NDLI: Application of hard coatings to substrates at low temperatures

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Application of hard coatings to substrates at low temperatures

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sproul, William D.
Copyright Year	1993
Description	BIRL, the industrial research laboratory of Northwestern University, has conducted unique and innovative research, under sponsorship from the NASA Marshall Space Flight Center (MSFC), in the application of hard, wear resistant coatings to bearing steels using the high-rate reactive sputtering (HRRS) process that was pioneered by Dr. William Sproul, the principal investigator on this program. Prior to this program, Dr. Sproul had demonstrated that it is possible to apply hard coatings such as titanium nitride (TiN) to alloy steels at low temperatures via the HRRS process without changing the metallurgical properties of the steel. The NASA MSFC program at BIRL had the specific objectives to: apply TiN to 440C stainless steel without changing the metallurgical properties of the steel; prepare rolling contact fatigue (RCF) test samples coated with binary hard coatings of TiN, zirconium nitride (ZrN), hafnium nitride (HfN), chromium nitride (CrN), and molybdenum nitride (MoN), and metal coatings of copper (Cu) and gold (Au); and develop new alloyed hard coatings of titanium aluminum nitride (Ti(0.5)Al(0.5)N), titanium zirconium nitride (Ti(0.5)Zr(0.5)N), and titanium aluminum vanadium nitride.
File Size	2428460
Page Count	57
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940012649
Archival Resource Key	ark:/13960/t86h9gk6r
Language	English
Publisher Date	1993-06-15
Access Restriction	Open
Subject Keyword	Nonmetallic Materials Fatigue Tests Metal Coatings Nitrides Fatigue Life Magnetron Sputtering Rolling Contact Loads Wear Resistance Surface Finishing Protective Coatings Substrates Stainless Steels Low Temperature Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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