Dr Jiahui Qi

School of Chemical, Materials and Biological Engineering

Experimental Officer, Electron Microscopy

Jiahui.qi@sheffield.ac.uk
+44 114 222 5980

North Campus

Full contact details

Dr Jiahui Qi
School of Chemical, Materials and Biological Engineering
North Campus
Broad Lane
Sheffield
S3 7HQ

Profile: Dr Jiahui Qi is a materials scientist, microscopist, and chemical engineer. Jiahui was trained as an engineer and chemist and has obtained a Masters Degree (Sichuan University 2002) and PhD (Sheffield University 2011) in Chemical Engineering. With over 10 years of experience in academia and industry, Jiahui has developed expertise in various areas, including crystallization, materials characterization, corrosion, and tribology. Her research focuses on utilizing advanced electron microscopy and other cutting-edge techniques for characterizing material degradation processes due to mechanical impacts, chemical reactions, and corrosion in both toxic and conventional environments.

Publications

Journal articles

Qi J, Cole T, Foster A & Rainforth WM (2024) Tribocorrosion behaviour of CoCrMo in simulated body fluid under anaerobic conditions. Wear, 556-557, 205523-205523.
Tao X, Yang Y, Qi J, Cai B, Rainforth WM, Li X & Dong H (2024) An investigation on nitrogen uptake and microstructure of equimolar quaternary FeCoNiCr high entropy alloy after active-screen plasma nitriding. Materials Characterization, 208, 113593-113593.
Rodriguez Lago P, Nutter J, Qi J, Stewart D & Rainforth WM (2023) Characterisation of the wear and friction behaviour of laser deposited cobalt and iron-based hardfacing alloys for nuclear applications. Wear, 524-525, 204829-204829.
Tao X, Yang Y, Qi J, Cai B, Rainforth WM, Li X & Dong H (2023) Active screen plasma nitriding of a Si-alloyed FeCrNi medium entropy alloy: High interstitial absorption and an anomalous Si-induced decomposition mechanism in N-expanded austenite. Applied Surface Science, 624, 157137-157137.
Gong P, Leong Z, Qi J, Kwok TWJ, Nutter J, Azakli Y, Zhou L, Palacin R, Davis C, Goodall R , Morley N et al (2023) Composition and phase structure dependence of magnetic properties for Co2FeCr0.5Alx (x=0.9, 1.2) multi principal component alloys. Acta Materialia, 256. View this article in WRRO
Nutter J, Qi J, Farahani H, Rainforth WM & van der Zwaag S (2023) In situ TEM observations of the growth of bainitic ferrite in an Fe-0.3C-3Mn-1.5Si-0.15Mo steel. Acta Materialia, 252, 118924-118924.
Qi J, Ma L, Gong P & Rainforth WM (2023) Investigation of the wear transition in CoCrMo alloys after heat treatment to produce an HCP structure. Wear, 518-519, 204649-204649.
Hovsepian PE, Sugumaran AA, Rainforth M, Qi J, Khan I & Ehiasarian AP (2022) Microstructure and load bearing capacity of TiN/NbN superlattice coatings deposited on medical grade CoCrMo alloy by HIPIMS. Journal of the Mechanical Behavior of Biomedical Materials, 132, 105267-105267.
Qi J, Guan D, Nutter J, Wang B & Rainforth WM (2022) Insights into tribofilm formation on Ti-6V-4Al in a bioactive environment: Correlation between surface modification and micro-mechanical properties. Acta Biomaterialia, 141, 466-480.
Xu Y, Qi J, Nutter J, Sharp J, Bai M, Ma L & Rainforth WM (2021) Correlation between the formation of tribofilm and repassivation in biomedical titanium alloys during tribocorrosion. Tribology International, 163, 107147-107147.
Al-Qahtani N, Qi J, Abdullah AM, Laycock NJ & Ryan MP (2021) Formation and Structure of Sulfide Deposits on Carbon Steel Under Free Corrosion Potential. Corrosion, 77(11), 1164-1177.
Namus R, Nutter J, Qi J & Rainforth WM (2021) Sliding speed influence on the tribo-corrosion behaviour of Ti6Al4V alloy in simulated body fluid. Tribology International, 160, 107023-107023.
Tao X, Qi J, Rainforth M, Matthews A & Leyland A (2020) On the interstitial induced lattice inhomogeneities in nitrogen-expanded austenite. Scripta Materialia, 185, 146-151. View this article in WRRO
Zhu J, Qi J, Guan D, Ma L & Dwyer-Joyce R (2020) Tribological behaviour of self-lubricating Mg matrix composites reinforced with silicon carbide and tungsten disulfide. Tribology International, 146. View this article in WRRO
Namus R, Nutter J, Qi J & Rainforth WM (2020) The influence of protein concentration, temperature and cathodic polarization on the surface status of CoCrMo biomedical grade alloys. Applied Surface Science, 499. View this article in WRRO
Al-Qahtani N, Qi J, Abdullah AM, Laycock N & Ryan MP (2019) Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media. ECS Meeting Abstracts, MA2019-02(9), 790-790.
Sk MH, Qi J, Al-Qahtani N, Abdullah AM, Laycock N, Ryan MP & Williams DE (2019) Erratum: Effect of Trace H₂S on the Scale Formation Behavior in a Predominant CO₂ Environment under Hydrodynamic Control: Role of Cr/Mo Micro-Alloying in Plain Carbon Steel [J. Electrochem. Soc., 166, C3233 (2019)]. Journal of The Electrochemical Society, 166(10), X3-X3.
Sk MH, Qi J, Abdullah AM, Laycock N, Ryan MP & Williams DE (2019) Effect of Trace H₂S on the Scale Formation Behavior in a Predominant CO₂ Environment under Hydrodynamic Control: Role of Cr/Mo Micro-Alloying in Plain Carbon Steel. Journal of The Electrochemical Society, 166(11), C3233-C3240.
Al-Qahtani N, Qi J, Abdullah AM, Laycock N & Ryan MP (2018) Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour media. ECS Meeting Abstracts, MA2018-02(10), 570-570.
Sk MH, Abdullah AM, Qi J, Ko M, Ingham B, Laycock N, Ryan MP & Williams DE (2018) The Effects of Cr/Mo Micro-Alloying on the Corrosion Behavior of Carbon Steel in CO₂-Saturated (Sweet) Brine under Hydrodynamic Control. Journal of The Electrochemical Society, 165(5), C278-C288.
Al-Qahtani N, Qi J, Abdullah AM, Laycock N & Ryan MP (2017) Sulfide Scaling and Corrosion of Carbon Steel in a Sour Medium. ECS Meeting Abstracts, MA2017-02(9), 695-695.
Song W, Lischner J, Rocha VG, Qin H, Qi J, Hadden JHL, Mattevi C, Xie F & Riley DJ (2017) Tuning the Double Layer of Graphene Oxide through Phosphorus Doping for Enhanced Supercapacitance. ACS Energy Letters, 2(5), 1144-1149.
Pramana SS, Cavallaro A, Qi J, Nicklin CL, Ryan MP & Skinner SJ (2017) Understanding surface structure and chemistry of single crystal lanthanum aluminate. Scientific Reports, 7(1).
Van Veelen A, Preedy O, Qi J, Law GTW, Morris K, Mosselmans JFW, Ryan MP, Evans NDM & Wogelius RA (2014) Uranium and technetium interactions with wüstite [Fe_1–xO] and portlandite [Ca(OH)₂] surfaces under geological disposal facility conditions. Mineralogical Magazine, 78(5), 1097-1113.
Corkhill CL, Myllykyla E, Bailey DJ, Thornber SM, Qi J, Maldonado P, Stennett MC, Hamilton A & Hyatt NC (2014) Contribution of Energetically Reactive Surface Features to the Dissolution of CeO2 and ThO2 Analogues for Spent Nuclear Fuel Microstructures. ACS Applied Materials and Interfaces, 6(15), 12279-12289. View this article in WRRO
Chen C-L, Qi J, Zuckermann RN & DeYoreo JJ (2011) Engineered Biomimetic Polymers as Tunable Agents for Controlling CaCO₃ Mineralization. Journal of the American Chemical Society, 133(14), 5214-5217.
Yang LJ, Shen XL, Qi JH & Zhang YX (2005) Study on CaCO3 crystallization in K2SO4 production by two-step conversion of gypsum. Huaxue Gongcheng/Chemical Engineering (China), 33(3), 8-12.
Yang LJ, Qi JH, Zhang YX & Shen XL (2004) Study on K2SO4 crystallization in potassium sulfate production by two-step conversion of gypsum. Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities, 18(1), 89-93.
Meyer N, Rivera L, Ellis T, Qi J, Ryan M & Boccaccini A () Bioactive and Antibacterial Coatings Based on Zein/Bioactive Glass Composites by Electrophoretic Deposition. Coatings, 8(1), 27-27.
Calì E, Qi J, Preedy O, Chen S, Boldrin D, Branford WR, Vandeperre L & Ryan MP () Functionalised magnetic nanoparticles for uranium adsorption with ultra-high capacity and selectivity. Journal of Materials Chemistry A, 6(7), 3063-3073.
Chen C-L, Qi J, Tao J, Zuckermann RN & DeYoreo JJ () Tuning calcite morphology and growth acceleration by a rational design of highly stable protein-mimetics. Scientific Reports, 4(1).

Conference proceedings papers

Alqahtani N, Qi J, Abdullah AM, Laycock NJ & Ryan MP (2020) The Formation of Sulfide Scales on Carbon Steel in Saturated H2S. University of the Future: Re-Imagining Research and Higher Education
Al-Qahtani N, Qi J, Abdullah AM, Laycock NJ & Ryan MP (2018) Nanoscale studies of the early stages of scale formation in sour environments. NACE - International Corrosion Conference Series, Vol. 2018-April
Lockyer S, Roberts S, Strangwood M, Qi J, Thandi S, Davis S & Jepson MAE () Improvements in Creep Ductility of the UK Cast MarBN Steel, IBN-1. Advances in Materials Technology for Power Plants, Vol. 84871 (pp 623-634), 15 October 2024 - 18 October 2024.

Preprints

Nutter J, Qi J, Farahani H, Rainforth M & van der Zwaag S () In Situ Tem Observations of the Growth of Bainitic Ferrite in an Fe-0.3c-3Mn-1.5Si-0.15Mo Steel.