DCPD and strain gauge based calibration procedure for evaluation of low temperature creep behavior
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Yinghao Cui
Ying-hao Cui, born in 1989, currently works as a Lecturer at the Zhongyuan University of Technology in the School of Mechatronics Engineering.
,
Zhang Jianlong
Jian-long Zhang, born in 1989, currently studies as a Postgraduate Student at the Xi’an University of Science and Technology in mechanical design and theory.
He Xue, born in 1961, is a Professor of Mechanical Engineering at the Xi’an University of Science and Technology.
Abstract
Creep cracking is one of the key forms of structural material SCC damage with respect to nuclear power. Accurately obtaining the amount of creep deformation is also an important basis for estimating the service life of structural parts. However, because the primary circuit of nuclear power occurs in a high-temperature and high-pressure service water environment, it is not possible to use a conventional extensometer to obtain accurate creep of gauge length under these conditions. Considering that DCPD is an important method for monitoring crack propagation in a high-temperature water environment, by taking the austenite 304 stainless steel commonly used for nuclear power as a research object, a calibration method based on a combination of DC potential drop (DCPD) and strain testing to obtain the creep deformation of the specimen was established. By comparing theoretical research with experimental results, it can be concluded that the calculation results of the model are close to the experimental results and consistent with the theory, thus proving the feasibility of using DCPD technology to obtain the creep deformation amount.
About the authors
Ying-hao Cui, born in 1989, currently works as a Lecturer at the Zhongyuan University of Technology in the School of Mechatronics Engineering.
Jian-long Zhang, born in 1989, currently studies as a Postgraduate Student at the Xi’an University of Science and Technology in mechanical design and theory.
He Xue, born in 1961, is a Professor of Mechanical Engineering at the Xi’an University of Science and Technology.
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- Weldability of austempered rail steel using the flash-butt process
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Articles in the same Issue
- Frontmatter
- Materials testing for joining and additive manufacturing applications
- Bending strength of ceramic compounds bonded with silicate-based glass solder
- Effect of Y addition on the structural transformation and thermal stability of Ti-22Al-25Nb alloy produced by mechanical alloying
- Materialography
- Grain evolution during hot ring rolling of as-cast 42CrMo ring billets
- Mechanical testing
- DCPD and strain gauge based calibration procedure for evaluation of low temperature creep behavior
- Corrosion testing
- Corrosion behavior of the heat affected zone in a 316 L pipeline weld
- Non-destructive testing/Radiography
- Neutron darkfield imaging of fiber composites
- Materials testing for welding and additive manufacturing applications
- Investigation of in situ synthesized TiB2 particles in iron-based composite coatings processed by hybrid submerged arc welding
- Mechanical testing/Numerical simulations
- Mechanical behavior of butt curved adhesive joints subjected to bending
- Wear testing/Numerical simulations
- Finite element modeling of glass particle reinforced epoxy composites under uniaxial compression and sliding wear
- Mechanical testing
- Effect of the cooling process on the mechanical properties and microstructural behavior of extruded AZ31 and AM50 Mg alloys
- Materials testing for welding and additive manufacturing applications
- Weldability of austempered rail steel using the flash-butt process
- Effect of tool diameter ratio on the microstructural characteristics of a solid-state processed aluminum based metal matrix composite
- Analysis of physical and chemical properties
- A density measurement device for solid objects with uneven geometry
- Numerical simulations
- Experimental and numerical study of an overlay composite absorber plate material for a solar air heater
