WO2013044455A1 - 高温结构变形放大测量引伸计 - Google Patents
高温结构变形放大测量引伸计 Download PDFInfo
- Publication number
- WO2013044455A1 WO2013044455A1 PCT/CN2011/080256 CN2011080256W WO2013044455A1 WO 2013044455 A1 WO2013044455 A1 WO 2013044455A1 CN 2011080256 W CN2011080256 W CN 2011080256W WO 2013044455 A1 WO2013044455 A1 WO 2013044455A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- deformation
- mounting
- amplifying mechanism
- sensor
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
-
- 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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
-
- 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
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
Definitions
- the invention relates to the field of measurement technology, and more particularly to the technical field of structural and material deformation measurement, in particular to an extensometer for measuring deformation deformation of a high temperature structure, which can perform real-time local deformation of materials and structures at high temperatures. Online measurement.
- Two mounting holes are respectively formed at two ends of the amplifying mechanism, so that the deformation amplifying mechanism is mounted on the connecting member, the arch of the arch bridge structure is downward, and the midpoint of the deformation amplifying mechanism is an output end, and the sensor bracket is mounted
- the sensor is perpendicular to the deformation amplifying mechanism, and the sensor is connected to the test terminal.
- the two connecting members are mounted on the same straight line, and the straight line is parallel with the straight line of the top ends of the two extending rods to ensure that the deformation of the test piece is equally transmitted to the deformation amplifying mechanism on the connecting member.
- the angle between the connecting member and the mounting block can be adjusted within a range of more than 0 degrees and less than or equal to 90 degrees to meet the mounting of the test piece on different surface shapes such as a plane or a curved surface.
- the installation position of the deformation amplifying mechanism in the fixing groove is adjusted to meet the needs of different measuring spans.
- the deformation of the surface of the member to be measured is transmitted by the extension rod, and is mechanically amplified by the deformation amplifying mechanism to be measured by the sensor.
- the flexible hinge used in the deformation amplifying mechanism may be a geometric configuration such as a circular shape, an elliptical shape, a chamfered straight beam type, a parabolic type, and a hyperbolic type.
- the senor may be an LVDT displacement sensor, may be a displacement sensor, may be an eddy current sensor, or may be a laser displacement sensor or the like.
- the fixing block 19 can be used to weld it to the surface of the test piece; when working in a laboratory environment, it can be used very much.
- the light high temperature resistant flexible ceramic fiber rope 21 fixes the extensometer to the sample (measured part).
- the invention is applicable to structures with different surface shapes, can meet the requirements of different spans, and is small in size, light in weight, and capable of Adapt to various working conditions and have a wide range of applications;
- the present invention introduces a deformation amplifying mechanism composed of a flexible hinge, which has the characteristics of no friction, no lubrication, compact structure, no maintenance, and almost no assembly.
- the invention introduces a deformation amplifying mechanism, and mechanically amplifies and measures the deformation, thereby greatly improving the resolution and reliability of the extensometer;
- the extension rod is made of a material with a small thermal conductivity to isolate the sensor from the high temperature environment, which greatly improves the working environment of the sensing component and prolongs the operation. High-temperature structural deformation enlarges and measures the service life of the extensometer, and has high practical application value.
- Figure 1 is a schematic view of the present invention.
- Figure 2 shows the installation of the mounting block and the connector.
- FIG. 1 4 connector, 5a mounting block I, 5b mounting block II, 10 mounting screws, 11 extension rod mounting surface, 12 mounting holes, 13a fixing holes, 13b fixing holes, 14 fixing slots.
- Fig. 3 is a schematic view showing the installation of the sensor holder 3.
- Fig. 4 is a schematic view showing the structure of the deformation amplifying mechanism 6 of the present invention.
- FIG. 4 16 mounting holes, 17 flexible hinges, 18 outputs.
- Fig. 5 is a structural view of the structure of the deformation amplifying mechanism of the present invention.
- Fig. 6 is a schematic view showing the mounting of the fixing block 19.
- FIG. 6 10 mounting screws, 19a fixing block I, 19b fixing block II.
- Figure ⁇ is a schematic view of the present invention which is fixed to the test piece 21 by a ceramic fiber rope.
- Fig. 9 is a schematic view showing the comparison between the measurement results of the present invention and the high temperature strain gauge 23.
- Figure 10 is a schematic view showing the installation of Experiment 2 of the present invention.
- the fixed block 19 is made of high temperature resistant material, and its thermal expansion coefficient is similar to that of the material used for the test piece, so as to avoid the extensometer falling off during long-term work.
- the extensometer can be attached to the specimen using a lightweight, high temperature resistant flexible ceramic fiber rope 22.
- the mounting block 5 is first mounted on the flat end of the extension rod 7, and the connecting member 4 is mounted on the second mounting block 5b as shown in Fig. 2.
- the deformation amplifying mechanism 6 and the sensor holder 3 are mounted on the connecting member 4, the sensor 1 is mounted on the sensor holder 3, and the convex portion of the deformation amplifying mechanism 6 is downward, as shown in Fig. 3.
- the extensometer is fixed to the test piece by the fixing block 19 (Fig. 6) or the ceramic fiber rope 22 (Fig. 7).
- the two mounting ends are respectively provided with two mounting holes 16, and the output end 18 is connected to the two mounting ends by two flexible hinges 17 connecting the two square cylinders. Stepped symmetrical square cylinder. Use points eight and C to indicate the hinges at the ends of the original state, and ⁇ to indicate the output, as shown in Figure 5.
- the flexible hinge 17 in the deformation amplifying mechanism 6 is deformed, the flexible hinge 17 at both ends of the deformation amplifying mechanism 6 is moved to the points A', C, and the output end 18 is moved to the point B'.
- the output displacement ⁇ of the output terminal 18 is higher than the loading ⁇ in the horizontal direction, and the ratio ⁇ /2 ⁇ of the output terminal 18 is the magnification of the deformation amplifying mechanism 6.
- the magnification of the anamorphic enlargement mechanism 6 is a constant and does not change with the deformation of the input amount.
- the output value of the deformation amplifying mechanism 6 is transmitted to the sensor 1.
- the process conditions for simulating the main steam line of a petrochemical plant are tested using the present invention.
- the main parameters of the main steam pipeline to be tested are: The material is 10CrMo910, the pressure is lOMPa, the temperature is 540 °C, the specification is ⁇ 273 X 28mm, and the thickness of the insulation layer is 100mm.
- the length of the extension rod 7 used in the test was 150 mm.
- a pair of fixing blocks 19 (represented as 19a and 19b, respectively) are used, and the fixing block 19 is fixed to the surface of the test piece by spot welding.
- a high-temperature strain gauge 23 (KHCM-10-120-G15-11C2M) is installed in the middle of the two sets of fixed blocks 19 as shown in Fig. 8.
- the measurement data of the strain gauges and the extensometer are The measured data is compared.
- the invention and the strain gauge are respectively connected to the data collection module and the computer, and the initial position is cleared in the data collection system, and the preparation is ready.
- the invention clearly monitors the deformation of the main steam elbow to be tested during pipeline operation. Comparing the data measured by the present invention and the strain gauge 23, it is found that the present invention can measure the deformation of the test piece by a factor of five and measure it without distortion. Comparing the measured data of the present invention by the magnification of 5 and comparing with the measured data of the strain gauge 23, it is found that the present invention has high precision, can reach ⁇ 0.2 ⁇ m, and the resolution reaches 0.2 ⁇ m, as shown in FIG. Thus, it can be proved that the extensometer can meet the requirements of on-line monitoring of the main steam pipeline.
- the invented extensometer In order to verify the accuracy and reliability of the invented extensometer in the laboratory, it was installed on the creep test specimen of the electronic creep tester simultaneously with the INSTRON company's extension device 24, as shown in Figure 10. As shown, the measurement results of the existing extension device 24 are compared with the measurement results of the present invention.
- the extensometer is bundled with the high temperature resistant ceramic fiber rope 22 on the sample to be tested.
- the existing extension device 24 has a circular aperture 25 formed therein, and the conical tip of the extension rod 7 is inserted into the circular aperture 24.
- the test piece 21 is a standard creep round bar sample, the material is ⁇ 92 steel, the experimental temperature is 600 ° C, and the thickness of the insulation layer is 100 mm.
- the creep-test period is 3,600 hours.
- the length of the extension rod 7 used in the present invention at the time of the test was 150 mm.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices By Optical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/817,130 US8955231B2 (en) | 2011-09-28 | 2011-09-28 | Extensometer for measuring high-temperature structural deformations by magnification |
| GB1301177.0A GB2498269B (en) | 2011-09-28 | 2011-09-28 | Extensometer for measuring high-temperature structural deformations by magnification |
| PCT/CN2011/080256 WO2013044455A1 (zh) | 2011-09-28 | 2011-09-28 | 高温结构变形放大测量引伸计 |
| CN201180030296.6A CN103180688B (zh) | 2011-09-28 | 2011-09-28 | 高温结构变形放大测量引伸计 |
| JP2013535256A JP5500612B2 (ja) | 2011-09-28 | 2011-09-28 | 高温構造の変形拡大測定用エクステンソメーター |
| GBGB1223145.2A GB201223145D0 (en) | 2011-09-28 | 2012-12-21 | Early entry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/080256 WO2013044455A1 (zh) | 2011-09-28 | 2011-09-28 | 高温结构变形放大测量引伸计 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013044455A1 true WO2013044455A1 (zh) | 2013-04-04 |
Family
ID=47682384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/080256 Ceased WO2013044455A1 (zh) | 2011-09-28 | 2011-09-28 | 高温结构变形放大测量引伸计 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8955231B2 (zh) |
| JP (1) | JP5500612B2 (zh) |
| CN (1) | CN103180688B (zh) |
| GB (2) | GB2498269B (zh) |
| WO (1) | WO2013044455A1 (zh) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567747A (zh) * | 2015-01-20 | 2015-04-29 | 武汉工程大学 | 一种基于激光测距仪的高温法兰泄漏监测装置 |
| CN104567790A (zh) * | 2015-01-20 | 2015-04-29 | 武汉工程大学 | 一种基于位移引伸计的高温法兰泄漏监测装置 |
| CN104613876A (zh) * | 2015-01-30 | 2015-05-13 | 华东理工大学 | 一种法兰偏转角监测系统 |
| CN104729453A (zh) * | 2015-03-17 | 2015-06-24 | 西安交通大学 | 一种测量高温双向应变的传感器 |
| CN104748665A (zh) * | 2015-03-17 | 2015-07-01 | 西安交通大学 | 一种测量高温环境下材料应变的传感器 |
| CN114279860A (zh) * | 2021-11-25 | 2022-04-05 | 湖北省电力勘测设计院有限公司 | 一种大口径管屈曲实验装置及方法 |
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| CN103180688B (zh) * | 2011-09-28 | 2015-04-29 | 华东理工大学 | 高温结构变形放大测量引伸计 |
| JP6361243B2 (ja) * | 2014-04-07 | 2018-07-25 | 株式会社ジェイテクト | 加工変質検出センサを備える工作機械 |
| CN107044937B (zh) * | 2017-04-13 | 2023-05-26 | 天津大学 | 一种球形轴承联动的拉扭引伸计 |
| CN107121278A (zh) * | 2017-07-10 | 2017-09-01 | 内蒙金属材料研究所 | 一种用于紧固件保证载荷试验的测试装置及测试方法 |
| CN107764649B (zh) * | 2017-11-28 | 2024-01-30 | 郑州大学 | 混凝土试件高温中拉伸变形测试装置及其变形传感器夹具 |
| US11209296B2 (en) * | 2018-09-28 | 2021-12-28 | Rosemount Inc. | Non-intrusive process fluid pressure measurement system |
| US11035656B2 (en) * | 2018-11-29 | 2021-06-15 | Att Technology, Ltd. | Outer dimensioning measurement system for tubulars |
| CA3136783A1 (en) * | 2019-05-09 | 2020-11-12 | Andritz Oy | A method and an arrangement for measuring mass changes of heat exchangers of a steam boiler |
| CN110361149A (zh) * | 2019-06-19 | 2019-10-22 | 航天科工防御技术研究试验中心 | 一种用于高温模态试验的转化装置及振动测试方法 |
| CN110530713B (zh) * | 2019-07-18 | 2022-10-04 | 武汉大学 | 锚固岩体试样以及岩体工程锚固机理试验系统 |
| CN111442971B (zh) * | 2020-05-09 | 2024-07-02 | 华侨大学 | 轴向变形引伸计的定位装置及定位方法 |
| CN112985751B (zh) * | 2021-02-01 | 2022-09-23 | 中国空气动力研究与发展中心超高速空气动力研究所 | 高超声速风洞稳定段总温总压测试排架结构与制作方法 |
| CN115046841B (zh) * | 2021-03-09 | 2025-07-25 | 中国科学院理化技术研究所 | 一种弹性模量测量装置以及测量方法 |
| CN113406691B (zh) * | 2021-06-23 | 2023-04-11 | 中国核动力研究设计院 | 一种试验堆内中子注量与形变测量装置 |
| CN114485338B (zh) * | 2022-01-27 | 2023-04-25 | 淄博市特种设备检验研究院 | 一种承压类特种设备鼓包变形尺寸多功能测量设备 |
| CN114544340A (zh) * | 2022-02-10 | 2022-05-27 | 武汉钢铁有限公司 | 基于腐蚀环境下金属材料应变疲劳测试装置及其方法 |
| CN115575236B (zh) * | 2022-10-20 | 2025-09-30 | 上海交通大学 | 一种插入式弹性结构内腔机械性能测量装置及方法 |
| CN118623830A (zh) * | 2023-03-09 | 2024-09-10 | 霍尼韦尔国际公司 | 用于感测变形的方法和系统 |
| CN118670338A (zh) * | 2024-07-05 | 2024-09-20 | 中国科学院长春光学精密机械与物理研究所 | 复合材料构件变形测量装置及测量系统和测量方法 |
| CN119394786B (zh) * | 2025-01-06 | 2025-06-24 | 江苏威晟新材料科技有限公司 | 一种锻件拉力试验设备 |
| CN119984801B (zh) * | 2025-04-17 | 2025-07-04 | 常州英索兰换热器有限公司 | 板翅式换热器用输送测试设备 |
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| EP0273666A2 (en) * | 1986-12-22 | 1988-07-06 | Atomic Energy of Canada Limited L'Energie Atomique du Canada Limitée | Extensometer |
| US5123175A (en) * | 1991-04-26 | 1992-06-23 | Atomic Energy Of Canada Limited | Horizontal extensometer |
| CN1587970A (zh) * | 2004-09-27 | 2005-03-02 | 天津大学 | 高频响应高温拉-扭疲劳引伸计 |
| US6907677B1 (en) * | 2002-01-18 | 2005-06-21 | The United States Of America As Represented By The Secretary Of The Air Force | Stable LVDT extensometer |
| CN2914080Y (zh) * | 2005-12-13 | 2007-06-20 | 陈景长 | 一种新型高低温箱试验机 |
| CN101476858A (zh) * | 2009-01-21 | 2009-07-08 | 华东理工大学 | 引伸式高温构件变形传感装置 |
| CN101608988A (zh) * | 2009-07-20 | 2009-12-23 | 江苏大学 | 一种金属板材温热成形单向拉伸试验夹具 |
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| US4879905A (en) * | 1988-10-11 | 1989-11-14 | China Steel Corporation | Apparatus for measuring the internal friction of a tranversely vibrating metal specimen |
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| US5819428A (en) * | 1996-08-19 | 1998-10-13 | Mts Systems Corporation | Extensometer structure |
| CN101451813B (zh) * | 2008-12-12 | 2011-05-11 | 华东理工大学 | 高温管件径向变形传感装置 |
| CN103180688B (zh) * | 2011-09-28 | 2015-04-29 | 华东理工大学 | 高温结构变形放大测量引伸计 |
-
2011
- 2011-09-28 CN CN201180030296.6A patent/CN103180688B/zh not_active Expired - Fee Related
- 2011-09-28 GB GB1301177.0A patent/GB2498269B/en not_active Expired - Fee Related
- 2011-09-28 US US13/817,130 patent/US8955231B2/en active Active
- 2011-09-28 JP JP2013535256A patent/JP5500612B2/ja not_active Expired - Fee Related
- 2011-09-28 WO PCT/CN2011/080256 patent/WO2013044455A1/zh not_active Ceased
-
2012
- 2012-12-21 GB GBGB1223145.2A patent/GB201223145D0/en active Pending
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| EP0273666A2 (en) * | 1986-12-22 | 1988-07-06 | Atomic Energy of Canada Limited L'Energie Atomique du Canada Limitée | Extensometer |
| US5123175A (en) * | 1991-04-26 | 1992-06-23 | Atomic Energy Of Canada Limited | Horizontal extensometer |
| US6907677B1 (en) * | 2002-01-18 | 2005-06-21 | The United States Of America As Represented By The Secretary Of The Air Force | Stable LVDT extensometer |
| CN1587970A (zh) * | 2004-09-27 | 2005-03-02 | 天津大学 | 高频响应高温拉-扭疲劳引伸计 |
| CN2914080Y (zh) * | 2005-12-13 | 2007-06-20 | 陈景长 | 一种新型高低温箱试验机 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567747A (zh) * | 2015-01-20 | 2015-04-29 | 武汉工程大学 | 一种基于激光测距仪的高温法兰泄漏监测装置 |
| CN104567790A (zh) * | 2015-01-20 | 2015-04-29 | 武汉工程大学 | 一种基于位移引伸计的高温法兰泄漏监测装置 |
| CN104613876A (zh) * | 2015-01-30 | 2015-05-13 | 华东理工大学 | 一种法兰偏转角监测系统 |
| CN104729453A (zh) * | 2015-03-17 | 2015-06-24 | 西安交通大学 | 一种测量高温双向应变的传感器 |
| CN104748665A (zh) * | 2015-03-17 | 2015-07-01 | 西安交通大学 | 一种测量高温环境下材料应变的传感器 |
| CN104748665B (zh) * | 2015-03-17 | 2017-10-20 | 西安交通大学 | 一种测量高温环境下材料应变的传感器 |
| CN114279860A (zh) * | 2021-11-25 | 2022-04-05 | 湖北省电力勘测设计院有限公司 | 一种大口径管屈曲实验装置及方法 |
| CN114279860B (zh) * | 2021-11-25 | 2023-12-15 | 湖北省电力勘测设计院有限公司 | 一种大口径管屈曲实验装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5500612B2 (ja) | 2014-05-21 |
| GB2498269A (en) | 2013-07-10 |
| GB201223145D0 (en) | 2013-02-06 |
| GB2498269B (en) | 2017-08-09 |
| CN103180688B (zh) | 2015-04-29 |
| CN103180688A (zh) | 2013-06-26 |
| US8955231B2 (en) | 2015-02-17 |
| US20140196296A1 (en) | 2014-07-17 |
| GB201301177D0 (en) | 2013-03-06 |
| JP2014500483A (ja) | 2014-01-09 |
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