Changjun Han | Additive Manufacturing Award | Best Researcher Award

Assoc Prof Dr. Changjun Han | Additive Manufacturing Award | Best Researcher Award

Assoc Prof Dr. Changjun Han, South China University of Technology, China

πŸ‘¨β€πŸ”¬ Assoc. Prof. Dr. Changjun Han is an expert in additive manufacturing at South China University of Technology. His research focuses on metallic materials and advanced structures, metal multi-material printing, and multi-energy field additive manufacturing. With a Ph.D. in Materials Processing Engineering, he gained postdoctoral experience at Nanyang Technological University, Singapore. Dr. Han has won accolades including the Gold Award at China’s Postdoctoral Innovation and Entrepreneurship Competition. His work has earned recognition in the form of the Mechanical Industry Science and Technology Award and the Young Science and Technology Talent Award in China. πŸ†

 

Publication Profile

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Education

Dr. Han earned his Ph.D. in Materials Processing Engineering from Huazhong University of Science and Technology, Wuhan, China, in March 2018. He completed his B.E. in Material Forming and Control Engineering from the same university in June 2013.

Awards and Honors:

His contributions have been recognized with awards such as the Gold Award at the 1st Postdoctoral Innovation and Entrepreneurship Competition in December 2021 in China. He also received the Third Prize of Mechanical Industry Science and Technology Award for Scientific and Technological Progress in 2023, as well as the Young Science and Technology Talent Award (Guangzhou Science and Technology Innovation Nanshan Award) in 2023, both in China. πŸ†

Research Focus

Dr. Changjun Han’s research primarily revolves around additive manufacturing (AM), with a specific emphasis on metallic materials and advanced structures. His expertise extends to various aspects of AM, including selective laser melting (SLM) and traditional manufacturing methods. Notably, he explores differences in microstructure and properties between SLM and traditional manufacturing techniques. Additionally, his work delves into the fabrication of continuous functionally graded porous scaffolds for bone implants and the development of crack-free alloys suitable for SLM. Dr. Han’s contributions advance the understanding and application of AM technology in various fields. πŸ”πŸ‘¨β€πŸ”¬

Publication Top NotesΒ 

Differences in microstructure and properties between selective laser melting and traditional manufacturing for fabrication of metal parts: A review

Recent advances on high‐entropy alloys for 3D printing

Continuous functionally graded porous titanium scaffolds manufactured by selective laser melting for bone implants

Mechanical response of a triply periodic minimal surface cellular structures manufactured by selective laser melting

A novel crack-free Ti-modified Al-Cu-Mg alloy designed for selective laser melting

Effect of Nb content on microstructure, property and in vitro apatite-forming capability of Ti-Nb alloys fabricated via selective laser melting

Microstructure and mechanical properties of (TiB+ TiC)/Ti composites fabricated in situ via selective laser melting of Ti and B4C powders

Recent progress on additive manufacturing of multi-material structures with laser powder bed fusion

Selective laser melting of stainless-steel/nano-hydroxyapatite composites for medical applications: Microstructure, element distribution, crack and mechanical properties

 

 

Muhannad Ahmed Obeidi | Additive Manufacturing | Best Researcher Award

Assist Prof Dr.Muhannad Ahmed Obeidi | Additive Manufacturing | Best Researcher Award

PhD at Dublin City University, DCU, Ireland

πŸŽ“ Dr. Muhannad Y. Ahmed Obeidi is an accomplished researcher and educator with a Ph.D. in Mechanical Engineering from Dublin City University. His pioneering work focuses on utilizing CO2 lasers to enhance surfaces of metallic and non-metallic materials for interference-fit applications in the automotive and aerospace sectors. Holding a Master’s degree with first-class honors, he specialized in Mechanical Engineering with expertise in sustainable water systems, heat transfer, and fluid mechanics. Currently serving as an Assistant Professor and Postdoctoral Researcher at the I-Form Advanced Manufacturing Research Centre, DCU, he spearheads additive manufacturing innovations, optimizing processing parameters for 3D printing, and conducting collaborative research. πŸŒπŸ”¬

Publication Profile :

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Education :

πŸŽ“ Dr. Muhannad Y. Ahmed Obeidi is a distinguished mechanical engineer, holding a Ph.D. from Dublin City University (2018). His groundbreaking research delved into the application of CO2 lasers for modifying surfaces of metallic and non-metallic materials, catering to interference-fit needs in the automotive and aerospace industries. With a Master’s degree (1:1 honors) in Mechanical Engineering, he demonstrated expertise in diverse modules such as Sustainable Water Systems, Heat Transfer, and Product Design. His Master’s project focused on measuring the Pointing Effect on Soft Rubber and Biomedical Tissues. An earlier Bachelor’s degree from Baghdad University (1988) equipped him with fundamental knowledge in Mechanical Engineering, covering disciplines like Mechanical Design and Fluid Mechanics. πŸš€πŸ”¬

Work Experience :

πŸ‘¨β€πŸ« Dr. Muhannad Y. Ahmed Obeidi brings a wealth of expertise as an Assistant Professor and Postdoctoral Researcher at the I-Form Advanced Manufacturing Research Centre, DCU, Ireland, since March 2018. Specializing in additive manufacturing (AM) and 3D printing, he excels in digitalizing the AM process, optimizing parameters, and collaborating on laser metal processing research. With a rich academic background, he has delivered lectures on diverse subjects, including Solidworks and Advanced Manufacturing Processes, impacting undergraduate and postgraduate students. Prior roles include Research Assistant and PhD student at DCU, Mechanical Design Engineer at G&S Stainless Steel, and a commendable career in Iraq’s Ministry of Industries. πŸŒπŸ”

Research Focus :

πŸ”¬ Dr. Muhannad Y. Ahmed Obeidi is a prolific researcher in the field of Additive Manufacturing, particularly Laser Powder Bed Fusion. His extensive work, spanning multiple publications, explores in-situ sensing, process monitoring, and machine control in this cutting-edge technology. With a focus on powder bed topography, material influences, and innovative techniques like laser polishing, surface texturing, and controlled nitrogen-argon concentration, he significantly contributes to advancing metal additive manufacturing. Dr. Obeidi’s expertise extends to comprehensive assessments of spatter materials, void detection in 3D printing, and optimizing part properties based on printing location. His research showcases a commitment to precision, optimization, and technological advancements in the ever-evolving realm of additive manufacturing. πŸ”πŸŒ

Publication Top Notes :

  1. In-situ sensing, process monitoring and machine control in Laser Powder Bed Fusion: A review – Published in Additive Manufacturing (2021), cited 172 times πŸ“„πŸ”¬
  2. Influences of powder morphology and spreading parameters on the powder bed topography uniformity in powder bed fusion metal additive manufacturing – Published in Additive Manufacturing (2021), cited 148 times πŸ“„πŸ”
  3. Laser Polishing of Additive Manufactured 316L Stainless Steel Synthesized by Selective Laser Melting – Published in Materials (2019), cited 83 times πŸ“„βœ¨
  4. Comparison of the porosity and mechanical performance of 316L stainless steel manufactured on different laser powder bed fusion metal additive manufacturing machines – Published in Journal of Materials Research and Technology (2021), cited 49 times πŸ“„πŸ› οΈ
  5. Laser beam powder bed fusion of nitinol shape memory alloy (SMA) – Published in Journal of Materials Research and Technology (2021), cited 47 times πŸ“„πŸŒ
  6. Comprehensive assessment of spatter material generated during selective laser melting of stainless steel – Published in Materials Today Communications (2020), cited 40 times πŸ“„πŸ’‘
  7. Detecting voids in 3D printing using melt pool time series data – Published in Journal of Intelligent Manufacturing (2022), cited 39 times πŸ“„πŸ”„
  8. Laser surface polishing of Ti-6Al-4V parts manufactured by laser powder bed fusion – Published in Surface and Coatings Technology (2022), cited 35 times πŸ“„πŸ”
  9. CO2 laser polishing of laser-powder bed fusion produced AlSi10Mg parts – Published in Surface and Coatings Technology (2021), cited 33 times πŸ“„πŸŒ¬οΈ
  10. Laser surface texturing of stainless steel 316L cylindrical pins for interference fit applications – Published in Journal of Materials Processing Technology (2018), cited 29 times πŸ“„πŸ”
  11. Methodology of laser processing for precise control of surface micro-topology – Published in Surface and Coatings Technology (2016), cited 27 times πŸ“„πŸ“