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Finite Element Modeling of Thermal Residual Stresses generated during EDM of AISI 1018 Steel
https://orcid.org/http://orcid.org/0000-0003-4082-7654
The spark discharges produced during electric discharge machining (EDM) process results in the generation of a huge amount of temperature and thermal stresses in the workpiece as well as the tool electrode. The thermal residual stresses originated in the workpiece are responsible for abrupt failure of the component due to declining fatigue life. The current study focuses on the prediction of temperature and stresses that are produced during spark discharges on AISI 1018 steel surface with the aid of a finite element model. The model could predict the peak temperature and stresses that are generated on the workpiece surface after EDM cutting. It was further noted that the thermally induced stresses not only affect the workpiece surface but also affected into larger depths with increasing pulse energy. Both compressive and tensile stresses were observed on the machined surface. Minimization of temperature and residual stresses generated during EDM operation by optimizing the input conditions could surely reduce the risk of component failure and lead to better machining efficiency.
Finite Element Modeling of Thermal Residual Stresses generated during EDM of AISI 1018 Steel
https://orcid.org/http://orcid.org/0000-0003-4082-7654
The spark discharges produced during electric discharge machining (EDM) process results in the generation of a huge amount of temperature and thermal stresses in the workpiece as well as the tool electrode. The thermal residual stresses originated in the workpiece are responsible for abrupt failure of the component due to declining fatigue life. The current study focuses on the prediction of temperature and stresses that are produced during spark discharges on AISI 1018 steel surface with the aid of a finite element model. The model could predict the peak temperature and stresses that are generated on the workpiece surface after EDM cutting. It was further noted that the thermally induced stresses not only affect the workpiece surface but also affected into larger depths with increasing pulse energy. Both compressive and tensile stresses were observed on the machined surface. Minimization of temperature and residual stresses generated during EDM operation by optimizing the input conditions could surely reduce the risk of component failure and lead to better machining efficiency.
Finite Element Modeling of Thermal Residual Stresses generated during EDM of AISI 1018 Steel
https://orcid.org/http://orcid.org/0000-0003-4082-7654
The spark discharges produced during electric discharge machining (EDM) process results in the generation of a huge amount of temperature and thermal stresses in the workpiece as well as the tool electrode. The thermal residual stresses originated in the workpiece are responsible for abrupt failure of the component due to declining fatigue life. The current study focuses on the prediction of temperature and stresses that are produced during spark discharges on AISI 1018 steel surface with the aid of a finite element model. The model could predict the peak temperature and stresses that are generated on the workpiece surface after EDM cutting. It was further noted that the thermally induced stresses not only affect the workpiece surface but also affected into larger depths with increasing pulse energy. Both compressive and tensile stresses were observed on the machined surface. Minimization of temperature and residual stresses generated during EDM operation by optimizing the input conditions could surely reduce the risk of component failure and lead to better machining efficiency.
Finite Element Modeling of Thermal Residual Stresses generated during EDM of AISI 1018 Steel
J. Inst. Eng. India Ser. C
Kumar, Saurav (Autor:in) / Das, Sanghamitra (Autor:in) / Joshi, Shrikrishna N. (Autor:in)
01.02.2022
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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