Materials Data Bases and Mechanisms-Based Constitutive Equations for Use in Design

  • D. R. Hayhurst
Conference paper
Part of the International Centre for Mechanical Sciences book series (CISM, volume 399)


The paper reviews the role of supercomputer simulation as a wealth creational tool in the design and manufacture process. The route is highlighted from laboratory testing of materials, through selection of mechanisms-based constitutive equations to the supercomputer simulation of the behaviour of high-temperature engineering components. The theory of creep Continuum Damage Mechanics (CDM) is used as an example of a tool that can be used to analyse/simulate the damage/rupture behaviour of a wide range of engineering components operated at high-temperatures. The importance is stressed of using mechanisms-based constitutive equations in order to achieve accurate predictions/extrapolations. Procedures are discussed for the selection of the dominant mechanisms from laboratory data, and hence the relevant constitutive equations. It is argued that the barrier to progress in the use of these techniques to achieve wealth creation will be a paucity of good materials data.


Constitutive Equation Gauge Length Creep Curve Primary Creep Creep Rupture 
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Copyright information

© Springer-Verlag Wien 1999

Authors and Affiliations

  • D. R. Hayhurst
    • 1
  1. 1.University of ManchesterManchesterUK

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