Mears D C
J Biomed Mater Res. 1975 Jul;9(4):133-48. doi: 10.1002/jbm.820090417.
Previously, the use of dissimilar metals for the construction of surgical implants has been strongly discouraged because the combination of metals was likely to provoke more rapid corrosion of one metal. With the passive alloys that are in present and future application, however, a reconsideration of the use of dissimilar metals is required. Presently available electrochemical tests allow accurate prediction of safe and unsafe combinations of metals. The use of dissimilar metals would permit selection of the alloy of appropriate mechanical properties for each part of an implant and would allow improved corrosion resistance that certain alloys can convey to other alloys with which they are in contact.
以前，强烈不鼓励使用不同金属制造外科植入物，因为金属组合可能会引发其中一种金属更快地腐蚀。然而，对于目前和未来应用的钝化合金，需要重新考虑使用不同金属的问题。目前可用的电化学测试能够准确预测金属的安全和不安全组合。使用不同金属将允许为植入物的每个部件选择具有适当机械性能的合金，并将提高某些合金能够传递给与其接触的其他合金的耐腐蚀性。
