Mechanical characteristics of alloy AMg6M in broad temperature and strain-rate ranges

The authors study the mechanical properties of an aluminum-magnesium alloy in broad ranges of temperature and strain rate, and the change in hardness and dynamic modulus of elasticity in relation to temperature. The material chosen for study was alloy AMg6M. The heat treating process is described. The experimental data obtained on Micro-6, UVT-2, and UP-7 units is shown graphically. It is apparent that an increase in temperature is accompanied by a decrease in hardness, elastic modulus, and strength in general. Models are obtained and additional tests of specimens at the strain rate 3.3 X 10/sup -2/ sec/sup -1/ and different temperatures are conducted. The dependences must be calculated using all possible models, and the lowest resulting value must be chosen.