Surface mechanical characterization of sputtered nickel using nanoindentation

A. Ul-Hamid, H. Dafalla, F. K. Al-Yousef, Amir Abdallah

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The surface of carbon steel (CS) samples was deposited with pure Ni for the durations of 2, 5 and 10 minutes using DC magnetron sputter deposition process. The aim was to examine the microstructure and surface mechanical properties of Ni coatings. Field emission scanning electron microscope coupled with an energy dispersive x-ray spectrometer and x-ray diffractometer were used to undertake materials characterization. Instrumented nanoindentation hardness, elastic modulus, adhesion and coefficients of friction of coatings were evaluated. Nickel coatings obtained were relatively uniform, continuous and adherent for all deposition times. Thickness of Ni coatings increased with deposition times. Coatings with lower deposition times showed relatively higher nanohardness, elastic modulus and creep which is thought to be due to its lower thickness. Coatings were found to crack and delaminate at relatively low applied normal force during micro-scratch testing. Coefficient of friction values of coatings was comparable with that found in the literature.

Original languageEnglish
Pages (from-to)359-365
Number of pages7
JournalProtection of Metals and Physical Chemistry of Surfaces
Volume49
Issue number3
DOIs
Publication statusPublished - 1 May 2013
Externally publishedYes

Fingerprint

Nanoindentation
Nickel
Coatings
Elastic moduli
Friction
Nanohardness
Nickel coatings
X rays
Sputter deposition
Diffractometers
Field emission
Carbon steel
Spectrometers
Creep
Electron microscopes
Adhesion
Hardness
Cracks
Scanning
Mechanical properties

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Metals and Alloys
  • Surfaces, Coatings and Films

Cite this

Surface mechanical characterization of sputtered nickel using nanoindentation. / Ul-Hamid, A.; Dafalla, H.; Al-Yousef, F. K.; Abdallah, Amir.

In: Protection of Metals and Physical Chemistry of Surfaces, Vol. 49, No. 3, 01.05.2013, p. 359-365.

Research output: Contribution to journalArticle

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