Öğretim Görevlisi Dr. Namık Kemal GÖZÜAÇIK
Malzeme Bilimi ve Mühendisliği

Dr. Namık Kemal GÖZÜAÇIK
Telefon
(262) 605 27 22
E-Posta
nkgozuacik@gtu.edu.tr
Ofis
H2 Blok, 215
Çalışma alanları
Elektroseramik Malzemelerin Üretimi ve Karakterizasyonu (Piezoelektrik, Ferroelektrik, Antiferroelektrik Seramikler), Mikro Ark Oksidasyon, UV-VIS Spektrofotometre

Articles Published in Refereed Journals

1. Namık Kemal Gözüaçık and Sedat Alkoy, “Origin of the ultrahigh field-induced strain in the Gd-doped 0.854Bi0.5Na0.5TiO3-0.12Bi0.5K0.5TiO3-0.026BaTiO3; ternary ceramic system”, Japanese Journal of Applied Physics, 63, 09SP13, 2024.

2. Berksoy-Yavuz, A., Kaya, M.Y., Yalcin, E., Gozuacik, N.K., Mensur, E., “Effect of texture on ultra-high strain behavior in eco-friendly NBT-0.25ST ceramics using NBT template”,Journal of the American Ceramic Society, 107(8), 5502-5511, 2024.

3. Merve Buldu-Akturk,Namik Kemal Gozuacik, Mohamad Hasan Aleinawi, Arpad Mihai Rostas, Sedat Alkoy, Ebru Mensur and Emre Erdem, "Elucidating the capacitive behavior of Gd-doped BNT-BKT-BT electrodes in All-in-One supercapacitor devices",Physica Scripta, 98, 2023, 105933.

4. Ezgi Yalcin, Namık Kemal Gözüaçık, Sedat Alkoy, Hüseyin Alptekin Sarı, Mustafa Yunus Kaya, Çınar Öncel, Ebru Menşur, "Characterization of 1-3 piezocomposites from PNN-PZT piezoceramics", Sensors and Actuators A: Physical, 357, 1 August 2023, 114389.

5.Hilmi Alper Ateş, Muhammet Boz, Namık Kemal Gözüaçık, Sedat Alkoy, "A Comparative Study on the Production and Characterization of Thin Alumina Wafers for Electronic Circuit Substrate Applications", Seramik - Journal of the Turkish Ceramics Society, 3(2), 56-60, 2023.

6. Merve Nur ÇİFTÇİ, Berk DEĞİRMENCİ, Irem BÖBREK, Sedat ALKOY, Aykut AYKAÇ, Muhammet BOZ, Ayşe BERKSOY-YAVUZ, Ezgi YALCIN, Namik K. GOZUACIK and Ebru MENŞUR, "Design, development and characterization of a mid-frequency (35 khz) tonpilz transducer array from 0.675PMN-0.325PT piezoceramics", Journal of Metals, Materials and Minerals, 32(1), 144-149, 2022.

7. Namık Kemal Gözüaçık, Mustafa Çağrı Bayır, Barış Okatan, I. Burç Mısırlıoğlu, Sedat Alkoy and Ebru Menşur-Alkoy, "Enhancement of the electrocaloric effect in PbZr0.7Ti0.3O3ceramics via La doping: Driven by phase co-existence or defect effects?",Acta Materialia, 117559, 225, 2022.

8. E. Yalçın, M. Ankut, S.M. Sungur, H.I. Turgut, K.S. Kar, S. Alkoy, A. Aykaç, M. Boz, E. Aydın, N.K. Gözüaçık and E. Menşur, "Comparison of the Performance Characteristics of the Tonpilz Transducers Fabricated from 0.60PMN-0.40PT and PZT Piezoceramics", Ferroelectrics, 586(1), 82-92, 2022.

9.H.A. Sarı, N.K. Gözüaçık, M.Y. Kaya, E. Menşur and S. Alkoy, "Lead-based Antiferroelectrics Revisited for High Energy Density Capacitors and Large Strain Actuators", Ferroelectrics, 586(1), 21-40, 2022.

10. Gözüaçık, N.K., Bayır, M.Ç., Menşur-Alkoy, E. and Alkoy, S., “Origin of the Large Field Induced Strain and Enhanced Energy Storage Response of Rare-Earth Doped Lead-Free 0.854BNT–0.12BKT–0.026BT Ceramics”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 68(7), 2576-2584, 2021.

11. Gözüaçık, N.K., Menşur-Alkoy, E. and Alkoy, S., "Effects of lanthanum doping on electrical and electromechanical properties of (Pb1-xLax)(Zr0.70Ti0.30)O3 ceramics", Journal of Materials Science: Materials in Electronics, 30(15), 14045-14052, 2019.

12. Gözüaçık, N.K., Altay, M. and Baydoğan, M., "Micro Arc Oxidation of AZ91 Magnesium Alloy - Effect of Organic Compounds in the Electrolyte", Defect and Diffusion Forum, 353, 217-222, 2014.

International Conference Proceedings

1.Ezgi Yalçın,Namık Kemal Gözüaçık,Hüseyin Alptekin Sarı,Fetiye Sinem Somuncuoğlu,Sinem Saçlıoğlu,Ebru Menşur, "Dielectric, Ferroelectric, and Electrocaloric Properties of Undoped and Fe-doped 0.55PNN-0.45PZT Bulk Ceramics and 1-3 Piezocomposites", International Workshop on Piezoelectric Materials and Applications 2024 (IWPMA2024), 22-26 July 2024, Hannover, Germany. (Oral Presentation)

2. Namık Kemal Gözüaçık,Sedat Alkoy, "Origin of Ultrahigh Field-Induced Strain in the Gd-doped 0.854BNT-0.12BKT-0.026BT Ternary Ceramic System", 41st Meeting on Ferroelectric Materials and Their Applications (FMA41), 12-15 June 2024, Kyoto, Japan. (Oral Presentation)

3. Namık Kemal Gözüaçık, Tuğçe Koçak, Rümeysa Yurttaş, Sedat Alkoy, "Effect of Nd Doping on Electrical Properties of 0.854BNT-0.12BKT-0.026BT Piezoceramics", The 3rdInternational Materials Technologies and Metallurgy Conference (MTM 2023), 11-13 October 2023, Istanbul Technical University, Turkey. (Oral Presentation)

4. Ezgi Yalçın, Namık Kemal Gözüaçık, Sedat Alkoy, Ebru Menşur, "Investigation of Structural and Electrical Properties of Undoped and Fe-doped PNN-PZT Piezoceramics", The XVIIIth Conference of the European Ceramic Society, ECerS 2023, 2-6 July 2023, Lyon, France. (Oral Presentation)

5. Namık Kemal Gözüaçık, Ezgi Yalçın, Sedat Alkoy, Ebru Menşur-Alkoy, "Investigation of Electrocaloric Properties of Rare Earth Doped Lead Nickel Niobate-Lead Zirconate Titanate Ceramic Composition", XI. International Ceramic Congress (SerKon2022), organized by Afyon Kocatepe University and Turkish Ceramic Society, 21-23 November 2022, Afyonkarahisar, Turkey. (Oral Presentation)

6. Ezgi Yalçın, Namık Kemal Gözüaçık, Sedat Alkoy, Hüseyin Alptekin Sarı, Mustafa Yunus Kaya, and Ebru Menşur, "Characterization of 1-3 Piezocomposites from PNN-PZT Piezoceramics", International Workshop on Piezoelectric Materials and Applications in Actuators 2022 (IWPMA2022), 24-26 October 2022, Online (Oral Presentation)

7. Yalçın, E.,Gözüaçık, N.K., Alkoy, S., Aykaç, A., Boz, M., Menşur, E., "Design and Characterization of a Mid-Frequency Tonpilz Transducer Array from PZT-4 Piezoceramics", V. International Ceramic, Glass, Porcelain, Enamel, Glaze and Pigment Congress (SERES'21), organized by Eskişehir Technical University and Turkish Ceramic Society, 13-15 October 2021, Eskişehir, Turkey. (Poster Presentation)

8. Aykac, A.,Gözüaçık, N.K., Menşur, E., Alkoy, S., "Design and Characterization of a Tonpilz Transducer from 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 (PMN-PT) Ceramics", V. International Ceramic, Glass, Porcelain, Enamel, Glaze and Pigment Congress (SERES'21), organized by Eskişehir Technical University and Turkish Ceramic Society, 13-15 October 2021, Eskişehir, Turkey. (Poster Presentation)

9. Ezgi YALCIN, Merve ANKUT, Sena M. SUNGUR, H.Ibrahim TURGUT, K. Sueda KAR, Sedat ALKOY, Aykut AYKAC, Muhammet BOZ, Ecem AYDIN, Namık K. GOZUACIK and Ebru MENŞUR, "Comparison of the Performance Characteristics of the Tonpilz Transducers Fabricated from 0.60PMN-0.40PT and PZT Piezoceramics", Materials Thailand : AMF-AMEC 2021, July 7th - 9th, 2021, Thailand. (Oral Presentation)

10. Gözüaçık, N.K., Menşur-Alkoy, E. and Alkoy, S., "Effects of Rare Earth Doping on the Electrical and Electromechanical Properties of Lead-Free Bi0.487Na0.427K0.06Ba0.026TiO3 Ceramics", ISAF 2019 F2CP2, 14-19 July 2019, Lausanne, Switzerland. (Oral Presentation) (Full Paper)

11. Gözüaçık, N.K., Menşur-Alkoy, E. and Alkoy, S., "Effects of Lanthanum Doping on Dielectric and Ferroelectric Properties of Pb(Zr0.70,Ti0.30)O3 Ceramics", IV. International Ceramic, Glass, Porcelain, Enamel, Glaze and Pigment Congress (SERES'18), organized by Anadolu University, Eskişehir Technical University and Turkish Ceramic Society, 10-12 October 2018, Eskişehir, Turkey. (Oral Presentation)

12. Altay, M.,Gözüaçık, N.K., and Baydoğan, M., "Effect of Voltage Pulse Duration on Surface Properties of Micro Arc Oxidized AZ91 Mg Alloy",TMS 2014 143rd Annual Meeting and Exhibition, 16-20 February 2014, San Diego, California - USA.

Research Projects

1."Kurşunsuz Antiferroelektrik Seramiklerin Çok Katmanlı Yüksek Enerji Yoğunluklu Kapasitör Uygulamaları İçin Geliştirilmesi", TÜBİTAK 1002, 123M632, 2023-2024, Proje Yürütücüsü.

2."Determination of Electrocaloric and Elastocaloric Properties of Flexible Polymer/Ferroelectric Composites with Various Connectivity", US Air Force Office of Scientific Research (AFOSR), FA9550-23-1-0296, 2023,Yarı Zamanlı Araştırmacı.

Doktora Tezi:

Antiferroelektrik Seramiklerin Yüksek Enerji Yoğunluğuna Sahip Kapasitör ve Elektrokalorik Uygulamalar İçin İncelenmesi

Tez Danışmanı: Prof. Dr. Sedat ALKOY

Gebze Teknik Üniversitesi - Malzeme Bilimi ve Mühendisliği, Ağustos - 2023

Yüksek Lisans Tezi:

AZ91 Magnezyum Alaşımının Mikro Ark Oksidasyonunda Elektrolit Bileşiminin Etkileri

Tez Danışmanı: Doç. Dr. Murat BAYDOĞAN

İstanbul Teknik Üniversitesi - Malzeme Mühendisliği, Haziran - 2012

Lisans Tezi:

Medikal Uygulamalarda Kullanılan Titanyum Alaşımlarının Yüzey Modifikasyonu

Tez Danışmanı: Prof. Dr. Hüseyin ÇİMENOĞLU

İstanbul Teknik Üniversitesi - Metalurji ve Malzeme Mühendisliği, Haziran - 2010

  • Doktora: Gebze Teknik Üniversitesi - Malzeme Bilimi ve Mühendisliği (2017 - 2023)
  • Yüksek lisans: İstanbul Teknik Üniversitesi - Malzeme Mühendisliği (2010 - 2012)
  • Lisans: İstanbul Teknik Üniversitesi - Metalurji ve Malzeme Mühendisliği (2006 - 2010)