Abstract
The influence of fabrication on the tensile and fatigue behavior of copper films manufactured by 3 kinds of fabrication methods was investigated. The tensile and high cycle fatigue tests were performed using the test machine developed by authors. Young's moduli (72, 71 and 69 GPa, respectively) are lower than the literature values (108-145 GPa), while the yield strengths were as high as 358, 350 and 346 MPa, respectively and the ultimate strengths as 462, 456 and 446 MPa, respectively. There is not much difference in the tensile properties of the 3 kinds of films. There is little difference in the fatigue properties of the 3 kinds of films but one of them has shorter fatigue life than others in high cycle region and longer fatigue life than others in low cycle region.
| Original language | English |
|---|---|
| Pages (from-to) | 318-326 |
| Number of pages | 9 |
| Journal | Acta Mechanica Solida Sinica |
| Volume | 21 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2008 Aug |
Keywords
- copper
- high cycle fatigue test
- mechanical properties
- thin film
ASJC Scopus subject areas
- Computational Mechanics
- Mechanics of Materials
- Mechanical Engineering