期刊
JOURNAL OF MATERIALS RESEARCH
卷 29, 期 18, 页码 2229-2239出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2014.238
关键词
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资金
- U.S. Army Research Office through the Institute for Soldier Nanotechnologies at MIT
Nanostructured Al1-xMnx/Al1-yMny multilayers were deposited from room temperature ionic liquid using galvanostatic control at various current densities and electrolyte compositions. By tuning the deposition parameters, multilayers with both micrometer and nanometer layer thicknesses were synthesized, with modulation of the elastic modulus and hardness between Mn-lean and Mn-rich layers. Surface morphology, composition, and microstructure of the films were characterized using x-ray diffraction and electron microanalysis tools. Nanoindentation and nanoscratch tests were performed to evaluate the mechanical and tribological properties of selected multilayers. Finally, the effects of deposition parameters on the microstructure evolution and mechanical properties of the multilayers were discussed.
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