Tribological properties of reactively sputtered nitrides and carbides of titanium, zirconium and hafnium. Final report
- Northwestern Univ., Evanston, IL (United States). Basic Industrial Research Lab.
Objective was to determine the tribological properties of hard, wear-resistant coatings on steel substrates in order to expedite their use on coated roller bearings, transmission gears, cams, etc. Specific coatings investigated were TiN, TiC, ZrN, ZrC, HfN, and HfC; they were deposited by high-rate-reactive magnetron sputtering. Both nitrides and carbides improved the wear performance of steel, often by orders of magnitude. These coatings have proven to be beneficial for dry sliding, lubricated sliding, rolling, and mixed rolling/sliding wear. The rolling contact fatigue studies showed remarkable improvements of lifetime that could be achieved with very thin coatings (less than one micron); thicker coatings were not useful. Coating and substrate properties (hardness) should be matched for best performance. Properties and performance of the hard coatings are controlled by process parameter settings; these parameters can be controlled in magnetron sputtering to achieve excellent results.
- Research Organization:
- Argonne National Lab., IL (United States); Northwestern Univ., Evanston, IL (United States). Basic Industrial Research Lab.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10163628
- Report Number(s):
- ANL/OTM/CR--8; ON: DE94014583
- Country of Publication:
- United States
- Language:
- English
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