Abstract
Modelling of ductile fracture can be done by damage evolution models and by fracture criteria. Recently, fracture criteria formulated in triaxiality, Lode angle parameter and fracture strain have gained popularity. This paper reviews some of these models and identifies issues when anisotropic damage and strain path dependency are involved. Both effects play a role when simple shear and pure shear deformations are compared. A concise overview of literature is presented. It is concluded that triaxiality and Lode angle based fracture criteria cannot account for relevant differences between simple and pure shear in ductile materials.
| Original language | English |
|---|---|
| Title of host publication | 11th Forming Technology Forum 2018 |
| Place of Publication | Zurich, Switzerland |
| Publisher | IVP - ETH Zurich |
| Number of pages | 6 |
| Publication status | Published - Jul 2018 |
| Event | 11th Forming Technology Forum 2018: Experimental and numerical methods in the FEM based crack prediction - Technopark Zürich, Zurich, Switzerland Duration: 2 Jul 2018 → 3 Jul 2018 Conference number: 11 http://www.ivp.ethz.ch/en/news-and-events/ftf18.html |
Conference
| Conference | 11th Forming Technology Forum 2018 |
|---|---|
| Abbreviated title | FTF 2018 |
| Country/Territory | Switzerland |
| City | Zurich |
| Period | 2/07/18 → 3/07/18 |
| Internet address |
Keywords
- anisotropy
- non-proportional loading
- damage
- fracture
- Lode angle
- triaxiality