Comments on the degree of perfection feasible in stress-recrystallized pyrolytic carbon

On the fractography of overload, stress

On the fractography of overload, stress corrosion, and cyclic fatigue failures in pyrolytic-carbon materials used in prosthetic heart-valve devices

✍ Ritchie, R. O. ;Dauskardt, R. H. ;Pennisi, F. J. 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 545 KB

A scanning electron microscopy study is reported of the nature and morphology of fracture surfaces in pyrocarbons commonly u s e d for t h e m a n u f a c t u r e of mechanical heart-valve prostheses. Specifically, silicon-alloyed low-temperaturei s o t r o p i c (LT1)-pyrolytic c a r b o n is exami