Flame-sprayed alumina on stainless steel for possible prosthetic application.
Various methods of roughening type 316 stainless steel substrate surfaces for flame-spraying alumina (Al2O3) were investigated and tested for the best alumina-to-metal bond strength. Best strength values were obtained by means of roughening via anodic polarization pitting of the stainless steel. Subsequent in vitro testing indicated a severe loss in bond strength following exposure to aerated Ringer's solution. It is suggested that the utilization of flame-sprayed devices has potential in orthopedic prostheses, but precautions must be observed.
D000535:Aluminum; D002516:Ceramics; D019736:Prostheses and Implants; D013193:Stainless Steel; D013314:Stress, Mechanical; D013499:Surface Properties
D013193:Stainless Steel; D000535:Aluminum