This project will investigate process improvements that induce optimal strength-ductility balance in reinforcing construction steel products. After developing and understanding these property relationships, the team will design alloys to maximise the product performance and conduct up-scaling industrial trials within InfraBuild Manufacturing. The product advancements will provide the construction industry with greater performance and reliability.
Over a number of years, InfraBuild have explored a thermo-mechanical process to simultaneously increase the strength (yield and ultimate) and ductility of reinforcing steel product. Recent research with Deakin has focussed on understanding the microstructural origin of this simultaneous property enhancement. There is impetus now to depart from a batch version of this process towards an in-line process. Due to processing constraints (runout length), the aging treatment time is required to be as short as possible (<1 min). For this reason, rapid induction heating will be explored in this research. The most significant challenge to the commercial adoption of this static aging process is the relative kinetics of dislocation recovery (ductility) and solute clustering (strengthening).
This project will investigate process improvements that induce optimal strength-ductility balance in reinforcing construction steel products. After developing and understanding these property relationships, the team will design alloys to maximise the product performance and conduct up-scaling industrial trials within InfraBuild Manufacturing. The product advancements will provide the construction industry with greater performance and reliability. The Project Team consists of Deakin’s A/Prof Daniel Fabijanic, and Infrabuild Manufacturing’s Innovation and Intellectual Property Manager Dr Robert Fabien and Associate Researchers Graeme McGregor, Anthony Ng, Greg Morris, and Sharmy Francis. A Post-doctoral Research Fellow will be employed to drive the delivery of the research outcomes.
University of Wollongong
A/Prof Fabijanic is a metallurgist with a specialisation in the research fields of surface engineering, surface degradation of metals, metal additive manufacturing, and high entropy alloys. The main thrust of the research is understand the mechanisms of surface related failure (wear, oxidation and corrosion) in metals and to develop novel surface modifications to counter these degradation mechanisms. Examples include laser cladding high entropy alloys on superalloys for high temperature oxidation resistance (ARC IIRH Additive manufacturing and AISRF grant), high entropy metal matrix composite claddings for extreme wear environments (ARC IITC mineAlloy), and the design of surface modifications for titanium to resist erosion/corrosion in the extreme environments of hydrometallurgy reactors (CRCp).
In the ARC Steel Hub he leads research conducted in partnership with InfraBuild Wire and Manufacturing focussed on novel thermo-mechanical processing routes to create high strength reinforcement bar, and on developing new hot dip zinc coatings and processes for wire product.
Dr Sheng Chew is a Senior Technology & Development Engineer in BlueScope Iron & Steelmaking Technology with postgraduate technical and business qualifications. He has over 20 years’ experience in the steel industry covering the primary operations value chain from raw materials through to secondary steelmaking. Throughout this time he has continued to support and participate in collaborative research.
As Program Leader (Industry) in the Sustainable Steel Manufacturing program of the Steel Research Hub, Dr Chew provides both business and research vision and leadership.