Abstract
Cold-drawn pearlitic steel wires exhibit exceptionally high strengths in the range of 2–6 GPa due to extensive refinement in interlamellar spacing. They also exhibit a loss in ductility due to the high dislocation density and residual stresses that they accumulate during wire drawing. Hence, they are subjected to stress-relieving annealing treatments during which they undergo further microstructural changes. The aim of this work is to investigate the effect of annealing conditions on the mechanical properties and microstructure of the wires using tension, torsion, and notch toughness tests. The deformation and fracture behavior is then correlated to its evolving microstructure to determine strategies to enhance their damage tolerance.
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Acknowledgements
The authors would like to acknowledge the TATA GLOBAL WIRES (Boisar) for providing the pearlitic steel wires for this study. They would like to thank the CoEST and FIST Lab facilities in the Department of MEMS for providing equipment for the study and Mr. Soudip Basu, Dr. Akula Durga Vara Prasad, and Mr. Nidhin George Mathews for assisting with the experiments. They also acknowledge the financial support for this study from the Max Planck Partner Group project.
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Bhusare, S.P., Jaya, B.N. (2020). Deformation and Fracture Behavior of Cold-Drawn Pearlitic Steel Wires After Heat Treatment. In: Prakash, R., Suresh Kumar, R., Nagesha, A., Sasikala, G., Bhaduri, A. (eds) Structural Integrity Assessment. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-8767-8_15
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DOI: https://doi.org/10.1007/978-981-13-8767-8_15
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