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Protection against lead-free solder in wave-soldering by Ti/TiC coatings prepared by filtered cathodic arc deposition

  • Shu Xiao
  • , Zhongzhen Wu*
  • , Liangliang Liu
  • , Ricky K.Y. Fu
  • , Wan Li
  • , Xiubo Tian
  • , Paul K. Chu
  • , Feng Pan
  • *Corresponding author for this work
  • Peking University
  • City University of Hong Kong

Research output: Contribution to journalArticlepeer-review

Abstract

Lead-free solder is increasingly used in the wave soldering but corrosion of the stainless steel holders frequently occurs and produces deleterious effects. To enhance the service life, a Ti/TiC coating is deposited by filtered cathodic vacuum arc (FCVA) on the stainless steel holders. The morphology, structure, composition, microhardness, wear resistance, electron chemical corrosion, and wetting properties against solder are investigated. The results show that not only good frictional properties and corrosion resistance are achieved by the Ti/TiC coatings, but also good tin repelling and hydrophobic characteristics are observed. The Ti/TiC coating provides excellent protection against corrosion of lead-free solder in wave soldering.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalSurface and Coatings Technology
Volume312
DOIs
StatePublished - 25 Feb 2017

Keywords

  • FCVA
  • Ti/TiC
  • Tin-repellent
  • Wave soldering holder

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