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  • Title: [The research of using TiN nanometer film to improve the anticorrosive property of FeCrMo alloy].
    Author: Sun SY, Zhao YM, Zhang YM, Gao B, Li GM.
    Journal: Zhonghua Kou Qiang Yi Xue Za Zhi; 2003 Sep; 38(5):387-9. PubMed ID: 14746329.
    Abstract:
    OBJECTIVE: The aim of the study is to improve the anticorrosive property of the dental FeCrMo soft magnetic alloy covered with TiN film obtained by ion beam assisted deposition (IBAD) technology in oral environment. METHODS: The magnetic force of the FECrMo soft magnetic alloy after TiN film treated were measured by Instron test machine. An advanced electro-chemical method was used to measure the electric potential of corrosion (Ecorr), passive potential (Ep), passive current density (Ip), current density of corrosion (Icorr), polarization resistance (Rp), of FeCrMo soft magnetic alloy in simulated oral environment before and after surface modification. RESULTS: There were no statistic changes of the magnetic force in 4 groups after alloy with TiN film treated. Comparing with the alloy without surface modified, the Ecorr, Rp of FeCrMo soft magnetic alloy was obviously higher, and the Icorr, Ip and Ep were obviously lower. CONCLUSIONS: The anticorrosive property of the dental FeCrMo soft magnetic alloy with TiN film is better than that without modified.
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