期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nimb.2005.03.289
关键词
ion implantation; joining; surface treatment; ceramics
Multi-crystalline Al2O3 ceramics were implanted with 130 keV Ni+ ion beams at 225 degrees C in a vacuum of 1.33 x 10(-3) Pa. The inactive braze joining abilities of the implanted ceramic to 1Cr18Ni9Ti (AISI 321) stainless steel with Ag34Cu16Zn50 (wt%) brazing material were investigated. The relationships between the joining abilities and the surface compressive stresses produced by the ion implantation were studied for the first time. The results showed that when the fluence was less than 5 x 10(16) ions/cm(2), the surface properties including wetting ability, braze joining ability and produced surface compressive stresses, increased with ion implantation fluence, and reached the maximum value at a point of 5 x 10(16) ions/cm(2). After this point, the properties decreased upon further increasing the ion implantation fluence. (c) 2005 Elsevier B.V. All rights reserved.
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