Dr. Ali Akbar Ekrami

Professor, PhD, 1991, The University of Leeds, England, 1991.

Mechanical Properties of Metals, Microstructure- Properties Relationship, TLP Diffusion Bonding.

Email : ekramiATsharif.edu

Tel : ( 0098-21 ) 66165205

Fax : ( 0098-21 ) 66005717

Education:

·         BSC, Metallurgical Engineering, Sharif University of Technology, Tehran, Iran, 1973-1977.

·         MSC, Metallurgical Engineering, Tehran University, Tehran, Iran, 1985.

·         PhD, Materials Science and Engineering, Leeds University, Leeds, England, 1988-1991.

Research interest:

·         Mechanical properties of Materials

·         Microstructure-properties relationship

·         Transient Liquid Phase Diffusion Bonding (TLP)

 

Awards and honors:

·         Financial award for the better Engineering book in the 23rd Islamic republic of Iran year book, Tehran, 2006.

·         Third rank at Amir Kabir University of Technology book festival, 2006.

Administrative Positions:

 


Courses taught:

1.     Undergraduate:

·         Materials Mechanical Properties I

·         Materials Mechanical Properties II

·         Materials Science

·         Materials properties

·         Selection of Metallic Materials

 

2.     Graduate:

·         Fatigue

·         Fracture

·         Fracture Mechanics

·          Mechanical Aspects of corrosion

·         Strengthening mechanisms

·         Advanced mechanical properties of materials

Recent publications:

1:  Books (In Farsi) in the following subjects:

·          Fatigue of metals

·          Application of engineering alloys

·          Dislocations

·          Fracture mechanics

·          Alloying elements in steel

·         Mechanical properties of materials vol. 1. Plastic deformation and strengthening mechanisms ( in press)

2:  Selected journal papers

1.    H. GHASEMI YAZDABADI, A. EKRAMI, H.S. KIM, and A. SIMCHI,  An Investigation on the Fatigue Fracture of P/M Al-SiC Nanocomposites, Metallurgical and Materials Transactions A, 44(6), 2013,  pp.2662-2271

2.    M. Pouranvari n, A.Ekrami, A.H.Kokabi, TLP bondingofcastIN718 nickelbased superalloy: Process–microstructure–strength characteristics, Materials Science & Engineering A 568, 2013, pp. 76–82.

3.      M. Pouranvari, A. Ekrami, A.H. Kokabi, Solidification and solid state phenomena during TLP bonding of IN718 superalloy using Ni–Si–B ternary filler alloy, Journal of Alloys and Compounds, 563, 2013, pp. 143–149.

4.      M. Hajisafari, S. Nategh, H. Yoozbashizadeh & A. Ekrami, Fatigue Properties of Heat- treated 30MSV6 Vanadium Microalloyed Steel, Journal of Materials Engineering and Performance, 22(3), 2013, pp. pp. 830-839.

5.      Shahriary, M. S.  and Ekrami, A, The effect of dynamic strain aging on room temperature mechanical properties of high martensite dual phase steels, Materials Science and Engineering A, 2012, 550, pp. 325-332.

6.      Bakhtiari, R and Ekrami, A, The effect of gap size on the microstructure and mechanical properties of the transient liquid phase bonded FSX-414 superalloy, Materials & Design, 2012, 40,pp. 130-137.

7.      Bakhtiari, R,  Ekrami, A, and Khan, T. I., The effect of TLP bonding temperature on microstructure and mechanical property of joints made using FSX-414 Superalloy, Materials Science and Engineering A, 2012, 546, pp. 291-300.

8.      Bakhtiari, R,  Ekrami, A, Transient liquid phase bonding of FSX-414 superalooy at the stansard heat treatment condition, Materials characterization, 2012, 66, pp. 38-45.

9.      Farnoosh, H. R., Haghshenas, D, and Ekrami, A, The effect of pre-straining at intermediate temperature on the mechanical properties of dual phase steel, Materials Science and Engineering A, 2012, 543, pp. 224-230.  

10.  Hoseini, S. H., Nategh, S, and Ekrami, A, Microstructural evolution in damaged IN838LC alloy during various steps of rejuvenation heat treatment, j. of alloys and compounds, 2012, 512, pp. 340-350.

11.  Nasiri abarkooh, H. Ekrami, A, and Ziaie A. A., Impact of phase transformation on mechanical properties anisotropy of commercially pure titanium, Materials & Design, 2012, 37, pp. 223-227.

12.  Hoseini, S. H., Nategh, S, and Ekrami, A, Change of gamma prime precipitate characterstics in damaged superalloy IN738LC during different staged of rejuvenation heat treatment cycles, Materials Science and Technology, 2012, 28(2), pp. 213-219.

13.  Ourang, S, Ekrami, A. and Seiedreihani, S. M., Aging behavior of Al6061 and 6061/SiC Composites, Advanced Materials Research, 2012, 410, 240-244.

14.  Nasiri abarkooh, H. Ekrami, A, and Ziaie A. A., Effect of rolling reduction on mechanical properties anisotropy of commercially pure titanium, Materials & Design, 2012, 34, pp. 268-274.

15.  Zarea, A, Ekrami, A., Influence of martensite volume fraction on tensile properties of triple phase ferrite – bainite-martensite steels, Materials Science and Engineering A, 2011, 530(1), pp. 440-445.

16.  Bakhtiari, R,  Ekrami, A, Mirostructural changes of FSX-414 superalooy during TLP bonding, Deffect and diffusion Forum, 2011, 312, pp. 399-404.

17.  Zarea, A, Ekrami, A., Effect  of martensite volume fraction on work hardening behavior of triple phase steels, Materials Science and Engineering A, 2011, 528, pp. 4422-4426.

18.  Mahmoodi ghaznavi, M., Ekrami, A. and Koukabi, A. H., Effect of solidification mechanism on microstructure and mechanical properties of joint in TLP bonded Al2024-T6 alloy, Science and technology og welding and joining, 2011, 16(2), pp. 174-180.

3.     Selected national and international Conference papers:

1)      Khakian Ghomi, M. and  Ekrami, A., The effect of ferrite volume fraction on fatigue of dual phase AISI4340 steel, The 4th joint conference of Iranian metallurgical engineering society and Iranian foundry society, 15-16 Nov. 2010(1389), p166.

2)      Khakian Ghomi, M. and  Ekrami, A., The effect of ferrite volume fraction on mechanical properties of dual phase AISI4340 steel, The 4th joint conference of Iranian metallurgical engineering society and Iranian foundry society, 15-16 Nov. 2010(1389), p187.

3)      Saeidi, N. and Ekrami, A., Microstructure- toughness relationship in AISI4340 steel, Proceedings of the 6th international conference on diffusion in solids and liquids, DSL-2010, July 5-7, 2010, Paris, France.

4)      Bakhtiari, R.  and Ekrami, A., Microstructural changes of FSX-414 superalloy during TLP bonding, Proceedings of the 6th international conference on diffusion in solids and liquids, DSL-2010, July, 5-7, 2010, Paris, France.

5)      Ekrami, A., Heat treatment of AISI4340 steel, (in farsi), Key speaker, symposium of steel 88, 1388 (2010), Yazd, Iran.

6)      Bakhtiari, R. and Ekrami, A., Microstructural study of a high bainite dual phase (HBDP) steel austempered at different temperatures, Proceedings of the 5th international conference on diffusion in solids and liquids, DSL-2009, june 24-27, 2009, Rome, Italy.

7)      Hadj safari, M. Nategh, S., Yozbashizadeh, H. and Ekrami, A., Effect of heat treatment parameters on mechanical properties of microalloy vanadium steel, (in farsi), symposium of steel 88, 1388 (2010), Yazd.

8)      Nasiri, H. and Ekrami, A. Effect of rolling texture on plane strain and plane stress toughness of pure comertial titanium, (in farsi), Proc. of metallurgical engineering and foundry association 3rd joint symposium, 1388 (2009), Bahonar university, Kerman, Iran.

9)      Nasiri, H. and Ekrami, A. Effect of rolling reduction on mechanical properties anisotropy of pure comertial titanium, (in farsi), Proc. of metallurgical engineering and foundry associations 3rd joint symposium, 1388 (2009), Bahonar university, Kerman, Iran.


 

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