Electroless Ni-B deposition from an emulsified supercritical carbon dioxide bath

Hung Yu Wang, Sung Ting Chung, Yan Chi Chuang, Wen Ta Tsai

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

The electroless deposition of boron-containing Ni (EN-B) film from a supercritical carbon dioxide (sc-CO2) bath was introduced. The deposition rate in sc-CO2 bath was one order of magnitude lower than that at ambient pressure without the presence of sc-CO2. A more uniform chemical composition of the EN-B film could be obtained if it was deposited in the sc-CO2 bath. X-ray diffraction analyses revealed that the as-deposited film was amorphous in nature, despite of the deposition condition. Deposition defects such as cracks and voids could be avoided if the deposition was conducted in the sc-CO2 bath. Crystallization and boride precipitation were found after heat treatment at 400 °C for 1 h. The EN-B film deposited from the sc-CO2 bath had a higher hardness as compared with that of the normal EN-B coating. A substantial increase in hardness was obtained due to boride precipitation.

原文English
頁(從 - 到)7505-7508
頁數4
期刊Thin Solid Films
518
發行號24
DOIs
出版狀態Published - 2010 十月 1

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 表面和介面
  • 表面、塗料和薄膜
  • 金屬和合金
  • 材料化學

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