ROLLING-CONTACT FATIGUE LIFE OF A CRYSTALLIZED GLASS CERAMIC
Technical Report
·
OSTI ID:4147185
S>The rolling-contact fatigue properties of a crystallized glass ceramic were investigated with the five ball fatigue tester. Fatigue spalls similar to those common in bearing steels were observed at maximum theoretical (Hortz) compressive stresses of 265,000, 295.000, and 300,000 psi. At room temperature, load carrying capacity was approximately one-fifteenth that of AISI M-1 tool steel. The effects of contact stress, contact angle, test lubricant, and test temperature up to 700 deg F are reported. This material may be useful in low- load, short-duration applications where an operating temperature above the linuts of steels is the paramount design consideration. (auth)
- Research Organization:
- National Aeronautics and Space Administration. Lewis Research Center, Cleveland
- NSA Number:
- NSA-14-011981
- OSTI ID:
- 4147185
- Report Number(s):
- NASA-TN-D-259
- Country of Publication:
- United States
- Language:
- English
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