Acoustic emission from single point machining: Part 1, Source mechanism. Revised
Technical Report
·
OSTI ID:10140205
Acoustic emission (AE) was monitored during single point, continuous machining of 4340 steel and Ti-6A1-4V as a function of heat treatment. Heat treatments which increase the strength of 4340 steel increase the amount of AE produced during deformation, while heat treatments which increase the strength of Ti-6A1-4V decrease the amount of AE produced during deformation. Trends in rms AE level during machining with increasing strength were similar for both alloys, demonstrating that chip deformation is not a major source of AE in sigle point machining. The data suggest that sliding friction between the nose and/or flank of the tool and the newly machined surface is the primary source of AE.
- Research Organization:
- EG and G Rocky Flats, Inc., Golden, CO (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC34-90DP62349
- OSTI ID:
- 10140205
- Report Number(s):
- RFP-4447-Pt.1-Rev.; ON: DE92012113
- Resource Relation:
- Other Information: PBD: [1989]
- Country of Publication:
- United States
- Language:
- English
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