- **Section 6: Breakdown, Aging and Lifetime of Polyimide**

Chapter 10: *Space Charge Accumulation Phenomena in PI Under Various Practicable Environment* (by H. Miyake, Y. Tanaka)

Chapter 11: *Lifetime of Polyimide under Repetitive Impulse Voltages* (by Y. Yang, G.N. Wu)

Chapter 12: *Electrical Endurance of Corona-Resistant Polyimide for Electrical Traction* (by T. Han, A. Cavallini)
