Abstract
The recent trend towards miniaturization of products and technology has produced a strong demand for such metallic micro-parts with extremely small geometric features and high tolerances. Conventional forming technologies, such as extrusion and drawing, have encountered new challenges on the micro-scale due to the influence of 'size effects' that tend to be predominant at this level. One of the factors that show a strong influence is friction. A novel experimental setup consisting of forming assembly and a loading stage has been developed to obtain the force-displacement response for the extrusion of pins made of aluminum. This paper also investigates the validity of using high-strength/low-friction die coatings to improve the tribological characteristics observed in micro-extrusion. All of the various coatings were used in the micro-extrusion experiments, and worked satisfactorily to reduce the friction. The DLC-Spatter-coating produces the least friction and therefore has the lowest extrusion force.
| Original language | English (US) |
|---|---|
| Title of host publication | 9th International Conference on Technology of Plasticity, ICTP 2008 |
| Publisher | Hanrimwon Publishing Co. |
| Pages | 1890-1895 |
| Number of pages | 6 |
| State | Published - Jan 1 2008 |
| Event | 9th International Conference on Technology of Plasticity, ICTP 2008 - Gyeongju, Korea, Republic of Duration: Sep 7 2008 → Sep 11 2008 |
Other
| Other | 9th International Conference on Technology of Plasticity, ICTP 2008 |
|---|---|
| Country/Territory | Korea, Republic of |
| City | Gyeongju |
| Period | 9/7/08 → 9/11/08 |
ASJC Scopus subject areas
- Polymers and Plastics