Method for hardening and tempering cylinder heads, and cylinder heads for internal combustion engines

摘要

The invention relates to a process for quenching and tempering of cast cylinder heads for internal combustion engines as well as such cylinder heads, in particular cylinder heads made from cast aluminum or an aluminum alloy, in which the cylinder head 1 is heat treated subsequently to the casting, in which the cylinder head 1 is adaptively adjusted heat treated in the different regions 2, 3 according to the thermal and mechanical requirements of said regions 2, 3.