Einfluss von Legierung und Wärmebehandlung auf thermomechanische Eigenschaften von Zylinderköpfen

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GP 03/2014
Forschung
Legierungen

Alloy and heat treatment influence on thermo-mechanical fatigue properties of engine cylinder heads Castings in automotive engine applications are loaded by numerous factors which are overlayed during service. High powered cylinder heads need heat treatment to fulfill the complex requirements of strength, low- and high-cycle fatigue limits, thermo-mechanical fatigue and creep. An overview about typical alloy- and heat treatment combinations, which are in use for cylinder head applications, will be given. The results of a sample testing program and thermomechanical fatigue component tests performed with two different material solutions will be described in more detail. RUBRIK: TECHNIK

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