Accession Number : AD0753573

Title :   The Corrosion Behavior of Titanium Alloys in Chloride Solutions: Materials for Surgical Implants.

Descriptive Note : Technical rept.,

Corporate Author : ARMY MATERIALS AND MECHANICS RESEARCH CENTER WATERTOWN MASS

Personal Author(s) : Levy,Milton ; Dawson,Daniel B. ; Sklover,Gilbert N. ; Seitz,David W. , Jr

Report Date : NOV 1972

Pagination or Media Count : 18

Abstract : Y FLUIDS, MECHANICAL PROPERTIES, TEST METHODS, HEAT TREATMENT, ALUMINUM ALLOYS, MOLYBDENUM ALLOYS, SURGERY, VANADIUM ALLOYS, TIN ALLOYS, YIELD POINTBIOLOGICAL MATERIAL, SALT WATER, TITANIUM ALLOY 8AL 1MO 1V, TITANIUM ALLOY 6AL 2SN 6VBecause certain titanium alloys are of interest as surgical implants, the corrosion behavior of alloys Ti-8Al-1Mo-1V in both the single and duplex annealed conditions and Ti-6Al-6V-2Sn at yield strength levels of 140, 160, and 180 ksi were studied in 0.17M sodium chloride solution (the approximate NaCl concentration in blood, plasma, and lymph) and Hanks's physiological solution (a fairly close imitation, from the chemical viewpoint, of the fluid in muscle and bone) at a temperature of 37 C by electrochemical means, i.e., potential-time, anodic polarization, current density-time for the anodes under potentiostatic control at the equilibrium potential. Electrochemical measurements were made with these alloys in both the unstressed and stressed conditions, and then under conditions of cyclic stress. (Author)

Descriptors :   (*TITANIUM ALLOYS, *CORROSION), (*SURGICAL IMPLANTATION, TITANIUM ALLOYS), SALT WATER, BODY FLUIDS, MECHANICAL PROPERTIES, TEST METHODS, HEAT TREATMENT, ALUMINUM ALLOYS, MOLYBDENUM ALLOYS, SURGERY, VANADIUM ALLOYS, TIN ALLOYS, YIELD POINT

Subject Categories : Medical Facilities, Equipment and Supplies
      Properties of Metals and Alloys

Distribution Statement : APPROVED FOR PUBLIC RELEASE