Dr Salaheddin Rahimi

Principal Knowledge Exchange Fellow

Advanced Forming Research Centre

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Personal statement

Salah leads the Materials and Residual Stress team at the University of Strathclyde’s Advanced Forming Research Centre (AFRC), one of the UK’s seven High Value Manufacturing Catapult Centres. He is an expert in measurements, modelling and control of residual stress and in the mechanical and microstructural characterisations of materials. A key theme of his research is to utilise advanced materials characterisation techniques combined with in-situ mechanical loading experiments to better understand how microstructure affects the mechanical response of materials. The results from these experiments are then used to validate finite element simulations. Salah’s previous research had focused on meso-scale fracture  and the behaviour of materials under service loads in critical environments, using advanced photography techniques and electron microscopy to determine how microstructural features interacts with cracks. More recently, he has focused on developing novel techniques for measurements of manufacturing induced residual stresses to control dimensional tolerance and part’s non-conformance during manufacturing, while retaining desired microstructure. Salah joined the University of Strathclyde in 2010 where he is currently a Principal Materials Fellow leading the Materials and Residual Stress Team with over 20 staff including Research Fellows, Research Associates and Manufacturing Engineers.  He is also supervising  PhD and EngD students at Strathclyde Engineering Doctorate Centre funded by EPSRC.

Dr Rahimi, is a Fellow of The Institute of Materials, Minerals and Mining (IOM3) and he is registered as a Chartered Engineer (CEng).

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Publications

Residual stress distributions in dissimilar titanium alloy diffusion bonds produced from powder using field-assisted sintering technology (FAST-DB)
Levano Blanch Oliver, Pope Jacob, Violatos Ioannis, Rahimi Salaheddin, Jackson Martin
Metallurgical and Materials Transactions A Vol 54, pp. 3578-3593 (2023)
https://doi.org/10.1007/s11661-023-07115-8
Miniaturised experimental simulation of open-die forging
Connolly David, Sivaswamy Giribaskar, Rahimi Salaheddin, Vorontsov Vassili
Journal of Materials Research and Technology Vol 26, pp. 3146-3161 (2023)
https://doi.org/10.1016/j.jmrt.2023.08.073
Evolution of microstructure in MLX®19 maraging steel during rotary friction welding and finite element modelling of the process
Banerjee Amborish, Da Silva Laurie, Rahimi Salah, Platts Andrew, Rahimi Salaheddin
Journal of Manufacturing Science and Engineering, Transactions of the ASME Vol 145 (2023)
https://doi.org/10.1115/1.4063090
Evolution of microstructure in MLX®19 maraging steel during rotary friction welding and finite element modelling of the process
Banerjee Amborish, Da Silva Laurie, Rahimi Salah, Platts Andrew, Rahimi Salaheddin
Journal of Manufacturing Science and Engineering, Transactions of the ASME Vol 145 (2023)
https://doi.org/10.1115/1.4063090
Optimisation of sample geometry for thermo-mechanical testing of precipitation hardenable nickel-based superalloys with an ETMT machine
King Michael, Rahimi Salah
Strain (2023)
https://doi.org/10.1111/str.12458
The evolution of abnormal grains during the heating stage of a post-weld solution treatment in a friction-stir-welded 2519 aluminium alloy
Zuiko Ivan S, Malopheyev Sergey, Rahimi Salah, Mironov Sergey, Kaibyshev Rustam
Metals Vol 13 (2023)
https://doi.org/10.3390/met13061033

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Professional Activities

17th International Conference on Advances in Experimental Mechanics
Keynote/plenary speaker
30/8/2023
World Titanium Conference 2023
Keynote/plenary speaker
12/6/2023
17th International Conference on Engineering StructuralIntegrity Asessment(ESIA17)
Keynote/plenary speaker
23/5/2023
Establishing a mechanism-based constitutive model for simulating superplastic forming in a near-α TA15 titanium alloy
Speaker
12/5/2023
PhD Viva
Examiner
30/3/2023
Feasibility study of residual stress measurement using phased ‎array ultrasonic method
Contributor
27/3/2022

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Projects

EPSRC Core equipment - Benchtop X-Ray Diffractometer
Neagu, Dragos (Principal Investigator) Hamilton, Andrea (Co-investigator) Craig, Gavin (Co-investigator) Ivaturi, Aruna (Co-investigator) Zhang, Xiaolei (Co-investigator) Inglezakis, Vasileios (Co-investigator) Fletcher, Ashleigh (Co-investigator) Roy, Sudipta (Co-investigator) Massabuau, Fabien (Co-investigator) Rahimi, Salaheddin (Co-investigator) Steedman, Andrew (Co-investigator)
The project aThe instrument is a Benchtop X-Ray Diffractometer, which is a device that can analyse the structure and composition of various materials. It can provide data on crystal and molecular structure, phase identification and quantification, and crystallite size and strain. It is suitable for a wide range of inorganic and organic materials in different forms, such as powders, films, or solids. The instrument is compact, fast, easy to use, and low-cost, making it ideal for routine and high-throughput analysis. It can support research in many fields, such as materials science, engineering, chemistry, energy, and healthcare.
The instrument was acquired through an EPSRC Core Equipment fund, with an internally allocated £64k from the University of Strathclyde
01-Jan-2023
Marine Vessel Lightweighting (MARILIGHT) Lead_06847
Rahimi, Salaheddin (Principal Investigator)
01-Jan-2023 - 30-Jan-2023
Robotic Ultrasonic System for In-situ Residual Stress Measurement in Metal ‎Additive Manufacturing
Walker, Joseph (Post Grad Student) Javadi, Yashar (Principal Investigator) Heidari, Hadi (Co-investigator) Rahimi, Salaheddin (Co-investigator)
Residual Stress (RS) in engineering components yields unexpected and dangerous structural ‎failures, and thus ‎represents a significant challenge to quality assurance in both welding and metal ‎Additive Manufacturing ‎‎(AM) processes. As automation in welding and AM becomes increasingly ‎prevalent in the Industry 4.0 ‎manufacturing paradigm, so the importance of quantifying RS will ‎grow. In this PhD project, a novel robotic ‎ultrasonic approach to measuring such RS, in-situ, will be developed using the Phased Array Ultrasonic Testing ‎‎(PAUT) system, to automate the deployment of the ‎measurement in manufacturing applications. For the first ‎time, it will allow truly in-situ ‎measurements of RS to be undertaken at the elevated temperatures associated ‎with welding and ‎metal AM manufacture. The ambition is to use this in-situ measurement system for safety-‎critical and Industry 4.0 applications, through 5G wireless integration of the robotic system, where the ‎conventional manual and destructive methods of RS ‎measurement are not applicable for high throughput and ‎automated production lines.‎
01-Jan-2022 - 30-Jan-2026
Doctoral Training Partnership 2020-2021 University of Strathclyde | Dogan, Gulsum
Vorontsov, Vassili (Principal Investigator) Evans, Dorothy (Co-investigator) Rahimi, Salaheddin (Co-investigator) Dogan, Gulsum (Research Co-investigator)
01-Jan-2022 - 01-Jan-2025
Physics informed machine learning (ML) for the numerical solution of complex multi-physics problems
Dolean Maini, Victorita (Principal Investigator) Rahimi, Salaheddin (Research Co-investigator) Pestana, Jennifer (Co-investigator) Ritos, Konstantinos (Co-investigator) Kamenický, Robin (Co-investigator) Tant, Katherine Margaret Mary (Co-investigator)
01-Jan-2021 - 30-Jan-2022
AFRC_DIRF_1586
Easton, David (Principal Investigator) Rahimi, Salaheddin (Co-investigator)
09-Jan-2021 - 30-Jan-2021

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Contact

Dr Salaheddin Rahimi
Principal Knowledge Exchange Fellow
Advanced Forming Research Centre

Email: salah.rahimi@strath.ac.uk
Tel: 534 5243