Chi Ma | Mechanical Design | Best Scholar Award

Assoc Prof Dr. Chi Ma β€Œ | Mechanical Design|Best Scholar AwardΒ 

Assoc Prof Dr at Chi Ma Chongqing University China

Dr. Ma Chi, an Associate Professor at Chongqing University, specializes in numerical control equipment. Over the past five years, he has authored or coauthored 40 SCI papers with an average impact factor of 6.7355, earning over 1700 citations. His research, published in top journals like Int. J. Mach. Tools Manuf. and ASME’s J. Manuf. Sci. E-T, has garnered significant academic and industrial acclaim. He holds more than 20 national invention patents, contributing to substantial economic and social benefits. Dr. Ma has led six major research projects and serves on several prestigious editorial and professional committees.





Ph.D. in Mechanical Engineering, Xi’an Jiaotong University (2012-2017) Advisor: Prof. Xuesong Mei. B.Eng. in Mechanical Design, Manufacture, and Automation, Xi’an Technological University (2008-2012)

✨ Work Experience

Postdoctoral Fellow / Associate Professor, Chongqing University (2018-Present) Lecturer, Chongqing University (2018-2020) Joint Ph.D. Student, University of California, Berkeley (2016-2017) Advisor: Prof. David B. Bogy

πŸ§‘β€πŸ”¬Research Interests

High-efficiency and precision processing, Thermal error prediction and compensation in machining equipment, Simulation modeling of machining errors, Topology optimization in cooling systems for machining tools

πŸ… Professional Achievements

Publications: Authored/coauthored 50 SCI papers, average impact factor: 6.7355 Key journals: Int. J. Mach. Tools Manuf., ASME’s J. Manuf. Sci. E-T, J. Manuf. Process., Mech. Syst. Signal Pr. Citations: Over 1700 on SCI. Patents: Holds over 20 national invention patents. Projects: Presided over six major scientific research projects including National Key Research and Development Plan projects Participated in multiple high-profile projects like National Defence Project, National Natural Science Foundation key projects. Awards: First Prize of Chongqing Municipal Scientific and Technological Progress First Prize of Technological Invention of Machinery Industry Silver Prize of the 24th China Patent Award

πŸ“Š Project Undertaking

I have presided over a total of six scientific research projects including the National Key Research and Development Plan projects, the National Natural Science Foundation of China (NSFC) top/youth projects, the Chongqing Natural Science Foundation top projects, the China Postdoctoral Science Foundation, and the Chongqing Municipal Overseas Returned Scholars Support Plan projects, and participated in two major special projects, the National Defence Project, the National Natural Science Foundation key projects, the 04 Scientific and Technological Major Special Projects, and the National Key Research and Development Plan projects, among others, for six projects.


Publications Top Notes πŸ“


  1. πŸ“„ Li M, Ma C*, Zeng S, et al. Cooling water jacket design of motorized spindle system using multi-objective topology optimization[J]. Applied Thermal Engineering, 2023, 224: 120112.
  2. πŸ“„ Li M, Zeng S, Hu J, Ma C*. Free-mounted cooling plate multi-objective topology optimization method towards precision machine tool heat dissipation An experimental and numerical study[J]. International Journal of Heat and Mass Transfer, 2023, 241: 124394.
  3. πŸ“„ Li M, Ma C*, Liu J, et al. Topology optimization design of cooling water jacket structure for high-speed spindle-bearing system[J]. Journal of Manufacturing Processes, 2023, 102: 1-22.
  4. πŸ“„ Li M, Ma C*, Liu J, et al. Thermal error prediction of precision boring machine tools based on extreme gradient boosting algorithm-improved sailed fish optimizer-bi-directional ordered neurons-long short-term memory neural network model and physical-edge-cloud system[J]. Engineering Applications of Artificial Intelligence, 2024, 127: 107278.
  5. πŸ“„ Luo F, Ma C*, Liu J, et al. Effect of gas-liquid phase change of axial rotating heat pipe on fluid-thermal-solid behaviors of high-speed spindle[J]. Applied Thermal Engineering, 2023, 232: 121117.
  6. πŸ“„ Luo F, Ma C*, Liu J, et al. Theoretical and experimental study on rotating heat pipe towards thermal error control of motorized spindle[J]. International Journal of Thermal Sciences, 2023, 185: 108095.
  7. πŸ“„ Zeng S, Ma C*, Liu J, et al. Sequence-to-sequence based LSTM network modeling and its application in thermal error control framework[J]. Applied Soft Computing, 2023, 138: 110221.
  8. πŸ“„ Gui H, Liu J, Ma C*, et al. Industrial-oriented machine learning big data framework for temporal-spatial error prediction and control with DTSMGCN model[J]. Journal of Intelligent Manufacturing, 2023.
  9. πŸ“„ Zhang L, Liu J, Ma C*, et al. Intelligent integrated framework towards high-accuracy machining[J]. Engineering Science and Technology, an International Journal, 2023, 40: 101359.
  10. πŸ“„ Luo F, Ma C*, Liu J, et al. Thermal error prediction and control method combining residua-based one-dimensional convolution-minimum gate unit model with physical-data-edge-cloud terminal architecture[J]. Neural Computing and Applications, 2023, 41: 103234.

Abdullah Mohammed |3D-printing | Best Researcher Award

Mr. β€Œ Abdullah Mohammed |3D-printing | Best Scholar Award

Mr at College of Dentistry/University of Mosul, Iraq

Abdullah J. Mohammed is a dedicated professional in prosthodontics with expertise in maxillofacial prostheses, laser welding, and dental implants. Holding an MSc in Prosthodontics and currently pursuing a Ph.D., he specializes in the topology optimization of metallic denture bases. With extensive teaching and clinical supervision experience, Abdullah has contributed significantly to dental education and patient care. His research, showcased in numerous published articles, focuses on topics such as the influence of Co-Cr thickness on color parameters and the biocompatibility of soldering materials. Committed to advancing dental prosthetics, he explores innovative techniques like additive manufacturing and nanoparticle incorporation for enhanced clinical outcomes.



Education πŸ“š

PhD Student (2021-2022) Topic: Topology optimization of the metallic denture base. MSc in Prosthodontics (2009) College of Dentistry, Mosul University. Thesis: “The effect of laser welding on the tensile strength and radiographic analysis of cobalt chromium repaired joints.” BDS (2002) College of Dentistry, Mosul University. Training Course at Hacettepe University, Ankara, Turkey (2009) Laboratory steps of construction of fixed dental prostheses.

Work Experience πŸ’Ό

Assistant Lecturer (2009) Responsibilities: Clinical supervisor in the Department of Prosthodontics for 4th and 5th undergraduate students. Lecturer (2013) Responsibilities: Teaching dental materials for 2nd-stage undergraduate students. Clinical supervisor in the Department of Prosthodontics for 4th undergraduate students. Head of the Central Lab (2012-2014) College of Dentistry, Mosul University. Responsibilities: Supervised the construction of fixed and removable dental prostheses. Head of the Dental Educational Hospital (Dec. 2017 – July 2018) College of Dentistry, Mosul University. Responsibilities: Overseeing operations and administration of the dental educational hospital. Member of the Committee of Maxillofacial Restorations (2012-2014) Responsibilities: Contributed to decision-making and planning regarding maxillofacial restorations.

Field of Interest 🌟

  • Maxillofacial prostheses
  • Laser welding
  • Dental implants
  • Fixed partial dentures
  • Additive manufacturing

Publications Top Notes πŸ“

    • The role of internal architecture in producing high-strength 3D printed cobalt-chromium objects
      • Journal: The Journal of Advanced Prosthodontics
      • Year: 2024
      • DOI: 10.4047/jap.2024.16.2.91
      • Contributors: Abdullah Jasim Mohammed; Ahmed Asim Al-Ali
      • Abstract: This article likely explores the significance of internal architecture in creating high-strength 3D printed cobalt-chromium objects, contributing to advancements in prosthodontics and dental implantology.
    • Biocompatibility of Soldering Materials Used for Repair of Cobalt Chromium Joints
      • Contributors: Abdullah Mohammed
      • Abstract: This study examines the biocompatibility of soldering materials employed for repairing cobalt-chromium joints, aiming to ensure safety and efficacy in dental prosthetic repair procedures.
    • Degree of conversion of modified heat cured acrylic resin
      • Contributors: Abdullah Mohammed
      • Abstract: This article likely investigates the degree of conversion of modified heat-cured acrylic resin, which is essential for assessing the polymerization efficiency and mechanical properties of dental prosthetic materials.
    • Effect of Curing Method on the Color of Vinyl Addition Cured Silicon (Effect of processing temperature on the color parameters of maxillofacial silicon)
      • Contributors: Abdullah Mohammed
      • Abstract: This study likely examines the impact of curing methods on the color stability of vinyl addition-cured silicone used in maxillofacial prosthetics, providing insights into optimizing processing techniques for aesthetic outcomes.
    • Feeding Obturator: Indications, Types, and Benefits. A Literature Review
      • Contributors: Abdullah Mohammed
      • Abstract: This review article likely discusses the indications, types, and benefits of feeding obturators, which are specialized prosthetic devices used to aid in feeding for individuals with oral or maxillofacial defects.
    • The Effect of Adding Nanoparticles to Dental Porcelain on the Fracture Resistance and Bond Strength to Zirconia Core
      • Contributors: Abdullah Mohammed
      • Abstract: This study likely investigates the impact of incorporating nanoparticles into dental porcelain on fracture resistance and bond strength to zirconia cores, aiming to enhance the mechanical properties of dental restorations.
    • The Effect of Laser Welding on the Tensile Strength and Radiographic Analysis of Co-Cr Repaired Joints
      • Contributors: Abdullah Mohammed
      • Abstract: This article likely explores the effects of laser welding on the tensile strength and radiographic analysis of cobalt-chromium repaired joints, offering insights into the efficacy of laser welding techniques in dental prosthetic repair.
    • The Effect of Nanoparticles Addition on the Physical Properties of the Maxillofacial Silicone: A Literature Review
      • Contributors: Abdullah Mohammed
      • Abstract: This literature review likely summarizes the effects of nanoparticle addition on the physical properties of maxillofacial silicone, providing an overview of advancements in materials science for facial prosthetics.