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TU Berlin

Inhalt des Dokuments

Dr. Alireza Ghasemi

Lupe

Research Scientist                                              Deu. Version
 
Tel.: 0049 (0) 30 314 23 135
Fax: 0049 (0) 30 314 26 673 
Email:

Technical university of Berlin
Dep. of Material Science (Sekr. EB 13)
Straße des 17 Juni 135, 10623, Berlin

Plasma Electrolytic Oxidation- An effective method to convert metallic surface to ceramic coating for Wear & corrosion protection



Expertise and Research Fields

-Surface engineering, Coating process, Electrochemical treatments, Development and modification of electrolytes for electrochemical coating process such as Plasma Electrolytic Oxidation

-Study of corrosion mechanisms, corrosion evaluations and prevention methods.

-Metallurgy of light metal and its alloys with emphasise on Aluminium, Magnesium and Titanium

-Microstructural analysis and study of the grain boundary of the metals and alloys by SEM, XRD, XPS, EDAX

-Mechanical analysis; evaluation and interpretation of test results; tensile, Compression, fatigue

-Nanocomposite materials; consolidation, production, characterisation

Current Research project:

-Relation between Microstructure and protectionability of ceramic Coating produced by Plasma Electrolytic Oxidation

-Development of a new electrolyte to improve the pisoelectric properties of the coatings on titanium

-Application of electrochemical coating to improve the surface characteristics of Al-parts in laser devices

-Processing, microstructure evolution and mechanical properties (under quasi-static and cyclic loading) of Mg-SiC nanocomposites-DFG Project

Research Interest

-New application of Plasma Electrolytic oxidation coatings in bio and Nanotechnology as well as medical applications

-Corrosion mechanism, evaluation and prevention methods as well as damage analysis and modifications specially for light metals such as Al, Mg and Ti.

-Study of the corrosion behaviour through simulation and electrochemical methods such as Polarization and Electrochemical Impedance Spectroscopy (EIS) before and after electrochemical surface treatments e.g. Plasma oxidation.

-Development of new electrochemical coating methods, modification of new electrolyte to improve the performance and protectability of the coatings.

-Influence of microstructure on mechanical properties and corrosion resistance of the metals and alloys 

-Nanocomposite materials; consolidation methods, production, characterisation

Publications and Presentations

  •  

[1]. A. Ghasemi, “Corrosion protection of light metals by Plasma Electrolytic Oxidation process”, 
ZIM networking symposium, Technical university of Wildau, Germany, march (2015) 
[2].  A.  Ghasemi,  N.  Scharnagl,  C.  Blawert,  W.  Dietzel,  K.U.Kainer  “Influence  of  electrolyte 
constituents  on  corrosion behaviour  of  PLASMA  coatings  for magnesium  alloys”,  Surface  Eng.,  26 
(2010) 321-327 
[3]. A. Ghasemi, V.S. Raja, C. Blawert, W. Dietzel, K.U. Kainer “The role of anions in the formation 
and  corrosion  resistance  of  the  plasma  electrolytic  oxidation  coatings”  Surface  and  Coatings 
Technology, 204 (2010) 1469–1478 
[4]. A. Ghasemi, V.S. Raja, C. Blawert, W. Dietzel, K.U. Kainer “Study of the structure and corrosion 
behaviour  of  PLASMA  coatings  on  AM50  magnesium  alloy  by  electrochemical  impedance 
spectroscopy” Surface and Coatings Technology, Vol. 202, (2008), 3513-3518. 
[5].  A.  Ghasemi,  N.  Scharnagl,  C.  Blawert,  W.  Dietzel,  K.U.Kainer  “Effect  of  hydroxides  on  the 
corrosion properties of magnesium alloys coated by plasma electrolytic oxidation process”, proceeding 
of Surface Modification Technology conference, (2007), 305-314. [6]. A.Ghasemi, C. Blawert, W. Dietzel, K.U.Kainer “Corrosion protection of magnesium alloys by 
plasma  electrolytic  oxidation”  “Improvement  of  magnesium  limitations",  DFG-SPP  1168 
(InnoMagTec), Sonnenberg International House, St. Andreasberg, Germany, Dec. 2006. 
[7].  A.Ghasemi,  “History  and  evolution  of  basic  materials  form  discovery  to  present-days” 
Manufacturing Congress, Free Technical University, March 2005. 
[8]. A.Ghasemi, F.Khomamizadeh “Quantitative microstractural analysis of A-356 aluminium alloy 
and its effect on mechanical properties” Sharif Journal of Sci. & Tech., No.28, 2005, 38-42. 
[9].  F.Khomamizadeh,  A.Ghasemi,  “Evaluation  of  quality  index  of  A-356  aluminium  alloy  by 
microstructure analysis” Scientia Iranica, Vol.11, No.4, 2004, 386-391. 
[10].  S.Kamrani,  A.Ghasemi,  F.Khomamizadeh  “Microstructure  and  mechanical  properties  of 
magnesium alloy AZ-91” 16 th  Foundry Society Annual Seminar, Uni. of Sci. & Tech., 2004. 
[11].  S.Kamrani,  M.Seyedreihani,  A.Ghasemi  “Effect  of  microstructure  and  alloying  elements  on 
machinability of aluminium alloys” 7 th  Cong. of Soc. of Met. Eng., Sharif Uni. of Tech., 2003. 
[12]. A. Ghasemi, F.Khomamizadeh “Microstructure and mechanical properties of aluminium alloy A-
356” 13 th  Foundry Society Annual Seminar, University of Science & Technology, 2001. 
[13]. A.Ghasemi, F.Khomamizadeh “Microstructure and mechanical properties of aluminium alloy A-
356” 13 th  Foundry Society Seminar, University of Science & Technology, Jun. 2001. 
[14].  A.Ghasemi,  F.Khomamizadeh  “Comparing  the  mechanical  properties  and  microstructure  of 
aluminium (A-380)” Internship Seminar, Sharif University of Technology & Sapco Company, 2000.

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