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Frank Jaksoni Mweta

Lecturer

College of Engineering and Technology

Mechanical and Industrial Engineering

Biography

Dr. Frank Jaksoni Mweta is a Mechanical Engineer and currently serves as a lecturer in the department of Mechanical and Industrial Engineering at the University of Dar es salaam. His research primarily focus on Material Engineering, encompassing physical metallurgy, corrosion control and nanomaterials. He possesses extensive expertise in enhancing hydrogen embrittlement resistance of various metals through multi-scale control of microstructures. Additionally, he has experience in employing nanotechnogy to create nanomaterials for energy storage applications. He is proficient in analyzing mechanical behaviors and characterizing nanomaterials using analytical equipment such as Transmission electron microscopy (TEM), Scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray fluorescence (XRF). His broader academic experience includes teaching both undergraduate and postgraduate courses in the Mechanical and Material Engineering department.

Research Interest

  • Physical Metallurgy (mechanical behavior and microstructure control in metals)
  • Developing nanomaterials for energy storage
  • Characterization of Nanomaterials by using analytical equipment  e.g. TEM, SEM and XRD
  • Improving Hydrogen embrittlement  resistance in metals and alloys
  • Corrosion control in metals and alloys

Contacts

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Projects

Publications

F.J. Mweta, N. Adachi, Y. Todaka, H. Sato, H. Miura, M. Kobayashi, C. Watanabe, Y. Aoyagi. Effect of hetero – and homo-nanostructure on the hydrogen embrittlement resistance in heavily deformed 316LN Austenitic Stainless Steel, MRS Advances (2021) 6 682-688.

F. J. Mweta, Y. Todaka, N Adachi. Mechanical Property Changes of Austenitic Stainless Steels by Severe Plastic Deformation and Subsequent Aging. ISATE-ISBN 978-952-216-796-5.

F.J. Mweta, N. Adachi, Y. Todaka, H. Sato, Y. Sato, H. Miura, M. Kobayashi, C. Watanabe, Y. Aoyagi. Effect of Nanostructure on Hydrogen Embrittlement Resistance of the Severely Deformed 316LN, Materials and Metallurgical Engineering vol:15, No:2, 2021.

Cheong, J.Y., Chang, J.H., Kim, C., Frank,J.M., Jung,J.W., Lee,J.Y., Kim,I.D. Revisiting on the effect and role of TiO2 layer thickness on SnO2 for enhanced electrochemical performance for lithium ion battery, Electrochemical Acta, 258 (2017), 1140-1148.

Frank,J.M., Chang, J.H., Hyeon,K.S., Kim, S.J., Cheong,J.Y., Kim,I.D., Yuk,J.M.,Lee,J.Y .In Situ Transmission Electron Microscopy Graphene Liquid Cell on Chemical Sodiation of Nickel Oxide Nanoparticle. Microscopy and Microanalysis 23 (2017) 204-205, doi: 10.1017/s1431927617001702.

Frank,J.M., Kim, S.J., Chang, J.H., Cheong,J.Y.,Hyeon,K.S., Kim,I.D., Lee,J.Y. Case Examination on Volume Expansion of Crystalline Si Nanoparticles under Sodiation: In Situ TEM Study Using Graphene Liquid Cells, Microscopy and Microanalysis 22 (2016) 1370-1371, doi: 10.1017/S1431927616007698.