Abstract
This paper presents an investigation on deformation behaviour using elastic inherent strain method (ISM). The deformation of bead-on-plate substrate is induced by GMAW process in which the selected material of filler and substrate is austenitic stainless steel SS316L. A simplified rectangular bead geometry is modelled and the process is simulated using numerical software MSC Marc/Mentat. The inherent strain value is estimated based on process parameters and physical properties of selected material, the effective area and the structural clamping positions. The residual stress and deformation result predicted using ISM are to be compared with thermo-mechanical numerical simulation which is executed under consideration of temperature dependent isotropic hardening rule and heat source model using model Goldak’s double ellipsoid. Further, computational time between these two methods are to be compared. It can be concluded that ISM is very potential to be implemented to predict residual stress and distortion with short computational time.
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Acknowledgements
The authors would like to express their gratitude to staff member of Smart Manufacturing Research Institute (SMRI), Research Interest Group: Advanced Manufacturing Technology (RIG:AMT) and Advanced Manufacturing Technology Excellence Centre (AMTEx) at Faculty of Mechanical Engineering, Universiti Teknologi MARA (UiTM) for encouraging this research. This research and conference participation are also financially supported by ASEA-UNINET grant with the project number ASEA 2019/Montan/1, ERASMUS+ (Montan University in Leoben) and Technogerma Engineering and Consulting Sdn. Bhd.
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Ahmad, S.N., Manurung, Y.H.P., Taufek, T., Leitner, M. (2021). Numerical Simulation on Residual Stress and Substrate Deformation of Bead-On-Plate of SS316L Using Inherent Strain Method. In: Osman Zahid, M.N., Abdul Sani, A.S., Mohamad Yasin, M.R., Ismail, Z., Che Lah, N.A., Mohd Turan, F. (eds) Recent Trends in Manufacturing and Materials Towards Industry 4.0. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-9505-9_65
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DOI: https://doi.org/10.1007/978-981-15-9505-9_65
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