Cryogenic radiation effects on electric insulators
Abstract
Epoxy-based, polyamide, and polyimide insulators chosen from superconducting magnet practice were irradiated in liquid helium to a total gamma dose of 20 MGy. Electrical resistivity was measured during and after irradiation, and electrical breakdown was measured after irradiation. Mechanical properties measured at 77 K after irradiation included flexure strength, shear strength (of adhesive between copper), and compressive strength.
- Publication:
-
Presented at 1st Topical Meeting on Fusion Reactor Materials
- Pub Date:
- May 1979
- Bibcode:
- 1979frm..meetR....K
- Keywords:
-
- Cryogenic Fluids;
- Electrical Insulation;
- Liquid Helium;
- Nuclear Reactors;
- Radiation Effects;
- Electrical Resistivity;
- Flexing;
- Gamma Rays;
- Shear Strength;
- Superconducting Magnets;
- Engineering (General)