Low-temperature direct heterogeneous bonding of polyether ether ketone and platinum

Weixin Fu, Akitsu Shigetou, Shuichi Shoji, Jun Mizuno

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Direct heterogeneous bonding between polyether ether ketone (PEEK) and Pt was realized at the temperatures lower than 150 °C. In order to create sufficient bondability to diverse materials, the surface was modified by vacuum ultraviolet (VUV) irradiation, which formed hydrate bridges. For comparison, direct bonding between surfaces atomically cleaned via Ar fast atom bombardment (FAB) was conducted in a vacuum. The VUV irradiation was found to be effective for creating an ultrathin hydrate bridge layer from the residual water molecules in the chamber. Tight bonds were formed through dehydration of the hydrate bridges by heating at 150 °C, which also contributed to enhancing interdiffusion across the interface. The VUV-modified surfaces showed bondability as good as that of the FAB-treated surfaces, and the VUV-modified samples had shear strengths at the same level as those of FAB-treated surfaces. This technology will be of practical use in the packaging of lightweight, flexible biomedical devices.

Original languageEnglish
Pages (from-to)860-865
Number of pages6
JournalMaterials Science and Engineering C
Volume79
DOIs
Publication statusPublished - 2017 Oct 1

Fingerprint

Polyether ether ketones
Platinum
ketones
ethers
platinum
Vacuum
vacuum
Hydrates
hydrates
bombardment
Atoms
Temperature
Interdiffusion (solids)
Irradiation
atoms
irradiation
shear strength
Dehydration
packaging
dehydration

Keywords

  • Heterogeneous bonding
  • Hydrate bridge layer
  • Low temperature
  • Peek
  • Surface modification
  • VUV

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Low-temperature direct heterogeneous bonding of polyether ether ketone and platinum. / Fu, Weixin; Shigetou, Akitsu; Shoji, Shuichi; Mizuno, Jun.

In: Materials Science and Engineering C, Vol. 79, 01.10.2017, p. 860-865.

Research output: Contribution to journalArticle

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