Abstract
This paper focuses on the influence of EB parameters on temperature-time profiles when using an electron beam hardening field with surface isothermal energy distribution. Along with the energy-transfer density eF, the power density in the EBH field q plays a key role in determining the microstructure and hardening depth. For the combined treatment of magnetron-sputtered Ti1-xAlxN coatings with subsequent EBH, it was shown that crack formation was reduced and technically relevant surface-hardening depths were achieved without negatively influencing the wear-resistant PVD hard coatings if an EBH field with lower power density was used.
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