Journal
APPLIED SCIENCES-BASEL
Volume 9, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/app9183824
Keywords
physical conditions; electrodeposition; SiC whisker; texture; morphology
Categories
Funding
- National Natural Science Foundation of China [61571287]
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Recently, a strategy of synthesizing SiC whisker-reinforced nickel (Ni/SiCw) composites with excellent mechanical properties by electrodeposition has been proposed for exploring its potential applications in micromechanical devices. In this paper, a series of external conditions that affected the content of SiC whiskers in composite films were studied, such as cathode current density, stirring rate and electrolyte temperature. The experimental results indicated that the optimum morphology was obtained at a stirring speed of 300 rpm, a temperature of 50 degrees C, and a current density of 18 mA/cm(2). Additionally, the content of SiC whiskers and textural preference were also investigated by varying its external conditions, and the results demonstrated that the composites with high mass percentage whiskers are more advantageous for electrocrystallization of Ni in the (200) orientation. Finally, the relationship between external conditions and intrinsic morphology, composition and texture of Ni/SiCw composites was revealed, and it provides a constructive approach to fabricate the high-content SiC whiskers of these composites.
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