Lewis G, Daigle K
Department of Mechanical Engineering, Memphis State University, Tennessee 38152.
J Appl Biomater. 1993 Spring;4(1):47-54. doi: 10.1002/jab.770040106.
The static general corrosion behavior of Ti-6Al-4V alloy specimens in three lactated Ringer's-based solutions was investigated using d.c. potentiodynamic, d.c. linear polarization resistance, and a.c. impedance techniques. A critical appraisal of the use of these techniques for the estimation of the corrosion rate of the material is presented. Whence it was shown that the presence of bovine serum in or decreasing the pH level of (to about 1) lactated Ringer's solution leads to an increase in the corrosion rate of the alloy (relative to that in lactated Ringer's solution, pH 6.25).
采用直流动电位、直流线性极化电阻和交流阻抗技术研究了Ti-6Al-4V合金试样在三种基于乳酸林格氏液的溶液中的静态全面腐蚀行为。对这些技术用于估算材料腐蚀速率的情况进行了批判性评估。结果表明,乳酸林格氏液中存在牛血清或降低其pH值(至约1)会导致合金腐蚀速率增加(相对于pH值为6.25的乳酸林格氏液中的腐蚀速率)。