EPJ Web of Conferences
Volume 26, 2012DYMAT 2012 - 10th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|Number of page(s)||6|
|Published online||31 August 2012|
Strain rate effects on mechanical properties in tension of aluminium alloys used in armour applications
1 DynaMat Lab., University of Applied Sciences of Southern Switzerland, 6952 Canobbio, Switzerland
2 RUAG Defence, RUAG Schweiz AG, 3602 Thun, Switzerland
The mechanical properties in tension of two aluminium alloys (AA5059-H131 and AA7039-T651) used in armour applications were determined from tests carried out over a wide range of strain-rates on round specimens. The experimental research was developed in the DynaMat laboratory of the University of Applied Sciences of Southern Switzerland. The target strain rates were set at the following four levels: 10−3, 30, 300 and 1000s−1. The quasi-static tests were performed with a universal electromechanical machine, whereas a hydro-pneumatic machine and a Split Hopkinson Tensile Bar apparatus were used for medium and high strain-rates respectively. The required parameters by the Johnson-Cook constitutive law were also determined.
© Owned by the authors, published by EDP Sciences, 2012
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