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Chapter 3 Material model and material characterization of automotive aluminium alloy 5052H34
preface
The basic property of material decides the use function of the the research of car crashes and large deformation of ponents,the key point of solving the problem is to build corresponding physics-math model in order to acquire the specific material for the automotive aluminium alloy in our research ,we need to consider the response characteristic of the material machanism on condition of real impact (such as dynamic loading,high-stress condition,including primary defects or damage,etc) .By this way, numerous performance test and full- crash test need to be conducted ,which would exhaust great labor power and physical resources,but the result is still the limited discret data obtain by the experiment,it can hardly cover the space of all solution of the some extreme condition suc