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| Home > Publications database > Energy- and material-efficient Ti-6Al-4V sheet part fabrication by the novel TISTRAQ-process, including resistance heating and tool-based quenching: Insights into test stand design and material potential |
| Home > Publications database > Energy- and material-efficient Ti-6Al-4V sheet part fabrication by the novel TISTRAQ-process, including resistance heating and tool-based quenching: Insights into test stand design and material potential |
| Journal Article | PUBDB-2025-04295 |
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2025
Elsevier
Amsterdam
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Please use a persistent id in citations: doi:10.1016/j.msea.2025.149015 doi:10.3204/PUBDB-2025-04295
Abstract: Sustainable and lightweight manufacturing processes are essential for reducing greenhouse gas emissions andconserving resources. The novel TISTRAQ-process combines a two-stage, short-time heat treatment with anadvanced heating and non-isothermal hot forming strategy, thereby ensuring high material and energy efficiency.In this work, a simplified laboratory-scale test stand was developed, enabling direct electric resistanceheating and subsequent tool-based quenching of Ti-6Al-4V sheet strips under near-process conditions, butwithout the complexity of simultaneous forming. The setup allows systematic variation of key process parameterswith minimal material consumption, an approach applied in this study to investigate their influence on materialproperties. Finite element simulations supported the test stand design and provided a valuable understanding oftemperature inhomogeneities and their relevance for microstructural evolution and process control. The paperprovides detailed insights into (i) the design and capabilities of the test stand, (ii) simulation-based evaluation oftemperature homogeneity, (iii) the TISTRAQ process route - including resistance heating, tool-based quenching,and additional short-time annealing, (iv) the resulting microstructural and mechanical properties, and (v) thematerial response to critical parameters. Experimental results confirm the high potential of the TISTRAQ-processto enhance the tensile strength of Ti-6Al-4V. The solution heat treatment temperature and time delay prior toquenching were identified as critical parameters due to their strong influence on microstructure and mechanicalbehavior. Overall, the study demonstrates how tailored process control can unlock the material potential ofTi-6Al-4V. It also indicates a good scalability of the TISTRAQ-process for lightweight, resource-efficient productionof next-generation titanium alloy sheet parts.
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