Prof. Dr. RAHMİ ÜNAL

Yayın Ağı

Makaleler 51

1. Recent Progress in the Development of Aluminum Alloys to Prevent Defects in Additive Manufacturing

EMİRALİOĞLU A., ÜNAL R.

JOM , cilt.77, sa.11, ss.8895-8916, 2025 (SCI-Expanded)

2. Mathematical approaches for track analysis and process optimization in additive manufacturing

Alishavandi M., Ünal R., Salamci M. U.

COMMUNICATIONS MATERIALS , cilt.1, sa.1, ss.1-16, 2025 (ESCI, Scopus)

3. A novel entropy calculation approach for sensor placement optimization for a satellite thermal control system

Mermer E., ÜNAL R.

Measurement: Journal of the International Measurement Confederation , cilt.249, 2025 (SCI-Expanded)

4. Effect of surface/subsurface defects on the surface integrity of ceramic materials

Ötenkaya Ş., ÜNAL R.

Journal of the Korean Ceramic Society , cilt.62, sa.3, ss.412-436, 2025 (SCI-Expanded)

5. Development of Fe-Mg alloys with intermediate degradation kinetics as potential biodegradable bone implants

Alsakkaf A., Md Yusop A. H., Idris H., Hassan A. G., Iqbal N., Ünal R., et al.

MATERIALS TODAY COMMUNICATIONS , cilt.41, sa.1, ss.1-14, 2024 (SCI-Expanded)

6. A Review on Post – Buckling Behaviors of Composites: Crippling Phenomenon

Yıldırım E. G., Ünal R.

Havacılık ve Uzay Teknolojileri Dergisi , cilt.17, sa.1, ss.1-28, 2024 (Hakemli Dergi)

7. A new parameter to describe crippling strength: Experimental and theoretical investigations for post-buckling behaviors of the composite structures

Yıldırım E. G., ÜNAL R.

Polymer Composites , cilt.45, sa.2, ss.1585-1599, 2024 (SCI-Expanded)

8. Structural and mechanical investigation of a TiAl2 based alloy: A combined theoretical and experimental study

Mermer E., Çinici H., Uğur G., Ünal R.

MATERIALS LETTERS , cilt.354, 2024 (SCI-Expanded)

9. Additive manufacturing of Inconel-625: from powder production to bulk samples printing

Rehman A. U., Karakas B., Mahmood M. A., Basaran B., Rehman R. U., Kirac M., et al.

RAPID PROTOTYPING JOURNAL , cilt.29, sa.9, ss.1788-1799, 2023 (SCI-Expanded)

10. Development of an Al rich Ti-Al alloy with better ductility

Mermer E., Çinici H., Uğur G., Ünal R.

VACUUM , cilt.214, 2023 (SCI-Expanded)

11. A survey on ceramic radome failure types and the importance of defect determination

Saliha Fidan Ş., ÜNAL R.

Engineering Failure Analysis , cilt.149, 2023 (SCI-Expanded)

12. The Effect of Scanning Strategy On Mechanical Properties and Delamination During Brake Caliper Manufacturing With Selective Laser Melting (SLM)

Özakıncı M., Ünal R.

JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI , cilt.1, sa.1, ss.1-8, 2023 (Hakemli Dergi)

13. Passive thermal control systems in spacecrafts

Mermer E., Ünal R.

JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING , cilt.45, sa.3, 2023 (SCI-Expanded)

14. FARKLI UYDU FIRLATICI ARAYÜZLERİ İÇİN TİTREŞİM TEST ADAPTÖRÜ TASARLANMASI

Akgül A., Bağdat Ü., Ünal R.

Mühendis ve Makina Güncel , cilt.2022, sa.72, ss.39-46, 2022 (Hakemsiz Dergi)

15. Additive manufacturing design approach to strut-based functionally graded porous structures for personalized implants

Tüzemen M. Ç., Salamcı E., Ünal R.

JOURNAL OF MANUFACTURING PROCESSES , cilt.84, ss.1526-1540, 2022 (SCI-Expanded, Scopus)

16. Additive manufacturing of ceramic particle-reinforced aluminum‐based metal matrix composites: a review

Karabulut Y., Ünal R.

Journal of Materials Science , cilt.57, sa.41, ss.19212-19242, 2022 (SCI-Expanded)

17. An ab initio study on phase stability, elastic and mechanical properties of Zr-doped TiAl2 and α-TiAl3 intermetallics

Mermer E., ÇİNİCİ H., UĞUR G., ÜNAL R.

EPL , cilt.140, sa.3, 2022 (SCI-Expanded)

18. An experimental analysis of three different corrosion behaviors, passivation, pitting and uniform, of electrodeposited Chromium-Nano diamond composite coating on porous materials

Zoghipour N., Valov R., Petkov V., Salamcı E., Ünal R.

Makina Tasarım ve Imalat Dergisi , cilt.20, sa.2, ss.79-85, 2022 (Hakemli Dergi)

19. Investigation of Passivation, Pitting and Uniform Corrosion Performances of Chromium Coatings Reinforced with Nano Diamond Particles on Porous Powder Metallurgy Specimens

Zoghipour N., SALAMCİ E., ÜNAL R., Valov R., Petkov V.

Protection of Metals and Physical Chemistry of Surfaces , cilt.58, sa.5, ss.1011-1017, 2022 (SCI-Expanded, Scopus)

20. Investigation of Zerodur Glass Ceramic Material Characterization to Predict the Relationship between Surface Roughness and Subsurface Damage

Ötenkaya Ş., Ünal R.

Journal of aviation (Online) , cilt.6, sa.3, ss.266-274, 2022 (Hakemli Dergi)

21. Development of Gamma Titanium Aluminide (γ-TiAl) Alloys: A Review

Genc O., Ünal R.

JOURNAL OF ALLOYS AND COMPOUNDS , cilt.929, sa.1, ss.1-28, 2022 (SCI-Expanded)

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

Dursun A. M., Tüzemen M. Ç., Salamci E., Yılmaz O., Ünal R.

JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI , cilt.25, sa.3, ss.1069-1082, 2022 (ESCI)

23. Investigation of the relationship between flexural modulus of elasticity and functionally graded porous structures manufactured by AM

TÜZEMEN M. Ç., SALAMCİ E., ÜNAL R.

Materials Today Communications , cilt.31, 2022 (SCI-Expanded, Scopus)

24. 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 , cilt.120, ss.4041-4050, 2022 (SCI-Expanded, Scopus)

25. Structural, elastic and mechanical properties of Hf-doped TiAl2 and alpha-TiAl3 intermetallic compounds: first-principle calculations

Mermer E., ÇİNİCİ H., UĞUR G., ÜNAL R.

EUROPEAN PHYSICAL JOURNAL B , cilt.95, sa.5, 2022 (SCI-Expanded)

26. Additive manufacturing of gamma titanium aluminide alloys: a review

Emiralioğlu A., Ünal R.

Journal of Materials Science , cilt.57, sa.7, ss.4441-4466, 2022 (SCI-Expanded)

27. 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 , cilt.58, ss.42-52, 2022 (SCI-Expanded, Scopus)

28. 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 , cilt.32, sa.1, ss.175-191, 2022 (SCI-Expanded)

29. 3D Cfd Modelling of Non-transferred Argon Plasma Torch

Demir F., Yurtkuran E., Ünal R., Özsunar A.

Materials Today Proceedings , cilt.32, ss.12-17, 2020 (Hakemli Dergi)

30. 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 , cilt.40, ss.1127-1144, 2020 (SCI-Expanded)

31. 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 , cilt.76, sa.10, ss.916-922, 2020 (SCI-Expanded)

32. Toz Üretim Süreçlerinin Yağlamalı Yataklar Üzerine Etkisi

Urtekin L., Ünal R., Aydın Ö.

Dicle Üniversitesi Mühendislik Fakültesi , cilt.11, sa.2, ss.647-652, 2020 (Hakemli Dergi)

33. 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 , cilt.55, sa.8, ss.2341-2354, 2019 (SCI-Expanded)

34. 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 , cilt.6, ss.200-207, 2019 (Hakemli Dergi)

35. Numerical modeling of torch design for plasma atomization

Yurtkuran E., Unal R., Ozsunar A.

Acta Physica Polonica A , cilt.134, ss.292-296, 2018 (SCI-Expanded)

36. 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 , cilt.33, ss.1135-1144, 2018 (SCI-Expanded)

37. 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 , cilt.33, ss.361-369, 2018 (SCI-Expanded)

38. 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 , cilt.57, sa.4, ss.333-336, 2017 (Hakemli Dergi)

39. 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 , cilt.25, sa.2, ss.80-85, 2017 (SCI-Expanded)

40. 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 , cilt.2, sa.7, ss.18-22, 2017 (Hakemli Dergi)

41. Effect of Nano-Diamond Modification of Chromium Coating on Sintered Ferrous Materials

Gıdıkova N., Salamci E., Valov R., Petkov V., Ünal R.

Journal of Materials Science and Technology , cilt.25, sa.2, ss.80-85, 2017 (SCI-Expanded)

42. 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 , cilt.31, sa.3, ss.580-589, 2016 (SCI-Expanded)

43. 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 , cilt.23, sa.10, ss.3020-3026, 2013 (SCI-Expanded)

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

Aydin O., Ünal R.

COMPUTERS & FLUIDS , cilt.42, ss.37-43, 2011 (SCI-Expanded)

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

Uenal R.

POWDER METALLURGY , cilt.50, sa.4, ss.302-306, 2007 (SCI-Expanded)

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

Aydın M., Ünal R.

Makine Teknolojileri Dergisi , cilt.1, ss.69-76, 2007 (Hakemli Dergi)

47. Improvements to close coupled gas atomisation nozzle for fine powder production

ÜNAL R.

POWDER METALLURGY , cilt.50, sa.1, ss.66-71, 2007 (SCI-Expanded)

48. 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 , cilt.49, ss.349-354, 2006 (SCI-Expanded)

49. 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 , cilt.180, ss.291-295, 2006 (SCI-Expanded)

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

Gürçay E., ÜNAL R.

Metall , cilt.60, sa.6, ss.383-386, 2006 (SCI-Expanded)

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

ÜNAL R., Kainer K.

Powder Metallurgy , cilt.41, sa.2, ss.119-122, 1998 (SCI-Expanded)

Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler 35

1. The Effects of Thickness and Stacking Sequence on Crippling Phenomenon for Laminated Composite Structures

Yildirim E. G., ÜNAL R.

10th International Conference on Recent Advances in Air and Space Technologies, RAST 2023, İstanbul, Türkiye, 7 - 09 Haziran 2023, (Tam Metin Bildiri)

2. First principles study of structural,elastic and mechanical properties of Ti-(44-x)Al-5Zr-xNb alloys

Mermer E., ÇİNİCİ H., UĞUR G., ÜNAL R.

INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS SCIENCE & ENGINEERING AND HIGH TECH DEVICE APPLICATIONS, Ankara, Türkiye, 27 - 29 Ekim 2022, cilt.1, ss.55-58, (Tam Metin Bildiri)

3. 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, Türkiye, 22 - 26 Nisan 2017, cilt.32, ss.12-17, (Tam Metin Bildiri)

4. 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, Türkiye, 20 - 22 Temmuz 2019, ss.237-243, (Tam Metin Bildiri)

5. 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, Türkiye, 20 - 22 Temmuz 2019, ss.244-250, (Tam Metin Bildiri)

6. 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, Türkiye, 23 - 24 Nisan 2019, ss.1116, (Özet Bildiri)

7. 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, Türkiye, 22 - 24 Mart 2018, cilt.6, ss.200-207, (Tam Metin Bildiri)

8. 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, Türkiye, 19 - 21 Nisan 2018, ss.660-668, (Tam Metin Bildiri)

9. 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, Türkiye, 19 - 21 Nisan 2018, (Tam Metin Bildiri)

10. 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, Türkiye, 2 - 04 Kasım 2017, ss.49-54, (Tam Metin Bildiri)

11. 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 Eylül 2017, (Tam Metin Bildiri)

12. 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 Eylül 2017, (Tam Metin Bildiri)

13. 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 Eylül 2017, (Özet Bildiri)

14. 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 Ağustos 2017, cilt.2, ss.88-92, (Tam Metin Bildiri)

15. 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, Türkiye, 3 Nisan - 05 Aralık 2017, ss.291-296, (Tam Metin Bildiri)

16. 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, Türkiye, 22 - 26 Nisan 2017, (Özet Bildiri)

17. 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 Nisan 2017, (Özet Bildiri)

18. Production of Silver Alloy Powder to Manufacture Dental Amalgam

GÜLEŞEN M., ÜNAL R.

International Congress on Applied Science and Technology (ASTECH’xx2017), 17 - 20 Nisan 2017, cilt.1, ss.29, (Özet Bildiri)

19. 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 Nisan 2017, cilt.1, ss.30, (Özet Bildiri)

20. 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, Türkiye, 29 - 31 Mart 2017, (Özet Bildiri)

21. 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, Türkiye, 29 - 31 Mart 2017, (Tam Metin Bildiri)

22. 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, Türkiye, 22 - 26 Nisan 2017, cilt.32, ss.12-17, (Tam Metin Bildiri)