Diamond turning of thermoplastic polymers
Single point diamond turning studies were made using a series of thermoplastic polymers with different glass transition temperatures. Variations in surface morphology and surface roughness were observed as a function of cutting speed. Lower glass transition temperatures facilitate smoother surface cuts and better surface finish. This can be attributed to the frictional heating that occurs during machining. Because of the very low glass transition temperatures in polymeric compared to inorganic glasses, the precision machining response can be very speed sensitive.
- Research Organization:
- Los Alamos National Lab., NM (United States); North Carolina State Univ., Raleigh, NC (United States)
- OSTI ID:
- 476638
- Report Number(s):
- LA-SUB--93-81; ON: DE97003578
- Country of Publication:
- United States
- Language:
- English
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