Conference
Casting and stress-strain simulations of a cast ductile iron component using microstructure based mechanical behavior
| العنوان: | Casting and stress-strain simulations of a cast ductile iron component using microstructure based mechanical behavior |
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| المؤلفون: | Olofsson, Jakob, Svensson, Ingvar L. |
| بيانات النشر: | JTH. Forskningsmiljö Material och tillverkning – Gjutning IOP Publishing |
| سنة النشر: | 2012 |
| المجموعة: | Jönköping Univ.: Publications |
| مصطلحات موضوعية: | Casting, Component behaviour, Ductile iron, Mechanical behaviour, Plastic behaviour, Metallurgy and Metallic Materials, Metallurgi och metalliska material, Mechanical Engineering, Maskinteknik |
| الوصف: | The industrial demand for increased component performance with concurrent reductions in component weight, development times and verifications using physical prototypes drives the need to use the full potential of casting and Finite Element Method (FEM) simulations to correctly predict the mechanical behavior of cast components in service. The mechanical behavior of the component is determined by the casting process, and factors as component geometry and casting process parameters are known to affect solidification and microstructure formation throughout the component and cause local variations in mechanical behavior as well as residual stresses. Though residual stresses are known to be an important factor in the mechanical behavior of the component, the importance of local mechanical behavior is not well established and the material is typically considered homogeneous throughout the component. This paper deals with the influence of solidification and solid state transformation on microstructure formation and the effect of local microstructure variations on the mechanical behavior of the cast component in service. The current work aims to investigate the coupling between simulation of solidification, microstructure and local variations in mechanical behavior and stress-strain simulation. This is done by performing several simulations of a ductile iron component using a recently developed simulation strategy, a closed chain of simulations for cast components, able to predict and describe the local variations in not only elastic but also plastic behavior throughout the component by using microstructural parameters determined by simulations of microstructural evolution in the component during the casting process. In addition the residual stresses are considered. The results show that the FEM simulation results are significantly affected by including microstructure based mechanical behavior. When the applied load is low and the component is subjected to stress levels well below the yield strength of the material, the ... |
| نوع الوثيقة: | conference object |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | IOP Conference Series, 1757-8981; 33; IOP Conference Series: Materials Science and Engineering, Volume 33 : MCWASP XIII: International Conference on Modeling of Casting, Welding and Advanced Solidification Processes |
| DOI: | 10.1088/1757-899X/33/1/012051 |
| الاتاحة: | http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-19107 https://doi.org/10.1088/1757-899X/33/1/012051 |
| Rights: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.6967BC79 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1088/1757-899X/33/1/012051 |
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