Based on the correlation between analytical calculation and measurements in cross sections, the additional
growth of intermetallic phases in the cladding interface during laser beam welding can be calculated by (1) and (2).
In order to estimate the thermal load of the intermetallic layer, numerical simulation is used. The validation of the
numerical model is performed by fillet copper welding process, wherein the process parameters enable a heat input,
which is sufficient to melt the aluminum at the cladding interface. Those parameters are used for simulation,
wherein the resulting heat distribution, which is shown in Fig. 5, is calculated.
Based on the correlation between analytical calculation and measurements in cross sections, the additionalgrowth of intermetallic phases in the cladding interface during laser beam welding can be calculated by (1) and (2).In order to estimate the thermal load of the intermetallic layer, numerical simulation is used. The validation of thenumerical model is performed by fillet copper welding process, wherein the process parameters enable a heat input,which is sufficient to melt the aluminum at the cladding interface. Those parameters are used for simulation,wherein the resulting heat distribution, which is shown in Fig. 5, is calculated.
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