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Interfacial Mechanical Behavior and Electrochemical Corrosion Characteristics of Cold-Sprayed and Hot-Rolled Titanium/Stainless-Steel Couples

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Li,  Zhiming
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China;
Adaptive Structural Materials (Experiment), Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Citation

Li, Z., Yang, X., Zhang, J., & Shan, A. (2016). Interfacial Mechanical Behavior and Electrochemical Corrosion Characteristics of Cold-Sprayed and Hot-Rolled Titanium/Stainless-Steel Couples. Advanced Engineering Materials, 18(7), 1240-1249. doi:10.1002/adem.201500567.


Cite as: http://hdl.handle.net/21.11116/0000-0002-1A9C-2
Abstract
Fully dense Ti/stainless-steel couples are produced via cold-spraying and subsequent hot-rolling at various temperatures. Accordingly, the authors examined the nanoindentation hardness and modulus as well as elemental distributions corresponding to the interfacial regions. Moreover, the electrochemical corrosion behavior of the Ti part prior to and following hot-rolling is also investigated. Our results shown that the couples hot-rolled at 950 °C can successfully avoid both prior defects in the Ti and intermetallic compounds at the interface. Hot-rolling has a significant influence on the interfacial mechanical behavior. The cold-sprayed and hot-rolled Ti parts exhibit excellent electrochemical corrosion resistance in 3.5 wt NaCl solutions, which is identical to that of normal pure Ti. © 2016 WILEY-VCH Verlag GmbH Co. KGaA, Weinheim