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1

A comparison on thermomechanical properties of plasma-sprayed conventional and nanostructured YSZ TBC coatings in thermal cycling

A. Keyvani, M. Saremi, M. Heydarzadeh Sohi, Z. Valefi

Journal:

Journal of Alloys and Compounds

Year:

2012

Language:

english

File:

PDF, 1.85 MB

english, 2012

2

Preparation of a nanostructured SiC-ZrO2 coating to improve the oxidation resistance of graphite

Pourasad, Jalil, Ehsani, Naser, Valefi, Zia, Khalifesoltani, Sayed Ali

Journal:

Surface and Coatings Technology

Year:

2016

Language:

english

File:

PDF, 2.65 MB

english, 2016

3

Thermal Insulation and Thermal Shock Behavior of Conventional and Nanostructured Plasma-Sprayed TBCs

Tamaddon Masoule, S., Valefi, Z., Ehsani, N., Qazi Lavasani, H.

Journal:

Journal of Thermal Spray Technology

Year:

2016

Language:

english

File:

PDF, 1.55 MB

english, 2016

4

Electrodeposition of rhenium-base layer as a diffusion barrier between the NiCoCrAlY coating and a Ni-based superalloy

Ghasemi, Reza, Valefi, Zia

Journal:

Journal of Alloys and Compounds

Year:

2017

Language:

english

File:

PDF, 1.59 MB

english, 2017

5

High temperature ablation-oxidation performance of SiC nanowhisker toughened-SiC/ZrB 2 -SiC ultra-high temperature multilayer coatings under supersonic flame

Abdollahi, Alireza, Ehsani, Naser, Valefi, Zia

Journal:

Journal of Alloys and Compounds

Year:

2018

Language:

english

File:

PDF, 6.52 MB

english, 2018

6

Formation of aluminum phosphate coating on graphite by cathodic electrochemical treatment

Shooshtari Gugtapeh, H., Jafarzadeh, K., Valefi, Z., Mirali, S.M.

Journal:

Surface and Coatings Technology

Year:

2018

Language:

english

File:

PDF, 5.85 MB

english, 2018

7

Effect of processing parameters on microstructure and ablation behavior of SiC/ZrB 2 coating for graphite

Torabi, Shahla, Valefi, Zia, Ehsani, Naser

Journal:

International Journal of Applied Ceramic Technology

Year:

2020

Language:

english

File:

PDF, 62.92 MB

english, 2020

8

Effect of hydrogen and argon shrouding gas flow rate on high-temperature oxidation behavior of NiCrAlY coating by solid shielding shrouded plasma spray (SSPS)

Saharkhiz, Reza, Valefi, Zia, Mirjani, Masoud, Abdollahi, Alireza, Taghi-Ramezani, Saied

Journal:

Surface and Coatings Technology

Year:

2020

File:

PDF, 24.60 MB

2020

9

Two-step sintering of nanocrystalline 8Y2O3 stabilized ZrO2 synthesized by glycine nitrate process

Mehdi Mazaheri, M. Valefi, Z. Razavi Hesabi, S.K. Sadrnezhaad

Journal:

Ceramics International

Year:

2009

Language:

english

File:

PDF, 904 KB

english, 2009

10

The adhesion strength and indentation toughness of plasma-sprayed yttria stabilized zirconia coatings

S.A. Sadeghi-Fadaki, K. Zangeneh-Madar, Z. Valefi

Journal:

Surface and Coatings Technology

Year:

2010

Language:

english

File:

PDF, 1.86 MB

english, 2010

11

The effect of plasma spray parameters on the cavitation erosion of Al2O3–TiO2 coatings

K. Jafarzadeh, Z. Valefi, B. Ghavidel

Journal:

Surface and Coatings Technology

Year:

2010

Language:

english

File:

PDF, 1.12 MB

english, 2010

12

A mechanical model for surface layer formation on self-lubricating ceramic composites

Jiupeng Song, Mahdiar Valefi, Matthijn de Rooij, Dirk J. Schipper

Journal:

Year:

2010

Language:

english

File:

PDF, 1.28 MB

english, 2010

13

Study of thermal effects on the performance of micro-tubular solid-oxide fuel cells

Amin Mirahmadi, Kia Valefi

Journal:

Year:

2011

Language:

english

File:

PDF, 858 KB

english, 2011

14

New Insights of the Glycine-Nitrate Process For the Synthesis of Nano-Crystalline 8YSZ

Mahdiyar Valefi, Cavus Falamaki, Touraj Ebadzadeh, Mehran Solati Hashjin

Journal:

Journal of the American Ceramic Society

Year:

2007

Language:

english

File:

PDF, 651 KB

english, 2007

15

High-Temperature Tribological and Self-Lubricating Behavior of Copper Oxide-Doped Y-TZP Composite Sliding Against Alumina

Mahdiar Valefi, Matthijn de Rooij, Dirk J. Schipper, Louis Winnubst

Journal:

Journal of the American Ceramic Society

Year:

2011

Language:

english

File:

PDF, 955 KB

english, 2011

16

Effect of temperature on friction and wear behaviour of CuO–zirconia composites

Mahdiar Valefi, Matthijn de Rooij, Dirk J. Schipper, Louis Winnubst

Journal:

Journal of the European Ceramic Society

Year:

2012

Language:

english

File:

PDF, 1.62 MB

english, 2012

17

The effect of an alumina counterface on friction reduction of CuO/3Y-TZP composite at room temperature

Jiupeng Song, Mahdiar Valefi, Matthijn de Rooij, Dirk J. Schipper, Louis Winnubst

Journal:

Year:

2012

Language:

english

File:

PDF, 1.73 MB

english, 2012

18

Microwave-assisted sintering of zircon

T. Ebadzadeh, M. Valefi

Journal:

Journal of Alloys and Compounds

Year:

2008

Language:

english

File:

PDF, 784 KB

english, 2008

19

The effects of spray parameters on the microstructure and thermal stability of thermal barrier coatings formed by solution precursor flame spray (spfs)

Saremi, M., Valefi, Z.

Journal:

Surface and Coatings Technology

Year:

2013

Language:

english

File:

PDF, 1.78 MB

english, 2013

20

Influence of countersurface materials on dry sliding performance of CuO/Y-TZP composite at 600 °C

Mahdiar Valefi, Belavendram Pathiraj, Matthijn de Rooij, Erik de Vries, Dirk J. Schipper

Journal:

Journal of the European Ceramic Society

Year:

2012

Language:

english

File:

PDF, 2.28 MB

english, 2012

21

Measurement of chemical and geometrical surface changes in a wear track by a confocal height sensor and confocal Raman spectroscopy

Winogrodzka, A., Valefi, M., de Rooij, M.B., Schipper, D.J.

Journal:

Archives of Civil and Mechanical Engineering

Year:

2014

Language:

english

File:

PDF, 2.10 MB

english, 2014

22

Effect of Y2O3 stabilized ZrO2 coating with tri-model structure on bi-layered thermally grown oxide evolution in nano thermal barrier coating systems at elevated temperatures

Daroonparvar, Mohammadreza, Yajid, Muhamad Azizi Mat, Yusof, Noordin Mohd, Bakhsheshi-Rad, Hamid Reza, Valefi, Z., Hamzah, Esah

Journal:

Journal of Rare Earths

Year:

2014

Language:

english

File:

PDF, 8.81 MB

english, 2014

23

Modelling of a thin soft layer on a self-lubricating ceramic composite

Valefi, Mahdiar, de Rooij, Matthijn, Mokhtari, Milad, Schipper, Dirk J.

Journal:

Year:

2013

Language:

english

File:

PDF, 778 KB

english, 2013

24

Improvement of thermally grown oxide layer in thermal barrier coating systems with nano alumina as third layer

DAROONPARVAR, Mohammadreza, YAJID, Muhamad Azizi Mat, YUSOF, Noordin Mohd, FARAHANY, Saeed, HUSSAIN, Mohammad Sakhawat, BAKHSHESHI-RAD, Hamid Reza, VALEFI, Z., ABDOLAHI, Ahmad

Journal:

Transactions of Nonferrous Metals Society of China

Year:

2013

Language:

english

File:

PDF, 14.45 MB

english, 2013

25

Hot corrosion, high temperature oxidation and thermal shock behavior of nanoagglomerated YSZ–Alumina composite coatings produced by plasma spray method

Saremi, M., Valefi, Z., Abaeian, N.

Journal:

Surface and Coatings Technology

Year:

2013

Language:

english

File:

PDF, 2.07 MB

english, 2013

26

Thermal and mechanical properties of nano-YSZ–Alumina functionally graded coatings deposited by nano-agglomerated powder plasma spraying

Saremi, M., Valefi, Z.

Journal:

Ceramics International

Year:

2014

Language:

english

File:

PDF, 4.37 MB

english, 2014

27

Microstructural stability of nanostructured YSZ–alumina composite TBC compared to conventional YSZ coatings by means of oxidation and hot corrosion tests

Keyvani, Ahmad, Saremi, Mohsen, Heydarzadeh Sohi, Mahmoud, Valefi, Zia, Yeganeh, Mahdi, Kobayashi, Akira

Journal:

Journal of Alloys and Compounds

Year:

2014

Language:

english

File:

PDF, 5.73 MB

english, 2014

28

Characterisation of aluminium nanopowder produced by evaporation–condensation method

Hosseini, S. H., Sheibani, S., Valefi, Z.

Journal:

Materials Science and Technology

Year:

2010

Language:

english

File:

PDF, 239 KB

english, 2010

29

MICROWAVE SINTERING OF NANOCRYSTALLINE 8YSZ: EFFECT OF HEATING SCHEDULE ON MICROSTRUCTURE, IONIC CONDUCTIVITY, AND MECHANICAL PROPERTIES

VALEFI, MAHDIAR, FALAMAKI, CAVUS, FATTAHI, AHAD, EBADZADEH, TOURAJ

Journal:

International Journal of Nanoscience

Year:

2009

Language:

english

File:

PDF, 318 KB

english, 2009

30

Influence of HVOF process parameters on microstructure and bond strength of NiCrAlY coatings

Taheri, M, Valefi, Z, Zangeneh-Madar, K

Journal:

Surface Engineering

Year:

2012

Language:

english

File:

PDF, 562 KB

english, 2012

31

The effect of compressing pressure on the microstructure and properties of W-10 wt.% Cu composite

Ahangarkani, Meysam, Borgi, Saeid, Zageneh-madar, Karim, Valefi, Ziea

Journal:

International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde)

Year:

2015

Language:

english

File:

PDF, 1.73 MB

english, 2015

32

Na2SO4 and V2O5 molten salts corrosion resistance of plasma-sprayed nanostructured ceria and yttria co-stabilized zirconia thermal barrier coatings

Hajizadeh-Oghaz, Morteza, Razavi, Reza Shoja, Ghasemi, Ali, Valefi, Zia

Journal:

Ceramics International

Year:

2015

Language:

english

File:

PDF, 3.97 MB

english, 2015

33

Laser surface treatment of AZ91 magnesium alloy presprayed with WC–Co

Mehrjou, B., Soltani, R., Sohi, M. H., Torkamany, M. J., Valefi, Z., Ghorbani, H.

Journal:

Surface Engineering

Year:

2015

Language:

english

File:

PDF, 1.59 MB

english, 2015

34

Microstructural and Hardness Study of Pulsed Nd:YAG Laser Surface Alloyed Aluminum with Iron

Ansari, Mohammad, Soltani, Reza, Heydarzadeh Sohi, Mahmoud, Valefi, Zia

Journal:

Metallurgical and Materials Transactions A

Year:

2016

Language:

english

File:

PDF, 5.21 MB

english, 2016

35

EFFECT OF REACTOR PRESSURE ON PRODUCTION OF ALUMINUM NANO-POWDER

EHSANI, NASER, HOSSEINI, SEYED HOJJATTOLLAH, SHEIBANI, S., VALEFI, ZIA

Journal:

International Journal of Modern Physics Conference Series

Year:

2012

Language:

english

File:

PDF, 276 KB

english, 2012

36

Thermal shock resistance and isothermal oxidation behavior of C/SiC-SiCnano functionally gradient coating on graphite produced via reactive melt infiltration (RMI)

Abdollahi, Alireza, Ehsani, Naser, Valefi, Zia

Journal:

Materials Chemistry and Physics

Year:

2016

Language:

english

File:

PDF, 6.29 MB

english, 2016

37

Analytical study of effective parameters in performance of tubular solid oxide fuel cells

Mirahmadi, A, Valefi, K

Journal:

Journal of the Energy Institute

Year:

2013

Language:

english

File:

PDF, 691 KB

english, 2013

38

Oxidation resistance of a SiC–ZrB2coating prepared by a novel pack cementation on SiC-coated graphite

Pourasad, Jalil, Ehsani, Naser, Valefi, Zia

Journal:

Journal of Materials Science

Year:

2017

Language:

english

File:

PDF, 2.15 MB

english, 2017

39

Microstructure, phase composition and mechanical properties of plasma sprayed Al 2 O 3 , Cr 2 O 3 and Cr 2 O 3 -Al 2 O 3 composite coatings

Zamani, P., Valefi, Z.

Journal:

Surface and Coatings Technology

Year:

2017

Language:

english

File:

PDF, 2.00 MB

english, 2017

40

Numerical method for the adhesive normal contact analysis based on a Dugdale approximation

Bazrafshan, M., de Rooij, M.B., Valefi, M., Schipper, D.J.

Journal:

Tribology International

Year:

2017

Language:

english

File:

PDF, 1.71 MB

english, 2017

41

The effect of sintering activator on the erosion behavior of infiltrated W-10wt%Cu composite

Borji, S., Ahangarkani, M., Zangeneh-Madar, K., Valefi, Z.

Journal:

International Journal of Refractory Metals and Hard Materials

Year:

2017

Language:

english

File:

PDF, 2.51 MB

english, 2017

42

Effect of APS process parameters on high-temperature wear behavior of nickel–graphite abradable seal coatings

Soltani, Reza, Heydarzadeh-Sohi, Mahmoud, Ansari, Mohammad, Afsari, Fereshteh, Valefi, Zia

Journal:

Surface and Coatings Technology

Year:

2017

Language:

english

File:

PDF, 3.82 MB

english, 2017

43

SiC Nanoparticles Toughened-SiC/MoSi2-SiC Multilayer Functionally Graded Oxidation Protective Coating for Carbon Materials at High Temperatures

Abdollahi, Alireza, Ehsani, Naser, Valefi, Zia, Khalifesoltani, Ali

Journal:

Journal of Materials Engineering and Performance

Year:

2017

Language:

english

File:

PDF, 4.94 MB

english, 2017

44

Microstructural study on ultra-high temperature erosion mechanism of infiltrated W-10 wt%Cu composite

Ahangarkani, M., Zangeneh-Madar, K., Borji, S., Valefi, Z.

Journal:

International Journal of Refractory Metals and Hard Materials

Year:

2017

Language:

english

File:

PDF, 1.14 MB

english, 2017

45

Comparison of the effect of sintering on the microstructure, micro hardness and phase composition of conventional and nanostructured YSZ TBCs

Qazi Lavasani, H., Valefi, Z., Ehsani, N., Tamaddon Masoule, S.

Journal:

Ceramics International

Year:

2017

Language:

english

File:

PDF, 1.76 MB

english, 2017

46

The effect of post-sintering annealing on the erosion resistance of infiltrated W-Cu composites

Ahangarkani, Meysam, Zageneh-madar, Karim, Borji, Saeed, Valefi, Ziea

Journal:

Materials Letters

Year:

2017

Language:

english

File:

PDF, 993 KB

english, 2017

47

Densification of Plasma Sprayed SOFC Electrolyte Layer Through Infiltration With Aqueous Nitrate Solution

Mirahmadi, A., Valefi, K.

Journal:

Journal of Fuel Cell Science and Technology

Year:

2012

Language:

english

File:

PDF, 1.56 MB

english, 2012

48

Study on Preheating Techniques for Start-up of Tubular Solid Oxide Fuel Cells

Mirahmadi, Amin, Valefi, Kia

Journal:

Journal of Fuel Cell Science and Technology

Year:

2011

Language:

english

File:

PDF, 948 KB

english, 2011

49

Material loss of infiltrated W-10wt.%Cu by alumina particles propelled by a high-velocity-oxy-fuel system

Ahangarkani, M., Zangeneh-madar, K., Borji, S., Valefi, Z.

Journal:

International Journal of Refractory Metals and Hard Materials

Year:

2018

Language:

english

File:

PDF, 898 KB

english, 2018

50

The effect of the Re-Ni diffusion barrier on the adhesion strength and thermal shock resistance of the NiCoCrAlY coating

Ghasemi, Reza, Valefi, Zia

Journal:

Surface and Coatings Technology

Year:

2018

Language:

english

File:

PDF, 31.03 MB

english, 2018