Investigation of the effects of conventional sintering and spark plasma sintering methods on the microstructural properties and hardness of nanostructured CoCrFeNi high entropy alloy

Baloğlu Ali Rıza,TEKİN MUSTAFA,KOTAN HASAN , Place of Publication: Journal of the Faculty of Engineering and Architecture of Gazi University , 2024

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttps://dergipark.org.tr/tr/download/article-file/3340406

Enhancing formability of Ti-6Al-4V cylindrical cups by pulsating hydroforming process: Experimental, numerical and microstructural investigations

ÖZTÜRK OSMAN, AYDIN MEVLÜT, GÖKCEPINAR ÖMER FARUK, İLBEYLİ HARUN MERT, KORKMAZ HABİP GÖKAY, YAPAN YUSUF FURKAN, DİLMEÇ MURAT, HALKACI HÜSEYİN SELÇUK, KOTAN HASAN, LİVATYALI HAYDAR, TOROS SERKAN, TÜRKÖZ MEVLÜT , Place of Publication: Elsevier BV , 2024

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.jestch.2023.101606

Effect of in-situ formed oxide and carbide phases on microstructure and corrosion behavior of Zr/Y doped CoCrFeNi high entropy alloys prepared by mechanical alloying and spark plasma sintering

KOTAN HASAN, TEKİN MUSTAFA, BAYATLI ALEYNA, BAYRAK KÜBRA, KOCABAŞ MUSTAFA, AYAS ERHAN , Place of Publication: Intermetallics , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.intermet.2023.107998

Wear behavior of in-situ oxide dispersion strengthened Fe-8Ni alloy with Zr additions

TEKİN MUSTAFA, MUHAFFEL FAİZ, KOTAN HASAN, BAYDOĞAN MURAT , Place of Publication: Journal of Metals, Materials and Minerals , 2023

UluslararasıHakemliemergingÖzgün Makalehttp://dx.doi.org/10.55713/jmmm.v33i1.1568

Formability improvement in Ti–6Al–4 V sheet at room temperature by pulsating hydraulic bulging: experimental and numerical investigations

ÖZTÜRK OSMAN, Korkmaz Habip, Ataş Gürkan, Aydın Mevlüt, TÜRKÖZ MEVLÜT, TOROS SERKAN, DİLMEÇ MURAT, LİVATYALI HAYDAR, KOTAN HASAN, HALKACI HÜSEYİN SELÇUK , Place of Publication: The International Journal of Advanced Manufacturing Technology , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1007/s00170-022-10693-3

Microstructural Characterization of Improved Formability of Ti-6Al-4V Sheet by Pulsating Hydraulic Bulging at Room Temperature

YAPAN YUSUF FURKAN, ÖZTÜRK OSMAN, TÜRKÖZ MEVLÜT, DİLMEÇ MURAT, LİVATYALI HAYDAR, HALKACI HÜSEYİN SELÇUK, KOTAN HASAN , Place of Publication: Springer Science and Business Media LLC , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1007/s11665-022-07550-5

Indentation creep behavior of Fe–8Ni–xZr oxide dispersion strengthened alloys

TEKİN MUSTAFA, MUHAFFEL FAİZ, KOTAN HASAN, BAYDOĞAN MURAT , Place of Publication: Walter de Gruyter GmbH , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1515/mt-2023-0030

Inkjet printing of highly dispersed, shortened, and defect-rich MWCNTs to construct flexible electrochemical sensors for the detection of bisphenol A in milk samples

Sarıkaya Sumeyye, İPEKCİ HASAN HÜSEYİN, KOTAN HASAN, UZUNOĞLU AYTEKİN , Place of Publication: Elsevier BV , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.carbon.2023.118362

Investigation and production of non-cytotoxic TixNbxSn (x=5,10,15,20) alloys by high-energy mechanical milling with antibacterial activity

BATIBAY AHMET BURÇİN, ERCİ FATİH, KOTAN HASAN, Karavelioğlu Zeynep, ÇAKIR KOÇ RABİA, ORAL İMRAN, EVCİN ATİLLA , Place of Publication: Elsevier BV , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.mtcomm.2023.106912

Investigation and production of non-cytotoxic TixNbxSn (x = 5,10,15,20) alloys by high-energy mechanical milling with antibacterial activity

BATIBAY AHMET BURÇİN, ERCİ FATİH, KOTAN HASAN, KARAVELİOĞLU ZEYNEP, ÇAKIR RABİA, ORAL İMRAN, EVCİN ATİLLA , Place of Publication: Elsevier BV , 2023

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.mtcomm.2023.106912

An investigation of abnormal grain growth in Zr doped CoCrFeNi HEAs through in-situ formed oxide phases

TEKİN MUSTAFA, POLAT GÖKHAN, KOTAN HASAN , Place of Publication: Intermetallics , 2022

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.intermet.2022.107588

Role of yttrium addition and annealing temperature on thermal stability and hardness of nanocrystalline CoCrFeNi high entropy alloy

POLAT GÖKHAN, TEKİN MUSTAFA, KOTAN HASAN , Place of Publication: Intermetallics , 2022

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.intermet.2022.107589

Microstructural Characterization and Hardness Study of Nanostructured CoCrFeNi High Entropy Alloys with Dual Effect of Y and Nano-Sized Y2O3 Additions

TEKİN MUSTAFA, KOTAN HASAN , Place of Publication: Transactions of the Indian Institute of Metals , 2022

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1007/s12666-022-02615-4

Preparation of defect-rich, N-doped activated carbons via high-energy ball milling and investigation of their electrochemical performances towards hydrogen peroxide sensing

UZUNOĞLU AYTEKİN, KOTAN HASAN, Karaağaç Rumeysa, İPEKCİ HASAN HÜSEYİN , Place of Publication: Applied Nanoscience , 2022

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1007/s13204-021-02321-5

Effect of Composition, Mechanical Alloying Temperature and Cooling Rate on Martensitic Transformation and Its Reversion in Mechanically Alloyed Stainless Steels

POLAT GÖKHAN,KOTAN HASAN , Place of Publication: Metals and Materials International , 2021

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1007/s12540-020-00866-8

Grain size stabilization of oxide dispersion strengthened CoCrFeNi-Y2O3 high entropy alloys synthesized by mechanical alloying

TEKİN MUSTAFA, POLAT GÖKHAN, KALAY YUNUS EREN, KOTAN HASAN , Place of Publication: Journal of Alloys and Compounds , 2021

UluslararasıHakemliSCIÖzgün Makalehttp://dx.https://www.sciencedirect.com/science/article/abs/pii/S0925838821027729doi.org/10.1016/j.jallcom.2021.161363

Effect of Y addition on the structural transformation and thermal stability of Ti-22Al-25Nb alloy produced by mechanical alloying

ÇETİN MEHMET EMİN, POLAT GÖKHAN, TEKİN MUSTAFA, BATIBAY AHMET BURÇİN, KOTAN HASAN , Place of Publication: Materials Testing , 2021

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttps://www.degruyter.com/document/doi/10.1515/mt-2020-0099/html

Effect of Hf additions on phase transformation, microstructural stability, and hardness of nanocrystalline 304L stainless steels synthesized by mechanical alloying

KOTAN HASAN, POLAT GÖKHAN, YILDIZ Ayşe Büşra , Place of Publication: Advanced Powder Technology , 2021

UluslararasıHakemliSCIÖzgün Makalehttp://dx.doi.org/10.1016/j.apt.2021.07.004

Effect of milling time, MWCNT content, and annealing temperature on microstructure and hardness of Fe/MWCNT nanocomposites synthesized by high-energy ball milling

POLAT GÖKHAN, CANBOLAT Ismail Emre, UZUNOĞLU AYTEKİN, KOTAN HASAN , Place of Publication: Advanced Powder Technology , 2021

UluslararasıHakemliSCIÖzgün Makalehttp://dx.doi.org/10.1016/j.apt.2021.06.024

High Temperature Mechanical Properties and Microstructures of Thermally Stabilized Fe-Based Alloys Synthesized by Mechanical Alloying Followed by Hot Extrusion

KOTAN HASAN,Darling Kris,Luckenbaugh Tom , Place of Publication: Metals and Materials International , 2021

UluslararasıHakemliSCIÖzgün Makalehttp://dx.doi.org/10.1007/s12540-019-00567-x

Understanding microstructural evolution and hardness of nanostructured Fe89.5Ni8Zr2.5 alloy produced by mechanical alloying and pressureless sintering

POLAT GÖKHAN,BATIBAY AHMET BURÇİN,KOTAN HASAN , Place of Publication: Engineering Science and Technology, an International Journal , 2020

UluslararasıHakemliSCIÖzgün Makalehttp://dx.doi.org/10.1016/j.jestch.2020.03.010

Effect of Y and nano-Y2O3 additions on grain growth and hardness of nanocrystalline austenitic stainless steels produced by mechanical alloying

KOTAN HASAN , Place of Publication: Gazi Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi , 2019

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dergipark.gov.tr/doi/10.17341/gazimmfd.460523

Thermal stability, phase transformation and hardness of mechanically alloyed nanocrystalline Fe-18Cr-8Ni stainless steel with Zr and Y 2 O 3 additions

KOTAN HASAN , Place of Publication: JOURNAL OF ALLOYS AND COMPOUNDS , 2018

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0925838818312015

A study of microstructural evolution of Fe-18Cr-8Ni, Fe-17Cr-12Ni, and Fe-20Cr-25Ni stainless steels after mechanical alloying and annealing

KOTAN HASAN,Darling Kris , Place of Publication: Materials Characterization , 2018

UluslararasıHakemliSCIÖzgün Makale

Phase transformation and grain growth behavior of a nanocrystalline 18/8 stainless steel

KOTAN HASAN,Darling Kris A , Place of Publication: Materials Science and Engineering: A , 2017

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0921509317300394

Consolidation of Thermally Stabilized Fe Based Ferritic Steels Via Hot Pressing And Hot Extrusion (Ecae)

KOTAN HASAN , Place of Publication: Gazi Üniv. Müh. Mim. Fak. Der. , 2016

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttps://dergipark.org.tr/tr/download/article-file/259855

Structure and mechanical properties of Fe Ni Zr oxide dispersion strengthened ODS alloys

Darling KA, Kapoor M., KOTAN HASAN, Hornbuckle BC, Walck SD, Thompson GB, MA Tschopp, Kecskes LJ , Place of Publication: Journal of Nuclear Materials , 2015

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0022311515302002

Isothermal Annealing of a Thermally Stabilized Fe Based Ferritic Alloy

KOTAN HASAN,Kris A Darling , Place of Publication: Journal of Materials Engineering and Performance , 2015

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://link.springer.com/10.1007/s11665-015-1613-z

Microstructural evolution of 316L stainless steels with yttrium addition after mechanical milling and heat treatment

KOTAN HASAN , Place of Publication: Materials Science and Engineering: A , 2015

UluslararasıHakemliSCIÖzgün Makalehttp://dx.doi.org/10.1016/j.msea.2015.09.011

Influence of Zr and nano Y2O3 additions on thermal stability and improved hardness in mechanically alloyed Fe base ferritic alloys

KOTAN HASAN,Kris A Darling,Scattergood Ronald O,Koch Carl C , Place of Publication: JOURNAL OF ALLOYS AND COMPOUNDS , 2014

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0925838814016442

Thermal Stability of Nanocrystalline Grain Size in Ternary Fe-Base Alloys

Koch Carl C,Ronald O Scattergood,KOTAN HASAN,Saber Mostafa , Place of Publication: Materials Science Forum , 2013

UluslararasıHakemliSCOPUSÖzgün Makalehttp://dx.doi.org/10.4028/www.scientific.net/msf.753.341

Thermal stability and mechanical properties of nanocrystalline Fe Ni Zr alloys prepared by mechanical alloying

KOTAN HASAN,Kris A Darling,Mostafa Saber,Ronald O Scattergood , Place of Publication: Journal of Materials Science , 2013

UluslararasıHakemliSCIÖzgün Makalehttp://link.springer.com/10.1007/s10853-013-7652-7

High temperature stabilization of nanocrystalline grain size Thermodynamic versus kinetic strategies

Carl C Koch,Ronald O Scattergood,Mostafa Saber,KOTAN HASAN , Place of Publication: Journal of Materials Research , 2013

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://www.journals.cambridge.org/abstract_S0884291412004293

An in situ experimental study of grain growth in a nanocrystalline Fe91Ni8Zr1 alloy

KOTAN HASAN,Kris A Darling,Mostafa Saber,Ronald O Scattergood,Carl C Koch , Place of Publication: Journal of Materials Science , 2013

UluslararasıHakemliSCIÖzgün Makalehttp://link.springer.com/10.1007/s10853-012-7002-1

A predictive model for thermodynamic stability of grain size in nanocrystalline ternary alloys

Mostafa Saber,KOTAN HASAN,Carl C Koch,Ronald Scattergood , Place of Publication: Journal of Applied Physics , 2013

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://scitation.aip.org/content/aip/journal/jap/114/10/10.1063/1.4821040

Thermodynamic stabilization of nanocrystalline binary alloys

Mostafa Saber,KOTAN HASAN,Carl C Koch,Ronald Scattergood , Place of Publication: Journal of Applied Physics , 2013

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://scitation.aip.org/content/aip/journal/jap/113/6/10.1063/1.4791704

Effect of zirconium on grain growth and mechanical properties of a ball milled nanocrystalline FeNi alloy

KOTAN HASAN,Kris A Darling,Mostafa Saber,Carl C Koch,Ronald O Scattergood , Place of Publication: JOURNAL OF ALLOYS AND COMPOUNDS , 2013

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0925838812019585

Biofuels energy sources and future of biofuels energy in Turkey

ACAROĞLU MUSTAFA,AYDOĞAN HASAN , Place of Publication: Biomass and Bioenergy , 2012

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0961953411005125

Thermal stability of nanocrystalline Fe Cr alloys with Zr additions

Mostafa Saber,KOTAN HASAN,Carl C Koch,Ronald O Scattergood , Place of Publication: Materials Science and Engineering: A , 2012

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S0921509312010076

Effect of annealing on microstructure grain growth and hardness of nanocrystalline Fe Ni alloys prepared by mechanical alloying

KOTAN HASAN,Mostafa Saber,Koch CC,RO Scattergood , Place of Publication: Materials Science and Engineering: A , 2012

UluslararasıHakemliSCIÖzgün Makalehttp://linkinghub.elsevier.com/retrieve/pii/S092150931200737X

Automated Orientation Imaging Microscopy of Nanoscale Al Thin Films After Rapid Solidification Using SEM and TEM

Andreas Kulovits,Facco Giovanni,KOTAN HASAN,Wiezorek Jorg , Place of Publication: Microscopy and Microanalysis , 2010

UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1017/s1431927610053936

Microstructural Evolution and Mechanical Properties of Y Added CoCrFeNi High-entropy Alloys Produced by Arc-melting

POLAT GÖKHAN,KOTAN HASAN , Place of Publication: Hittite Journal of Science and Engineering , 2024

UlusalHakemliTR DİZİNÖzgün Makalehttp://dx.doi.org/10.17350/hjse19030000328

Investigation of The Effect of Mechanical Alloying Duration on The Microstructure, Hardness and Elastic Modulus Properties of Ti10Nb10Sn Alloy

BATIBAY AHMET BURÇİN, KOTAN HASAN, EVCİN ATİLLA , Place of Publication: El-Cezerî Fen ve Mühendislik Dergisi , 2021

UlusalHakemliTR DİZİNÖzgün Makale