Development of Cone Wedge Ring Expansion Test to Evaluate Mechanical Properties of Clad Tubing Structure
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
To determine the hoop tensile properties of irradiated fuel cladding in a hot cell, a cone wedge ring expansion test method was developed. A four-piece wedge insert was designed with tapered angles matched to the cone shape of a loading piston. The ring specimen was expanded in the radial direction by the lateral expansion of the wedges under the downward movement of the piston. The advantages of the proposed method are that implementation of the test setup in a hot cell is simple and easy, and that it enables a direct strain measurement of the test specimen from the piston’s vertical displacement soon after the wedge-clad contact resistance is initiated.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). High Temperature Materials Lab. (HTML)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1329134
- Report Number(s):
- ORNL/TM-2016/279; DN3003010; MDGA507
- Country of Publication:
- United States
- Language:
- English
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