of the force transmission clamp main body 1; the test piece positioning groove 1-2 and the test piece fixing hole 1-3 are positioned on the other support arm of the force transmission clamp 1, the test piece fixing hole 1-3 penetrates through the other support arm in the thickness direction of the force transmission clamp main body 1, the test piece positioning groove 1-2 is arranged along the height direction of the force transmission clamp main body 1 and penetrates through the other support arm in the length direction of the force transmission clamp main body 1, and the top end of the test piece positioning groove 1-2 is higher than the loading hole 1-1 and the test piece fixing hole 1-3 in the height direction of the force transmission clamp main body 1. The test piece fixing hole 1-3 is used for penetrating through the pin 1-4, and the end part of the steel test piece 2 is sleeved on the pin 1-4 and is positioned by the test piece positioning groove 1-2. The joint of the two arms of the force transmission clamp 1 is provided with a chamfer.
The height between the circle center of the loading hole 1-1 and the circle center of the test piece fixing hole 1-3 and the bottom edge of the force transmission clamp main body 1 is the same, namely the circle center of the loading hole 1-1 and the circle center of the test piece fixing hole 1-3 are in the same horizontal line. The inner wall of the loading hole 1-1 is carved with threads to realize the connection and fixation with an external loading screw rod 4. The steel test piece 2 is placed in the test piece positioning groove 1-2, the pin 1-4 penetrates through the test piece fixing hole 1-3 and the opening on the steel test piece 2, the steel test piece 2 is fixed with the force transmission clamp 1, and rubber gaskets are arranged among the steel test piece 2, the force transmission clamp 1 and the pin 1-4. The space between the two support arms of the force transmission clamp main body 1 is used for being erected above the side wall of the corrosion test groove 7, so that holes are prevented from being formed in the side wall of the corrosion test groove 7 when a load is applied to the steel test piece 2. When a tensile force is applied to the steel test piece 2 through the loading screw rod 4, the tensile force applied by the loading screw rod 4 is firstly transmitted to the force transmission clamp main body 1 through the loading hole 1-1 and then transmitted to the steel test piece 2 sleeved on the pin 1-4 through the pin 1-4 penetrating through the thickness direction of the force transmission clamp main body 1, so that the force transmission is realized.
The force transmission clamp for the steel uniaxial tensile stress corrosion test provided by the invention has the following advantages and beneficial effects: first, the force transmission clamp has the advantages of simple principle, definite stress and convenience in processing. Secondly, the n-shaped design is adopted, the side wall of the corrosion test groove can be spanned without being damaged, and the problem of leakage of a corrosion medium is avoided. And thirdly, the force transmission clamp is made of a material (such as stainless steel) with high rigidity and good corrosion resistance, so that the corrosion risk of the force transmission clamp and the influence on the corrosion of a steel test piece are reduced. Fourthly, the circle center heights of the loading hole and the test piece fixing hole are the same, so that no bending moment is generated in the loading process, and the steel test piece keeps the axle center in a tension state. Fifthly, after the steel test piece is installed in place on the force transmission clamp, the length direction of the cross section of the steel test piece is in a state perpendicular to the horizontal plane, when illumination heating needs to be applied to the steel test piece in the test process, all vertical surfaces of the steel test piece can be uniformly heated, and in addition, when the steel test piece needs to be pulled out from a corrosive solution for drying, the drying rate of all vertical surfaces of the steel test piece can be kept equal, so that uncontrollable factors for tests are reduced.
The force-transmitting clamp for the steel stress corrosion test provided by the first aspect of the invention is described as follows by a specific example:
in one embodiment of the invention, the force transmission clamp body 1 and the pins 1-4 are made of 304 stainless steel, and the force transmission clamp body 1 has the length of 100mm, the height of 105mm and the thickness of 35 mm. The distance between the two support arms of the force transmission clamp body 1 is 30mm, the height of the two support arms is 70mm, and the chamfer angle size is 5 multiplied by 5 mm. The height between the centers of the loading hole 1-1 and the test piece fixing hole 1-3 and the bottom edge is 23.5mm, the diameter of the loading hole 1-1 is 16mm, the diameter of the test piece fixing hole 1-3 is 10mm, and the diameters of the loading hole 1-1 and the test piece fixing hole can be respectively equal to
With a loading screw 4 and a diameter of
The pins 1-4 are connected and fixed. The width of the test piece positioning groove 1-2 is 5 mm. The embodiment has realized stress corrosion test research on steel test pieces, applies a load of up to 1 ton at most without generating significant deformation, and maintains the steel test pieces in an axial tension state.
The results of the embodiment show that the invention has smart design and simple and convenient operation, and is suitable for the research of the steel stress corrosion test.
The following describes a uniaxial tensile stress corrosion test apparatus for steel according to a second aspect of the present invention with reference to fig. 3 and 4.
As shown in fig. 3 and 4, the testing device comprises a force transmission clamp 01, a steel material test piece 2, a horizontal loading reaction frame 3, a loading screw rod 4, a force sensor 5, a loading nut 6 and a corrosion test groove 7, wherein the corrosion test groove 7 is filled with a corrosion solution 8.
Specifically, the testing device comprises a loading screw rod 4, a loading nut 6, a force sensor 5, a force transmission clamp 01, a steel material test piece 2, a force transmission clamp 01, a loading nut 6 and a loading screw rod 4 which are sequentially connected in series along the longitudinal axis direction of the horizontal loading reaction frame 3, the horizontal loading reaction frame 3 is clamped between the force sensor 5 and the loading nut 6 positioned on the other side of the force sensor, and the loading screw rod 4 penetrates through the horizontal loading reaction frame 3. The steel material test piece 2 can be a thin plate-shaped or rod-shaped test piece, and round holes are respectively formed at the positions of two end heads of the steel material test piece 2. The force transmission path of the device is as follows: when the loading nut 6 on one side of the force sensor 5 is screwed, the force sensor 5 on the side and the loading nut 6 on the other side apply pressure to the horizontal loading reaction frame 3, and when the rigidity of the horizontal loading reaction frame 3 is large enough, the pressure applied to the force sensor 5 by the loading nut 6 is transmitted to the steel material test piece 2 in equal and opposite directions, so that the steel material test piece 2 bears the tensile force. Load on steel test piece 2 is applyed in this loading in-process through force sensor 5 control constantly, and when loading to design load, the fastening is equipped with the loading nut 6 of 5 one sides of force sensor, realizes applying uniaxial tension load to steel test piece 2. In the load holding process, the variable load can be applied to the steel test piece 2 by adjusting the loading nut 6 on the side provided with the force sensor 5. The corrosion test tank 7 is arranged inside the rectangular frame structure of the horizontal loading reaction frame 3, and the height of the corrosion test tank needs to be enough to completely immerse the steel test piece 2 after the loading when the corrosion solution 8 is filled in the corrosion test tank.
In addition, the force transmission clamp 01 can be arranged at one end of the steel material test piece 2, and the other end of the steel material test piece 2 is loaded with tensile stress in the existing mode.
The invention provides a steel uniaxial tensile stress corrosion test device in a second aspect, which has the following advantages: firstly, the principle of the test device is simple, the stress is clear, the steel material test piece 2 and the horizontal loading reaction frame 3 are only under the action of the axial tension and the pressure in the test process, and the force transmission path is clear. Secondly, the device is small in size, a plurality of rectangular frame structures can be additionally arranged, a plurality of test groups can be tested at the same time, and the test time is saved; thirdly, the existence of the force transmission clamp 01 enables the stress loading process of the test device to be irrelevant to the corrosion test groove, and in the corrosion test process, the corrosion solution can not influence the stress loading device. Fourthly, the test device can be used for a stress corrosion test under the constant load or variable load action of steel, a stress corrosion test under the long-term infiltration or periodic infiltration action of steel, and is suitable for various different scenes.
The following describes a uniaxial tensile stress corrosion test device for steel according to the present invention with a specific example, which is as follows:
one embodiment of the present invention is to perform a constant load stress corrosion test study of Q345 steel. The steel material test piece 2 adopts Q345 steel material, the length of each small test piece is 160mm, the length of the calibration segment is 24mm, the width of the calibration segment is 6mm, and the thickness of the test piece is 3 mm. A steel test piece 2 is processed in a mode that 3 small test pieces are connected in series, the total length of the steel test piece 2 is 480mm, and the hole diameters of holes formed in two ends are 10 mm. Force-transmitting clamp 01 was made of 304 stainless steel. The horizontal loading reaction frame 3 is made by welding Q345 square steel tubes of 80mm multiplied by 60 mm. The corrosion test tank 7 is made of an acrylic plate, and the corrosion solution 8 is a sodium chloride solution with the concentration of 3.5%.
The results of the embodiment show that the invention has smart design and simple and convenient operation, and is suitable for the research of uniaxial tensile stress corrosion tests of steel.
Claims (6)
1. A force transmission clamp for a steel uniaxial tensile stress corrosion test is characterized by comprising an n-shaped force transmission clamp main body, and a loading hole, a test piece positioning groove and a test piece fixing hole which are formed in the force transmission clamp main body; the direction of a central connecting line of two support arms of the force transferring clamp main body is taken as the length direction of the force transferring clamp main body, the opening direction of the force transferring clamp main body is taken as the height direction of the force transferring clamp main body, and the direction vertical to a plane formed by the length direction and the height direction of the force transferring clamp main body is taken as the thickness direction of the force transferring clamp main body; the loading hole is positioned on one support arm of the force transmission clamp main body and penetrates through the support arm in the length direction of the force transmission clamp main body; the test piece positioning groove and the test piece fixing hole are positioned on the other support arm of the force transmission clamp main body, the test piece fixing hole penetrates through the other support arm in the thickness direction of the force transmission clamp main body, the test piece positioning groove is arranged along the height direction of the force transmission clamp main body, the test piece positioning groove penetrates through the other support arm in the length direction of the force transmission clamp main body, and the top end of the test piece positioning groove is higher than the loading hole and the test piece fixing hole in the height direction of the force transmission clamp main body; the test piece fixing hole is used for penetrating through a pin, and the end part of the steel test piece is sleeved on the pin and is positioned by the test piece positioning groove.
2. The steel uniaxial tensile stress corrosion test force transmission clamp of claim 1, wherein the circle center of the loading hole and the circle center of the test piece fixing hole are the same in height from the bottom edge of the force transmission clamp main body.
3. The steel uniaxial tensile stress corrosion test force transmission clamp according to claim 1, wherein the inner wall of the loading hole is provided with threads to realize connection and fixation with an external loading screw rod.
4. The steel uniaxial tensile stress corrosion test force transmission clamp of claim 1, wherein rubber gaskets are arranged among the steel test piece, the force transmission clamp body and the pin.
5. The steel uniaxial tensile stress corrosion test force transmission clamp of claim 1, wherein a chamfer is arranged at the joint of the two support arms of the force transmission clamp body.
6. A steel uniaxial tensile stress corrosion test device comprises a corrosion test groove containing a corrosion solution, a horizontal loading reaction frame arranged at the periphery of the corrosion test groove, and a loading nut, a force sensor, a loading screw rod and a steel test piece which are sequentially connected in series along the longitudinal axis direction of the horizontal loading reaction frame; the loading screw rod penetrates through the side wall of the horizontal loading reaction frame, and the loading nut and the force sensor are sleeved on the loading screw rod; the method is characterized in that the force transmission clamp according to any one of claims 1-5 is arranged between at least one end of the steel test piece and the loading screw, and a space between two arms of the force transmission clamp is used for being erected above the side wall of the corrosion test groove; and loading the axial tensile stress on the steel test piece by screwing and fixing the loading nut on one side of the force sensor, wherein the loading load is read by the force sensor.
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| CN202110588563.7A CN113281154A (en) | 2021-05-28 | 2021-05-28 | Steel uniaxial tensile stress corrosion test force transmission clamp and device |
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| CN202110588563.7A CN113281154A (en) | 2021-05-28 | 2021-05-28 | Steel uniaxial tensile stress corrosion test force transmission clamp and device |
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| CN113281154A true CN113281154A (en) | 2021-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907989A (en) * | 2023-07-07 | 2023-10-20 | 实链检测(浙江)有限公司 | Ship-shaped horizontal tensile test device and method |
| CN117804890A (en) * | 2024-02-29 | 2024-04-02 | 上海核工程研究设计院股份有限公司 | Pipe fitting stress corrosion test device and method |
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2021
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| JP2012026782A (en) * | 2010-07-21 | 2012-02-09 | Ihi Corp | Jig for stress corrosion cracking test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116907989A (en) * | 2023-07-07 | 2023-10-20 | 实链检测(浙江)有限公司 | Ship-shaped horizontal tensile test device and method |
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| CN117804890A (en) * | 2024-02-29 | 2024-04-02 | 上海核工程研究设计院股份有限公司 | Pipe fitting stress corrosion test device and method |
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Application publication date: 20210820 |
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