Abstract
Local heating renders attractive characteristics for achieving high efficiency of metal forming. With reference to micro-part stamping, two localised-heating methods, electrical heating and laser-heating, are investigated with FE simulation. Results show that electrical heating would result in an advantageous distribution of the temperature in a steel work-material. A desired temperature distribution may also be achievable for a copper work-material, if a high-powered laser beam is used. Both electrical heating and laser-heating enable reduction of the stamping force and increase of the aspect ratio that is achievable by stamping. The simulation also demonstrates that both electrical heating and laser-heating are able to result in the desired temperature-distributions at sufficiently high heating-rates and that the methods are easy to be implemented. The comparison further shows that electrical heating is more favourable for engineering applications.
| Original language | English |
|---|---|
| Pages (from-to) | 379-391 |
| Number of pages | 12 |
| Journal | International Journal of Mechanical Sciences |
| Volume | 49 |
| Issue number | 3 |
| Early online date | 25 Sept 2006 |
| DOIs | |
| Publication status | Published - 1 Mar 2007 |
Keywords
- micro-stamping
- electrical heating
- laser-heating
- simulation