Accelerated ageing of silicone rubber and XLPE used in HV cable accessories: a thermomechanical analysis

Key Points

• This research aims to investigate the effects of thermal and mechanical stresses on silicone rubber and XLPE used in high-voltage cable accessories.
• Conducted thermomechanical analysis on silicone rubber and XLPE samples.
• Simulated harsh mechanical and thermal stress conditions.
• Evaluated changes in mechanical properties over time.
• Silicone rubber and XLPE showed significant deterioration under stress.
• Mechanical properties declined, indicating reduced reliability over time.
• Findings suggest a need for improved materials in cable accessories.