Kurum Yazarı "Bal, Burak" İçin Listeleme
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Accurate Prediction of Residual Stresses in Machining of Inconel 718 Alloy through Crystal Plasticity Modelling
Kesriklioglu, Sinan; Kapci, Mehmet Fazil; Büyükçapar,Rıdvan; Çetin , Barış; Yılmaz, Okan Deniz; Bal, Burak (Afyon Kocatepe Üniversitesi, 2023)Determination and assessment of residual stresses are crucial to prevent the failure of the components used in defense, aerospace and automotive industries. The objective of this study is to present a material method to ... -
An atomistic study on the HELP mechanism of hydrogen embrittlement in pure metal Fe
Hasan, Md Shahrier; Kapci, Mehmet Fazil; Bal, Burak; Koyama, Motomichi; Bayat, Hadia; Xu, Wenwu (PERGAMON-ELSEVIER SCIENCE LTD, 2024)The Hydrogen Enhanced Localized Plasticity (HELP) mechanism is one of the most important theories explaining Hydrogen Embrittlement in metallic materials. While much research has focused on hydrogen's impact on dislocation ... -
Çok Ölçekli Malzeme Modellemesi Yoluyla Talaşlı İmalat Çıktılarının Daha Kapsamlı Ve Doğru Analizi
Bal, Burak; LAYEGH KHAVIDAKI, SEYD EHSAN (TUBİTAK, 2020)İnconel 718 savunma sanayi, uzay-havacılık ve otomotiv için kullanılan ve ileride kullanım alanı daha da genişleyebilecek olan süper alaşımdır. Bu projede Inconel 718 süper alaşımının talaşlı imalat sonucunda yüzeyinde ... -
Data-driven discovery and DFT modeling of Fe4H on the atomistic level
Zagorac, Dejan; Zagorac, Jelena; Djukic, Milos B.; Bal, Burak; Schön, J. Christian (ELSEVIER, 2024)Since their discovery, iron and hydrogen have been two of the most interesting elements in scientific research, with a variety of known and postulated compounds and applications. Of special interest in materials engineering ... -
DETERMINATION OF MATERIAL RESPONSE AND OPTIMIZATION OF JOHNSON-COOK DAMAGE PARAMETERS OF ALUMINIUM 7075 ALLOY
Bal, Burak (Selçuk Üniversitesi, 2018)The effects of rolling direction and notch radius on the mechanical response of aluminium7075-T651 alloy were investigated and the Johnson-Cook damage parameters of aluminium 7075-T651alloy on both rolling directions were ... -
Development of an optical measurement system for surface depth measurements and study of focus effect on determination of steel inclusion content by EN-10247
Durkaya, Goksel; Kurtuldu, Huseyin; Cetin, Baris; Bal, Burak (SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225, 2021)Surface inspections are important in steelmaking processes to characterize the final product's quality. We present a method to measure surface depth profile using laser scattering geometry. This technique is used to analyze ... -
Edge dislocation depinning from hydrogen atmosphere in α-iron
Kapci, Mehmet Fazil; Yu, Ping; Liu, Guisen; Shen, Yao; Li, Yang; Bal, Burak; Marian,Jaime (Acta Materialia Inc, 2024)Understanding the dislocation motion in hydrogen atmosphere is essential for revealing the hydrogen-related degradation in metallic materials. Atomic simulations were adopted to investigate the interaction between dislocations ... -
Effect of pre-rolling temperature on the interfacial properties and formability of steel-steel bilayer sheet in Single Point Incremental Forming
Hassan, Malik; Hussain, Ghulam; Ali, Aaqib; Ilyas, Muhammad; Malik, Sohail; Khan, Wasim A. (SAGE PUBLICATIONS LTD1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2021)The aim of this research was to investigate the effect of pre-rolling temperature on the interfacial properties in delamination modes 1 and 2; and formability in Single Point Incremental Forming (SPIF) of Steel-Steel (St-St) ... -
The Effect of Strain Rate on the Hydrogen Embrittlement Susceptibility of Aluminum 7075
Baltacioglu, Mehmet Furkan; Bal, Burak; Cetin, Baris (ASME, 2023)The effects of changing the strain rate regime from quasi-static to medium on hydrogen susceptibility of aluminum (Al) 7075 were investigated using tensile tests. Strain rates were selected as 1 s(-1) and 10(-3) s(-1) and ... -
Experimental and Molecular Dynamics Simulation-Based Investigations on Hydrogen Embrittlement Behavior of Chromium Electroplated 4340 Steel
Dogan, Ozge; Kapci, Mehmet Fazil; Esat, Volkan; Bal, Burak (ASMETWO PARK AVE, NEW YORK, NY 10016-5990, 2021)In this study, chromium electroplating process, corresponding hydrogen embrittlement, and the effects of baking on hydrogen diffusion are investigated. Three types of materials in the form of Raw 4340 steel, Chromium ... -
Farklı Mikroyapısal Değişkenlerin Yüksek Manganlı Fe-%33Mn Çeliğinin Pekleşme Davranışına Etkilerinin Araştırılması
Bal, Burak (TUBİTAK, 2019)İleri yüksek mukavemetli çelikler sahip olmuş oldukları yüksek mukavemet, yüksek süneklik ve yüksek pekleşme kabiliyeti gibi üstün özellikler sayesinde otomotiv, demiryolu, savunma sanayi uygulamalarında ve yapı endüstrisi ... -
Finite Element Analysis of the Stress Distribution Associated With Different Implant Designs for Different Bone Densities
Leblebicioglu Kurtulus, Ikbal; Kilic, Kerem; Bal, Burak; Kilavuz, Ahmet (WILEY, 2022)Purpose: The main objective of this study was to investigate the influence of implant design, bone type, and abutment angulation on stress distribution around dental implants. Materials and methods: Two implant designs ... -
Hydrogen susceptibility of Al 5083 under ultra-high strain rate ballistic loading
Baltacioglu, Mehmet Furkan; Mozafari, Farzin; Aydin, Murat; Cetin, Baris; Oktan, Aynur Didem; Teoman, Atanur; Li, Yang; Bal, Burak (Walter de Gruyter GmbH, 2024)The effect of hydrogen on the ballistic performance of aluminum (Al) 5083H131 was examined both experimentally and numerically in this study. Ballistics tests were conducted at a 30° obliquity in accordance with the ballistic ... -
Investigation of Hydrogen Diffusion Profile of Different Metallic Materials for a Better Understanding of Hydrogen Embrittlement
Kapci, Mehmet Fazil; Bal, Burak (Gazi Üniversitesi, 2023)In this study, hydrogen diffusion profiles of different metallic materials were investigated. To model hydrogen diffusion, 1D and 2D mass diffusion models were prepared in MATLAB. Iron, nickel and titanium were selected ... -
INVESTIGATION OF TEMPERATURE AND PRESSURE EFFECT ON THE HYDROGEN SORPTION KINETICS IN THE INTERFACE OF Mg/MgH2 BY MOLECULAR DYNAMICS
Kapçı, Mehmet Fazıl; Wu, Zhen; Bal, Burak (International Association for Hydrogen Energy, IAHE, 2022)Molecular dynamics simulations were performed in order to analyze the hydrogen sorption kinetics between αMgH2 and hcp Mg structures under different temperatures and pressures. Results showed that hydrogen desorption from ... -
Investigations of strain rate, size, and crack length effects on the mechanical response of polycaprolactone electrospun membranes
Bayram, Ferdi C.; Kapci, Mehmet F.; Yuruk, Adile; Isoglu, Ismail A.; Bal, Burak (SAGE PUBLICATIONS LTD1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2021)The effects of strain rate, size (height x width), and pre-existing crack length on the mechanical response of polycaprolactone electrospun membranes were investigated by tension tests conducted at room temperature. In ... -
Numerical Investigation of the Role of Volumetric Transformation Strain on the Relaxation Stress and the Corresponding Hydrogen Interstitial Concentration in Niobium Matrix
Bal, Burak (HINDAWI LTD, ADAM HOUSE, 3RD FLR, 1 FITZROY SQ, LONDON, W1T 5HF, ENGLAND, 2017)The effects of relaxation stress on the hydrogen concentration in Niobium-(Nb-) H media were investigated by iterative numerical modeling approach. To calculate the transformation strain, relaxation stress, and corresponding ... -
A phenomenological hydrogen induced edge dislocation mobility law for bcc Fe obtained by molecular dynamics
Baltacioglu, Mehmet Furkan; Kapci, Mehmet Fazil; Schön, J. Christian; Marian, Jaime; Bal, Burak (ELSEVIER, 2024)Investigating the interaction between hydrogen and dislocations is essential for understanding the origin of hydrogen-related fractures, specifically hydrogen embrittlement (HE). This study investigates the effect of ... -
Potential Effects of Short-Range Order on Hydrogen Embrittlement of Stable Austenitic Steels—A Review
Koyama, Motomichi; Bal, Burak; Canadinc, Dermican; Habib, Kishan; Tsuchiyama, Toshihiro; Tsuzaki, Kaneaki; Akiyama, Eiji (Springer Science and Business Media Deutschland GmbH, 2021)Here, we present a review of the hydrogen embrittlement behavior of face-centered cubic (FCC) alloys with short-range order (SRO) of solute atoms. In this paper, three types of FCC alloys are introduced: Fe–Mn–C austenitic ... -
The role of hydrogen in the edge dislocation mobility and grain boundary-dislocation interaction in alpha-Fe
Kapci, Mehmet Fazil; Schoen, J. Christian; Bal, Burak (PERGAMON-ELSEVIER SCIENCE LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2021)The atomistic mechanisms of dislocation mobility depending on the presence of hydrogen were investigated for two edge dislocation systems that are active in the plasticity of alpha-Fe, specifically 1/2<111>{110} and ...
