Abstract
This paper documents the initially made and generally applicable systematisation and classification for optimised design of automotive cylinder heads by using hybrid compound material solutions. Proceeding from this background, different technical variants for design and manufacture of cylinder heads are presented. The intention is to combine different materials, so that locally different stresses in modern cylinder heads may be taken up through the specific use of appropriate materials. On the basis of fundamental investigations into the bonding behaviour of different materials, appropriate opportunities for an effective reduction resp. overcoming of the interfering oxide layer are derived. With this in view new design approaches are presented. As the basis for assessment and evaluation of their performance potential different FEM and CFD calculations for temperature field analysis, strength prognosis and fatigue strength are shown. Finally special casting tests regarding the practical feasibility of the appropriate conceptions in production are presented.
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