Abstract
A study was carried out to investigate the machined surface integrity of Al 6061-T6 by using a single crystalline diamond (SCD) micro-tool with a 5-axis ultraprecision freeform generator. The micro-size tools used in this study which have a cutting contact length of around 30 μm on the primary clearance face were fabricated by a focused ion beam (FIB). It was found that changing the crystallographic orientation results in a variation in the machined surface integrity. Hard and brittle particles in the soft alloy matrix play an important role in the generation of the voids on the machined surface. Decreasing the cross-feed rate will help reduce the effects of crystallographic orientation and the influence of hard particles on the machined surface. This study contributes to a better understanding of the physics of mechanical machining with micro-tools.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 24th Annual Meeting of the American Society for Precision Engineering, ASPE 2009 |
| Place of Publication | Raleigh |
| Number of pages | 4 |
| Publication status | Published - 7 Dec 2009 |
| Externally published | Yes |
| Event | 24th Annual Meeting of the American Society for Precision Engineering, ASPE 2009 - Monterey, CA, United States Duration: 4 Oct 2009 → 9 Oct 2009 |
Conference
| Conference | 24th Annual Meeting of the American Society for Precision Engineering, ASPE 2009 |
|---|---|
| Country/Territory | United States |
| City | Monterey, CA |
| Period | 4/10/09 → 9/10/09 |
Keywords
- ductile-regime machining
- machined surface finish
- micro-size diamond tool
- micromachining