On Microstructure-Based Mechanical Behaviour of a Ductile Iron Component

Abstract

Castings are produced by a manufacturing method which gives the components properties that are depending on design, metallurgy and casting method. The aim is to explore and model the local properties in a cast iron component where the properties can vary in the casting volume, which makes it difficult to optimize the castings with good accuracy. This paper presents modelling and simulation of local microstructure-based mechanical behaviour. The mechanical behaviour can be shown as stress-strain curves at different locations of the cast iron component. A careful evaluation of tensile tests are made of three industrial components to characterize the stress – strain curves for regions holding different microstructures. This data will be used to determine the local properties and how they will influence the component behaviour at service.