Publications & Works

Publication Network

Articles Published in Journals That Entered SCI, SSCI and AHCI Indexes

Additive manufacturing of gamma titanium aluminide alloys: a review

Emiralioğlu A. , Ünal R.
Journal of Materials Science, vol.57, no.7, pp.4441-4466, 2022 (Journal Indexed in SCI) identifier identifier

The effect of evaporation and recoil pressure on energy loss and melt pool profile in selective electron beam melting

Mollamahmutoglu M., YILMAZ O. , ÜNAL R. , Gumus B., Tan E.
International Journal of Advanced Manufacturing Technology, 2022 (Journal Indexed in SCI Expanded) identifier

Investigation of Wear Behaviors of Nanodiamond Particles Added Chromium Coating on Porous Powder Metallurgy Specimens

Zoghipour N., SALAMCİ E. , ÜNAL R. , Valov R., Petkov V.
Protection of Metals and Physical Chemistry of Surfaces, 2022 (Journal Indexed in SCI Expanded) identifier

Theoretical and experimental investigation of Ti alloy powder production using low-power plasma torches

Yurtkuran E., ÜNAL R.
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, vol.32, no.1, pp.175-191, 2022 (Journal Indexed in SCI) identifier identifier

Numerical and Experimental Investigation on the Effects of a Nozzle Attachment to Plasma Torches for Plasma Atomization

Yurtkuran E., Ünal R.
PLASMA CHEMISTRY AND PLASMA PROCESSING, vol.40, pp.1127-1144, 2020 (Journal Indexed in SCI) identifier identifier

Investigation of the Mechanical, Electronic and Phonon Properties of X2ScAl (X = Ir, Os, and Pt) Heusler Compounds

ARIKAN N., OCAK H. Y. , YILDIZ G. D. , YILDIZ Y. G. , ÜNAL R.
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol.76, no.10, pp.916-922, 2020 (Journal Indexed in SCI) identifier identifier

Experimental and numerical study of Stairmand cyclone separators: a comparison of the results of small-scale and large-scale cyclones

Erol H. I. , TURGUT O. , ÜNAL R.
HEAT AND MASS TRANSFER, vol.55, no.8, pp.2341-2354, 2019 (Journal Indexed in SCI) identifier identifier

Numerical modeling of torch design for plasma atomization

Yurtkuran E., Unal R. , Ozsunar A.
Acta Physica Polonica A, vol.134, pp.292-296, 2018 (Journal Indexed in SCI Expanded) identifier identifier

Determination of metal powder particle size by numerical modeling in gas atomization

Kayali Y. E. , Ünal R.
JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY, vol.33, pp.1135-1144, 2018 (Journal Indexed in SCI) Creative Commons License identifier identifier

Investigation of the effect of gas flow rate and electric current on plasma jet temperature and velocity at torch exit by CFD analysis

Sunjuq W. K. W. , Yurtkuran E., Özsunar A. , Ünal R.
JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY, vol.33, pp.361-369, 2018 (Journal Indexed in SCI) Creative Commons License identifier identifier

Investigation of corrosion behaviour of porous powder metallurgy parts electrochemically coated with diamond nano particles modified chromium

Bilgili E. Z. , SALAMCİ E. , ASAN A., ÜNAL R. , Valov R.
JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY, vol.31, no.3, pp.580-589, 2016 (Journal Indexed in SCI) Creative Commons License identifier identifier

Experimental and first-principles investigation of crystal structure of powder metallurgy Al-1.1Sc and Al-2Sc alloys

OCAK H. Y. , UÇGUN E., ÜNAL R.
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, vol.23, no.10, pp.3020-3026, 2013 (Journal Indexed in SCI) identifier identifier

Experimental and numerical modeling of the gas atomization nozzle for gas flow behavior

Aydin O., Ünal R.
COMPUTERS & FLUIDS, vol.42, pp.37-43, 2011 (Journal Indexed in SCI) identifier identifier

Investigation on metal powder production efficiency of new convergent divergent nozzle in close coupled gas atomisation

Uenal R.
POWDER METALLURGY, vol.50, no.4, pp.302-306, 2007 (Journal Indexed in SCI) identifier identifier

Improvements to close coupled gas atomisation nozzle for fine powder production

ÜNAL R.
POWDER METALLURGY, vol.50, no.1, pp.66-71, 2007 (Journal Indexed in SCI) identifier identifier

The influence of the pressure formation at the tip of the melt delivery tube on tin powder size and gas/melt ratio in gas atomization method

Ünal R.
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, vol.180, pp.291-295, 2006 (Journal Indexed in SCI) identifier identifier

Effects of gas pressure and protrusion length of melt delivery tube on powder size and powder morphology of nitrogen gas atomised tin powders

Aksoy A., Ünal R.
POWDER METALLURGY, vol.49, pp.349-354, 2006 (Journal Indexed in SCI) identifier identifier

Investigation of the effect of the matrix composition on wear behavior of diamond sawblades

Gürçay E., ÜNAL R.
Metall, vol.60, no.6, pp.383-386, 2006 (Journal Indexed in SCI Expanded) identifier

Production of high strength Al-Mg-Sc alloys by PM

ÜNAL R. , Kainer K.
Powder Metallurgy, vol.41, no.2, pp.119-122, 1998 (Journal Indexed in SCI) identifier identifier

Articles Published in Other Journals

Investigation of Compatibility Between Design and Additively Manufactured Parts of Functionally Graded Porous Structures

ÜNAL R. , YILMAZ O. , SALAMCİ E. , TÜZEMEN M. Ç. , Dursun A. M.
Journal of Polytechnic, vol.1, no.1, pp.1-14, 2021 (Other Refereed National Journals)

3D Cfd Modelling of Non-transferred Argon Plasma Torch

Demir F., Yurtkuran E., Ünal R. , Özsunar A.
Materials Today Proceedings, vol.32, pp.12-17, 2020 (Refereed Journals of Other Institutions)

Effect of Powder Production Processes on Lubricated Bearings

Urtekin L., Ünal R. , Aydın Ö.
Dicle Üniversitesi Mühendislik Fakültesi, vol.11, no.2, pp.647-652, 2020 (National Refreed University Journal)

Analytical Investigation of Maximum Stresses According to the (hkl) Layers at Stable Condition for Al-Sc Alloys

OCAK H. Y. , ÜNAL R. , SARIOĞLU G., UĞUR Ş. , UĞUR G.
El-Cezerî Journal of Science and Engineering, vol.6, pp.200-207, 2019 (Refereed Journals of Other Institutions) Creative Commons License

Electrolyte Coatings od Chromium With Nano-diamonds on Sintered Steels

Gıdıkova N., Valov R., Petkov V., Salamci E. , Bilgili Z., Ünal R.
Transactions o Foundry Research Institute, vol.57, no.4, pp.333-336, 2017 (Refereed Journals of Other Institutions)

Optimizing the Processing Parameters for Al-20Si- 6Cu Aluminum-Silicon P/M Alloy

Aliakbarlu S., Ünal R.
International Journal of Engineering Research in Mechanical and Civil Engineering, vol.2, no.7, pp.18-22, 2017 (Refereed Journals of Other Institutions)

Effect of Nanodiamonds Modification of Chromium Coating on Sintered Ferrous Materials

Gıdıkova N., Salamci E. , Petkov V., Valov R., Ünal R.
Journal of Materials Science and Technology, vol.25, no.2, pp.80-85, 2017 (Refereed Journals of Other Institutions)

Laval Tipi Yeni bir Nozul Tasarımı ile Metal Tozu Üretimi ve Üretim Değişkenlerinin Etkisinin İncelenmesi

Aydın M., Ünal R.
Makine Teknolojileri Dergisi, vol.1, pp.69-76, 2007 (Other Refereed National Journals)

Refereed Congress / Symposium Publications in Proceedings

3D Cfd Modelling of Non-transferred Argon Plasma Torch

Demir F., Yurtkuran E., Unal R. , Ozsunar A. K.
7th International Advances in Applied Physics and Materials Science Congress and Exhibition (APMAS), Fethiye, Turkey, 22 - 26 April 2017, vol.32, pp.12-17 identifier

Al-1,1Sc Alaşımının Bazı Termal Özelliklerinin Deneysel Yöntemle İncelenmesi

OCAK H. Y. , SARIOĞLU G., ÜNAL R. , UĞUR G. , UĞUR Ş.
Internatıonal Black Sea Coastlıne Countrıes Symposıum – II, 20 - 22 June 2019

Al-1,1Sc ALAŞIMININ BAZI TERMAL ÖZELLİKLERİNİN DENEYSEL YÖNTEMLE İNCELENMESİ

OCAK H. Y. , SARIOĞLU G., BAŞAR R., ÜNAL R. , UĞUR G. , UĞUR Ş.
INTERNATIONAL BLACK SEA COASTLINE COUNTRIES SYMPOSIUM-II, Samsun, Turkey, 20 - 22 July 2019, pp.237-243

Al-6Mg-1,1Sc ALAŞIMININ BAZI TERMAL ÖZELLİKLERİNİN DENEYSEL YÖNTEMLE İNCELENMESİ

OCAK H. Y. , SARIOĞLU G., BAŞAR R., ÜNAL R. , UĞUR G. , UĞUR Ş.
INTERNATIONAL BLACK SEA COASTLINE COUNTRIES SYMPOSIUM-II, Samsun, Turkey, 20 - 22 July 2019, pp.244-250

Malzeme İşlemlerinde Kullanılmasına Yönelik Üçlü Termal Plazma Torç Sisteminin Hesaplamalı Akışkanlar Dinamiği ile Modellenmesi

ABDURAHMANOV K., YURTKURAN E., ÜNAL R.
4. ULUSLARARASI MUHENDİSLİK MİMARLIK VE TASARIM KONGRESİ, İstanbul, Turkey, 23 - 24 April 2019, pp.1116

Analytical Investigation of Maximum Stresses According to the (hkl) Layers at Stable Condition for Al-Sc Alloys

OCAK H. Y. , ÜNAL R. , SARIOĞLU G., UĞUR Ş. , UĞUR G.
1st International Symposium on Light Alloys and Composite Materials, Karabük, Turkey, 22 - 24 March 2018, vol.6, pp.200-207

Hücresel yapılı tasarımlarda boşluk değerinin belirlenmesine yönelik matematiksel yaklaşım

Dursun A. M. , Ünal R. , Yılmaz O. , Salamci E.
3rd International Congress on 3D printing (Additional Manufacturing) Technologies and Digital Industries, Antalya, Turkey, 19 - 21 April 2018, pp.660-668

Hücresel Yapılı Tasarımlarda Hacimsel Boşluk Değerinin Belirlenmesine Yönelik Matematiksel Yaklaşım

Dursun A. M. , ÜNAL R. , YILMAZ O. , Salamcı E.
3rd International Congress on 3D Printing (Additive Manufacturing) Technologies and Digital Industry 2018, Antalya, Turkey, 19 - 21 April 2018

Investigating The Corrosion Behavior of Electrodeposited Nickel-Nano Diamond Composite Coating On Porous Materials by The Cyclic Voltammetry Method

SAATCI T., SALAMCİ E. , ÜNAL R. , GİDİKOVA N., VALOV R., VLADİMİR P.
1st International Symposium on Multidisciplinary Studies and Innovative Technologies, Tokat, Turkey, 2 - 04 November 2017, pp.49-54

3D MODELLING OF DC NON-TRANSFERED ARC PLASMA TORCH AND INVESTIGATION OF CREATION OF ARC ROOT INTHE TORCH

DEMİR F., YURTKURAN E., ÜNAL R. , ÖZSUNAR A.
The Porous and Powder Materials Symposium and Exhibitions, 12 - 15 September 2017

IMPROVEMENT OF PLASMA TORCH GEOMETRY BY CFD FORMETAL POWDER PRODUCTION

YURTKURAN E., ÜNAL R. , ÖZSUNAR A.
The Porous and Powder Materials Symposium and Exhibitions, 12 - 15 September 2017

Calculation of Plane Energies (HKL) for Fe and Fe - 25 Al by Analytical Method

SARIOĞLU G., OCAK H. Y. , ÇETİN A., ÜNAL R.
3RD INTERNATIONAL TURKIC WORLD CONFERENCE ON CHEMICAL SCIENCES AND TECHNOLOGIES, 3RD ITWCCST, 10 - 13 September 2017

Optimizing the Processing Parameters for Al-20Si-6Cu Aluminum- Silicon P/M Alloy

Aliakbarlu S., ÜNAL R.
stanbul 49th International Conference onEngineering Technology, Computer, Basic Applied Sciences (ECBA- 2017) August 3-4, 2017 Istanbul, Turkey, 3 - 04 August 2017, vol.2, pp.88-92

Synthesis, characterization and tribological studies of Chromium-Nano diamond composite coating

Zoghipour N., SALAMCİ E. , ÜNAL R. , gidikova n., valov r., petkov v.
3rd Iron and Steel Symposium(UDCS’17), Karabük, Turkey, 3 April - 05 December 2017, pp.291-296

3D CFD Modelling of Argon Non-Transferred Plasma Torch

Demir F., Yurtkuran E., Ünal R. , Özsunar A.
7th International Advances in Applied Physics and Materials Science Congress, Aydın, Turkey, 22 - 26 April 2017

Numerical Modeling of Torch Design for Plasma Atomization

YURTKURAN E., ÜNAL R. , ÖZSUNAR A.
7th International Advances in Applied Physics and Materials Science Congress, 22 - 26 April 2017

An Investigation on the Effect of Gas Atomisation Parameters on 7075 Aluminum Alloy PowderProduction

GÜLEŞEN M., ÜNAL R.
International Congress on Applied Science and Technology (ASTECH’xx2017), 17 - 20 April 2017, vol.1, pp.30

Production of Silver Alloy Powder to Manufacture Dental Amalgam

GÜLEŞEN M., ÜNAL R.
International Congress on Applied Science and Technology (ASTECH’xx2017), 17 - 20 April 2017, vol.1, pp.29

Theoretical Calculations of Maximum Stress Values in Equilibrium for bcc Fe and fcc Al with respect to Diffrenet Planes

OCAK H. Y. , ÇETİN A., AKBUDAK S., UĞUR G. , UĞUR Ş. , ÜNAL R.
International Conference on Advances in Science and Arts (ICASA), İstanbul, Turkey, 29 - 31 March 2017

THEORETICAL CALCULATIONS OF MAXIMUM STRESS VALUES IN EQUILIBRIUM FOR BCC FE AND FCC AL WITH RESPECT TO DIFFERENT PLANES

OCAK H. Y. , ÇETİN A., AKBUDAK S., UĞUR G. , UĞUR Ş. , ÜNAL R.
The International Conference on Advances in Science and Arts (ICASA 2017), İstanbul, Turkey, 29 - 31 March 2017

3D Cfd modelling of non-transferred argon plasma torch

DEMİR F., Yurtkuran E., ÜNAL R. , ÖZSUNAR A.
7th International Advances in Applied Physics and Materials Science Congress and Exhibition, APMAS 2017, Fethiye, Turkey, 22 - 26 April 2017, vol.32, pp.12-17 identifier

EFFECT OF DEFECTS ON MECHANICAL PROPERTIES AND INTERLAMINAR PERFORMANCE OF COMPOSITE MATERIAL

ÜNAL R. , Aytar Ü.
Uluslararası Malzeme Sempozyumu, 12 - 14 October 2016

Calculation of Internal Interaction Energy of Fe(1-x) - Al(x) Alloy System by Analytical Method

OCAK H. Y. , ÜNAL R. , ÇETİN A.
2nd INTERNATIONAL CONGRESS ON THE WORLD OF TECHNOLOGY AND ADVANCED MATERIALS, 28 September - 02 October 2016

Estimation of optimum protrusion length by CFD modeling for the gas atomization nozzle

GÜLEŞEN M., ÜNAL R.
7th Internation Powder Metallurgy Congress & Exhibition, AANKARA, Turkey, 24 - 28 June 2014, pp.118-119

Gaz Atomizasyonu İle Metal Tozu Üretimi İçin Nozul Tasarımının Hesaplamalı Akışkanlar Dinamiği HAD Yöntemi İle Geliştirilmesi

ÜNAL R.
14th Int Materials semp, 3 - 05 October 2012, vol.1

Matrix composition effect on the wear behaviour of diamond segments

ÜNAL R. , Gurcay E. A.
2006 Powder Metallurgy World Congress and Exhibition, PM 2006, Busan, South Korea, 24 - 28 September 2006, pp.1113-1116 identifier identifier

Effect of cobalt to bronze ratio on transverse rupture strength of diamond segments

ÜNAL R.
2006 Powder Metallurgy World Congress and Exhibition, PM 2006, Busan, South Korea, 24 - 28 September 2006, pp.1105-1108 identifier

Effect of cobalt to bronze ratio on transverse rupture strength of diamond segments

ÜNAL R.
Powder Metallurgy World Congress and Exhibition, PM 2006, Busan, South Korea, 24 - 28 September 2006, pp.1105-1108 identifier

High efficient metal powder production by gas atomisation process

ÜNAL R. , Aydin M.
2006 Powder Metallurgy World Congress and Exhibition, PM 2006, Busan, South Korea, 24 - 28 September 2006, pp.57-60 identifier

Theoretical and experimental investigation of a supersonic nozzle design

ÜNAL R.
European Powder Metallurgy Congress and Exhibition, Euro PM 2005, Prague, Czech Republic, 2 - 05 October 2005, vol.2, pp.47-52 identifier

Investigation of high efficient supersonic nozzle parameters for tin powder production by gas atomisation

ÜNAL R. , Aksoy A.
European Powder Metallurgy Congress and Exhibition, Euro PM 2005, Prague, Czech Republic, 2 - 05 October 2005, vol.2, pp.23-29 identifier

The effect of the mixer type and ratio of reinforcement particle on the mechanical properties of NbC reinforced Al composite material produced via powder metallurgy

Yetgin S., Aydin M., Aksoy A., ÜNAL R.
European Powder Metallurgy Congress and Exhibition, Euro PM 2005, Prague, Czech Republic, 2 - 05 October 2005, vol.2, pp.279-285 identifier

Production of ternary Al-Mg-Sc alloys by gas atomisation method and investigation of the properties of consolidated materials Gaz atomi̇zasyonu i̇le Al-Mg-Sc alaşim tozu üreti̇lmesi̇ ve tam yoǧunlaştirilmiş malzemeni̇n özelli̇kleri̇

ÜNAL R. , Kainer K. U.
Ulusal Toz Metalurjisi Konferansi: Second National Powder Metallurgy Conference, Ankara, Turkey, 15 - 17 September 1999, pp.393-398 identifier

Production and characterisation of binary Al-Sc alloys using powder metallurgy processing method Toz metalurji̇si̇ yöntemi̇ i̇le Al-Sc alaşimi üreti̇lmesi̇ ve mekani̇k özelli̇kleri̇

ÜNAL R. , Kainer K. U.
Ulusal Toz Metalurjisi Konferansi: Second National Powder Metallurgy Conference, Ankara, Turkey, 15 - 17 September 1999, pp.579-584 identifier

Books & Book Chapters

POWDER FORMING

ÜNAL R.
in: Modern Manufacturing Processes, M KOÇ, TUGRUL ÖZEL, Editor, JOHN WILEY SONS, pp.65-87, 2019

Proceedings of the 7th International Powder Metallurgy Conference

Ünal R. (Editor) , Usta Y. (Editor) , Türker M. (Editor) , Çoğun C. (Editor), Ünal H. İ. (Editor) , Güral A. (Editor) , et al.
Türk Toz Metalurjisi Derneği, Ankara, 2015 Creative Commons License

Powder Production Methods

Ünal R.
in: Powder Metallurgy and Particulate Materials Processing Technology, Süleyman SARITAŞ,Mehmet TÜRKER,Nuri DURLU, Editor, TTMD, Ankara, pp.59-97, 2007