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Title: Note: A method for minimizing oxide formation during elevated temperature nanoindentation

A standardized method to protect metallic samples and minimize oxide formation during elevated-temperature nanoindentation was adapted to a commercial instrument. Nanoindentation was performed on Al (100), Cu (100), and W (100) single crystals submerged in vacuum oil at 200 °C, while the surface morphology and oxidation was carefully monitored using atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). The results were compared to room temperature and 200 °C nanoindentation tests performed without oil, in order to evaluate the feasibility of using the oil as a protective medium. Extensive surface characterization demonstrated that this methodology is effective for nanoscale testing.
Authors:
;  [1] ;  [1] ;  [2]
  1. Department of Aerospace and Mechanical Engineering, University of Southern California, 3650 McClintock Avenue OHE430, Los Angeles, California 90089 (United States)
  2. (Mexico)
Publication Date:
OSTI Identifier:
22314694
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 85; Journal Issue: 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ALUMINIUM; ATOMIC FORCE MICROSCOPY; COPPER; MONOCRYSTALS; MORPHOLOGY; NANOSTRUCTURES; OILS; OXIDATION; OXIDES; TEMPERATURE RANGE 0273-0400 K; TESTING; TUNGSTEN; X-RAY PHOTOELECTRON SPECTROSCOPY