Sahar Ghatrehsamani | Engineering | Best Scholar Award

Dr. Sahar Ghatrehsamani | Engineering | Best Scholar Award

Postdoctoral at Isfahan University of Technology, Iran

Dr. Sahar Ghatrehsamani is a passionate mechanical engineer specializing in tribology, with a strong background in machine learning and surface engineering. She earned her Ph.D. in Mechanical Engineering from Isfahan University of Technology (IUT), Iran (2022) and is currently a postdoctoral researcher at IUT, applying AI techniques to predict the tribological behavior of agricultural machinery. With expertise in CAD, FEA, and statistical analysis, she has contributed significantly to teaching, research, and mentoring students. Her work intersects materials science, additive manufacturing, and precision agriculture, making her a versatile and innovative researcher. ๐ŸŒ๐Ÿ”ฌ

Professional Profile:

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Education & Experience

๐Ÿ“š Education:

  • ๐ŸŽ“ Ph.D. in Mechanical Engineering (Tribology) โ€“ Isfahan University of Technology, Iran (2017-2022)

  • ๐ŸŽ“ M.Sc. in Mechanical Engineering (Tribology) โ€“ Isfahan University of Technology, Iran (2015-2017)

  • ๐ŸŽ“ B.Sc. in Mechanical Engineering (Biosystem) โ€“ Shahrekord University, Iran (2009-2013)

๐Ÿ”ฌ Experience:

  • ๐Ÿ” Postdoctoral Researcher โ€“ Isfahan University of Technology, Iran (2024-Present)

  • ๐Ÿ‘ฉโ€๐Ÿซ Teaching Experience โ€“ Multiple undergraduate courses in mechanical engineering at IUT (2018-Present)

  • ๐Ÿค Co-Advisor โ€“ 2 Master’s & 6 Bachelor’s students

Professional Development

Dr. Sahar Ghatrehsamani is dedicated to research, teaching, and innovation in mechanical engineering, particularly in tribology, surface engineering, and AI-driven modeling. She has actively mentored students, guided research projects, and developed expertise in CAD, numerical simulation, and data analysis. Her teaching career at Isfahan University of Technology spans multiple engineering courses, and she has consistently ranked highly in teaching evaluations. Passionate about bridging the gap between mechanical engineering and materials science, she explores new technologies in additive manufacturing and precision agriculture to enhance sustainability and performance. ๐Ÿšœ๐Ÿ› ๏ธ

Research Focus

Dr. Sahar Ghatrehsamani’s research spans multiple engineering domains, focusing on:

  • ๐ŸŽ๏ธ Tribology โ€“ Studying friction, wear, and lubrication for various applications

  • ๐Ÿญ Surface Engineering โ€“ Enhancing material properties for durability and efficiency

  • ๐Ÿค– Machine Learning & AI โ€“ Applying predictive modeling in tribological behavior and material design

  • ๐Ÿ— Mechanical Behavior of Materials โ€“ Understanding stress, strain, and failure mechanics

  • ๐Ÿšœ Precision Agriculture โ€“ Developing efficient and smart agricultural machinery

  • ๐Ÿ–จ๏ธ Additive Manufacturing โ€“ Investigating 3D printing & advanced manufacturing

  • ๐Ÿ“Š Data Analysis & Numerical Modeling โ€“ Integrating simulation techniques for engineering solutions

Awards & Honors

Teaching Excellence:

  • ๐ŸŽ–๏ธ Ranked 1st in Mechanical Engineering Group (2021)

  • ๐Ÿ… Ranked 2nd in College of Engineering (2021)

  • ๐Ÿ† Ranked 13th among 569 faculty members at IUT (2021)

Research Contributions:

  • ๐Ÿ“œ Published multiple high-impact research papers in tribology and AI modeling

  • ๐ŸŒ Contributed to international collaborations in mechanical engineering research

๐Ÿš€ Her dedication to education, research, and innovation has established her as a rising expert in tribology and machine learning!

Publication Top Notes

  1. On the running-in nature of metallic tribo-components: A review

    • Authors: M.M. Khonsari, S. Ghatrehsamani, S. Akbarzadeh

    • Journal: Wear (Vol. 474, 2021)

    • Citations: 113

    • Summary: A comprehensive review of the running-in phase in metallic tribo-systems, examining the changes in friction, wear, and surface topography over time.

  2. Experimentally verified prediction of friction coefficient and wear rate during running-in dry contact

    • Authors: S. Ghatrehsamani, S. Akbarzadeh, M.M. Khonsari

    • Journal: Tribology International (Vol. 170, 2022)

    • Citations: 41

    • Summary: Experimental validation of predictive models for friction and wear rate during the running-in phase under dry contact conditions.

  3. Experimental and numerical study of the running-in wear coefficient during dry sliding contact

    • Authors: S. Ghatrehsamani, S. Akbarzadeh, M.M. Khonsari

    • Journal: Surface Topography: Metrology and Properties (Vol. 9, Issue 1, 2021)

    • Citations: 25

    • Summary: Investigates the wear coefficient during dry sliding contact using both experimental methods and numerical simulations.

  4. Predicting the wear coefficient and friction coefficient in dry point contact using continuum damage mechanics

    • Authors: S. Ghatrehsamani, S. Akbarzadeh

    • Journal: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology (2019)

    • Citations: 23

    • Summary: Develops a predictive framework for wear and friction coefficients in dry point contact using continuum damage mechanics.

  5. Application of continuum damage mechanics to predict wear in systems subjected to variable loading

    • Authors: S. Ghatrehsamani, S. Akbarzadeh, M.M. Khonsari

    • Journal: Tribology Letters (Vol. 69, 2021)

    • Citations: 15

    • Summary: Extends continuum damage mechanics principles to predict wear in tribological systems under varying load conditions.

Conclusion

Sahar Ghatrehsamani is a strong candidate for the Best Scholar Award. Her contributions to tribology, AI-driven material predictions, and mechanical behavior research are significant. She excels in both academic and applied research, making notable interdisciplinary advancements. Given her teaching excellence, mentorship, and research output, she is highly deserving of recognition as a leading researcher in her field.

Muhammad Umar Khan | Engineering | Best Researcher Award

Dr. Muhammad Umar Khan | Engineering | Best Researcher Award

Chairman at Qurtuba University of Science and Information Technology, Pakistan

Dr. Muhammad Umar Khan is a distinguished scholar and leader in civil engineering, serving as the Chairman of the Department of Civil Engineering and Technology at Qurtuba University of Science and Information Technology, Pakistan. With a career spanning over a decade, he has made significant contributions to the fields of structural engineering and advanced construction materials. Dr. Khanโ€™s work in ultra-high-performance concrete (UHPC) has garnered international recognition, particularly for its innovative applications in harsh environmental conditions. His research reflects a blend of academic excellence and practical relevance, making him a key contributor to advancements in engineering technology.

Professional Profile

Education

Dr. Muhammad Umar Khan holds a Ph.D. in Civil Engineering (Structures) from King Fahd University of Petroleum and Minerals (KFUPM), Saudi Arabia, completed in April 2019. His academic journey reflects consistent excellence, as he earned distinctions in his Bachelorโ€™s and Masterโ€™s degrees in Structural Engineering. He was awarded fully funded scholarships for his MS and Ph.D. studies due to exceptional academic performance. During his doctoral studies, Dr. Khan focused on the development and characterization of ultra-high-performance concrete (UHPC), pioneering its application using locally sourced materials in the Gulf region.

Professional Experience

Dr. Khan is the Chairman of the Department of Civil Engineering and Technology at Qurtuba University of Science and Information Technology, Pakistan. With over 10 years of university-level teaching and research experience, he has contributed significantly to the academic and professional development of his field. Dr. Khan has led multiple consultancy and industry projects, collaborating with prestigious organizations such as Saudi Aramco and the Royal Commission of Jubail. His work spans the design and analysis of reinforced concrete structures, finite element modeling, and the application of advanced materials in construction.

Research Interests

Dr. Khanโ€™s research interests focus on advanced construction materials, particularly UHPC, high-performance hybrid materials, and nuclear radiation shielding concrete. He is also deeply involved in finite element analysis, structural damage modeling, and service life prediction of reinforced concrete structures. His pioneering work in UHPC has resulted in innovations applicable to futuristic construction challenges, including durability, resilience, and environmental adaptability.

Awards and Honors

Dr. Khan has earned numerous accolades throughout his career. He was a recipient of a prestigious fellowship at KFUPM and has been recognized for his groundbreaking research in UHPC, including three US patents under development. With over 280 citations, his research has gained international recognition. As a team leader, he has driven projects addressing industry challenges, showcasing his ability to blend academic rigor with practical application. His contributions continue to make an impact on structural engineering and advanced material research worldwide.

Conclusion

Dr. Muhammad Umar Khan is a strong contender for the Best Researcher Award. His pioneering work in advanced construction materials and substantial academic achievements make him highly suitable for the recognition. However, to solidify his position as a global leader, he could focus on enhancing his research’s societal impact, broader outreach, and professional engagements. Overall, his contributions signify exceptional innovation and dedication to advancing civil and structural engineering.

Publications Top Noted

๐Ÿ“„ Effect of Fiber Content on the Performance of UHPC Slabs Under Impact Loading – Experimental and Analytical Investigation

  • Authors: Khan, M.U., Ahmad, S., Al-Osta, M.A., Algadhib, A.H., Al-Gahtani, H.J.
  • Year: 2023
  • Citations: 3

๐Ÿ“„ Role of Casting and Curing Conditions on the Strength and Drying Shrinkage of Greener Concrete

  • Authors: Nasir, M., Adesina, A., Ibrahim, M., Maslehuddin, M., Alotaibi, K.S.
  • Year: 2022
  • Citations: 0

๐Ÿ“„ Prediction of Strength of Plain and Blended Cement Concretes Cured Under Hot Weather Using Quadratic Regression and ANN Tools

  • Authors: Nasir, M., Gazder, U., Khan, M.U., Maslehuddin, M., Al-Amoudi, O.S.B.
  • Year: 2022
  • Citations: 5

๐Ÿ“„ Properties of High-Density Ultra-High-Performance Concrete Containing Hematite Powder as a Partial Replacement of Sand

  • Authors: Ahmad, S., Khan, M.U., Al-Gahtani, H.J., Al-Dulaijan, S.U.
  • Year: 2022
  • Citations: 3

๐Ÿ“„ Shielding Performance of Heavy-Weight Ultra-High-Performance Concrete Against Nuclear Radiation

  • Authors: Khan, M.U., Ahmad, S., Naqvi, A.A., Al-Gahtani, H.J.
  • Year: 2020
  • Citations: 54

๐Ÿ“„ Chloride-Induced Corrosion of Steel in Concrete: An Overview on Chloride Diffusion and Prediction of Corrosion Initiation Time

  • Authors: Khan, M.U., Ahmad, S., Al-Gahtani, H.J.
  • Year: 2017
  • Citations: 116

Alex Chandraraj | Engineering | Excellence in Research

Dr. Alex Chandraraj | Engineering | Excellence in Research

Dr. Alex Chandraraj, Kieluniversity, Germany

Dr. Alex Chandraraj is a post-doctoral fellow at Christian-Albrechts-Universitรคt zu Kiel, Germany. He holds a Ph.D. in Physics, specializing in condensed matter physics and materials science. His research focuses on advanced materials, nanostructures, and their applications in renewable energy technologies. Dr. Chandraraj has authored several peer-reviewed publications in prestigious scientific journals and has presented his work at international conferences. He is dedicated to exploring innovative solutions to global energy challenges through material science.

PROFILE

Orcid Profile

Educational Details

Dr. Chandraraj earned his Ph.D. in Chemistry, specializing in electro-catalysis, from the Centre for Nano and Soft Matter Sciences, Bangalore, in 2022. His thesis, titled “Nanomaterials for Electrochemical Water Activation,” was supervised by Dr. Neena Susan John. He also holds an M.Sc. (2014) and B.Sc. (2012) in Chemistry from S.T. Hindu College, Nagercoil, affiliated with Manonmaniam Sundaranar University, where he was a university rank holder in both degrees.

Professional Experience

Dr. Alex Chandraraj has extensive experience in the field of electro-catalysis, having worked on various research projects focused on advanced nanomaterials and sustainable energy applications. Since February 2024, he has been a Post-doctoral Fellow at Christian-Albrechts-Universitรคt zu Kiel, Germany, where he focuses on modifying nickel surfaces through wet-chemical deposition as part of the PrometH2eus project. His work aims to enhance the performance of nickel-based catalysts for energy-efficient applications. Prior to this, from August 2023 to January 2024, he was a Guest Researcher at the same institution, where he investigated oxide interface structures under real-time reaction conditions using operando surface X-ray diffraction techniques. Between February 2022 and July 2023, he served as a Project Associate at the Centre for Nano and Soft Matter Sciences in Bangalore, where he developed and characterized high-valent nickel-based electrocatalysts for urea electrolysis, emphasizing hydrogen production and energy efficiency. Additionally, as a Research Associate from August 2022 to January 2023, Dr. Chandraraj contributed to the development of nanomaterials for catalytic processes and renewable energy applications. His diverse research background underscores his expertise in electro-catalysis and nanomaterials for clean energy technologies.

Researchย  Interest

Dr. Alex Chandraraj’s research focuses on electro-catalysis and advanced nanomaterials, with a particular emphasis on sustainable energy solutions. His work explores the use of nanomaterials and metal oxides in water splitting and electrochemical water activation, aiming to improve the efficiency of hydrogen production through oxygen and hydrogen evolution reactions. He is also deeply involved in urea electrolysis, where he investigates high-valent nickel-based catalysts to develop cost-effective and energy-efficient processes for hydrogen production from urea-based waste. Additionally, Dr. Chandraraj’s research addresses nitrate and oxygen reduction reactions by tuning metal oxidation states in catalyst systems, optimizing their performance for environmental and energy applications. His broader goal is to innovate in renewable energy by developing advanced nanomaterials and surface modifications that enhance the efficiency and durability of catalysts used in clean energy technologies.

Top Notable Publications

“Role of active redox sites and charge transport resistance at reaction potentials in spinel ferrites for improved oxygen evolution reaction”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2024

Journal: Journal of Electroanalytical Chemistry

DOI: 10.1016/j.jelechem.2024.118613

“Unfolding the Significance of Regenerative Active Species in Nickel Hydroxide-Based Systems for Sustained Urea Electro-Oxidation”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2024

Journal: Chemistry of Materials

DOI: 10.1021/acs.chemmater.3c03062

“In-situ generated Ni(OH)2 on chemically activated spent catalyst sustains urea electro-oxidation in extensive alkaline conditions”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2024

Journal: International Journal of Hydrogen Energy

DOI: 10.1016/j.ijhydene.2024.01.339

“Evidence for Exclusive Direct Mechanism of Urea Electro-Oxidation Driven by In Situ-Generated Resilient Active Species on a Rare-Earth Nickelate”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2024

Journal: ACS Catalysis

DOI: 10.1021/acscatal.3c04967

“Spontaneous decoration of Ultrasmall Pt Nanoparticles on sizeโ€separated MoS2 nanosheets”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2023

Journal: Chemistry โ€“ A European Journal

DOI: 10.1002/chem.202301596

“Probing the Evolution of Active Sites in MoO2 for Hydrogen Generation in Acidic Medium”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2023

Journal: ACS Applied Energy Materials

DOI: 10.1021/acsaem.3c00320

“Hydrogen and Hydrocarbons as Fuel”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2022

Book Chapter: Green Energy Harvesting: Materials for Hydrogen Generation and Carbon Dioxide Reduction

DOI: 10.1002/9781119776086.ch2

“Remarkable COx tolerance of Ni3+ active species in a Ni2O3 catalyst for sustained electrochemical urea oxidation”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2022

Journal: Journal of Materials Chemistry A

DOI: 10.1039/D1TA05753G

“Role of Metal Ion Sites in Bivalent Cobalt Phosphorus Oxygen Systems toward Efficient Oxygen Evolution Reaction”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2021

Journal: The Journal of Physical Chemistry C

DOI: 10.1021/acs.jpcc.1c05614

“Introduction of surface defects in NiO with effective removal of adsorbed catalyst poisons for improved electrochemical urea oxidation”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2021

Journal: Electrochimica Acta

DOI: 10.1016/j.electacta.2021.138425

“Competing Effect of Co3+ Reducibility and Oxygen-Deficient Defects Toward High Oxygen Evolution Activity in Co3O4 Systems in Alkaline Medium”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2020

Journal: ACS Applied Energy Materials

DOI: 10.1021/acsaem.0c00297

“A general route to free-standing films of nanocrystalline molybdenum chalcogenides at a liquid/liquid interface under hydrothermal conditions”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2020

Journal: Applied Surface Science

DOI: 10.1016/j.apsusc.2020.145579

“Nickel Cobalt Phosphite Nanorods Decorated with Carbon Nanotubes as Bifunctional Electrocatalysts in Alkaline Medium with a High Yield of Hydrogen Peroxide”

Authors: Chandraraj Alex, [additional authors not provided]

Year: 2020

Journal: ChemElectroChem

DOI: 10.1002/celc.202000176