Hasan İlker Yelbay

E-mail

yelbay@metu.edu.tr

Department

Welding Tech. and Non-Destructive Testing Res./App. Center

Non-Destructive Characterization of Cold Rolled Low-Carbon Steels Grum, Janez; Gür, Cemil Hakan; Yelbay, Hasan İlker; Sturm, Roman; Pechnik, B (2018-12-26)
Nondestructive determination of curing state of rubbers during vulcanization process Ülger, C; Aydın, E; Yelbay, Hasan İlker; Kutlu, A; Gür, Cemil Hakan (null; 2018-06-15) EPDM (ethylene-propylene-diene monomer) elastomer is one of the most widely used synthetic rubbers in several industries ranging from automotive to heating, ventilation, and air conditioning. Gaskets, bumpers, auto parts, ...
E-learning Options for NDT Training Yelbay, Hasan İlker; Gür, Cemil Hakan (2018-06-15) Proper training is stated as a must for certification of NDT personnel in widely used certification standards. New technologies in internet and computer science bring new learning environments to each people regardless of ...
Kaynak işlemi nedeniyle oluşan kalıntı gerilmelerin mikro-manyetik teknikle tahribatsız olarak ölçülmesi Kaleli, Tuğçe; Yelbay, Hasan İlker; Gür, Cemil Hakan (Tmmob Makina Mühendisleri Odası; 2017-11-18) Bütün imalat yöntemleri, parçalarda kalıntı gerilmeler oluşturmaktadır. Kalıntı gerilmeler, parçaya etkiyen dış gerilmelerle toplam bir etkiye sebep olduğundan, imalat aşamalarında veya kullanım sırasında çarpılma veya erk...
New possibilities on training of NDT personnel Yelbay, Hasan İlker; Gür, Cemil Hakan (null; 2017-01-01) Training is the most important step for qualification of certifying NDT personnel. In order to certify a person for any NDT method satisfactory training is a must in all standards. Due to increased utilization of computer ...
PoD Analysis of Phased Array and Conventional Ultrasonic Techniques Yalcın, Murat; Yelbay, Hasan İlker; Gür, Cemil Hakan (null; 2016-06-17) Non-Destructive Testing applications have broad usage area from the medical to heavy industries. Several advanced methods, mainly developed from the conventional methods, are used to render the technique mo...
Demiryolu raylarında Kalıntı Gerilimlerin Manyetik Barkhausen Gürültüsü Yöntemi ile Ölçülmesi Yelbay, Hasan İlker; Gür, Cemil Hakan (KAYNAK KONGRESİ IX. ULUSAL KONGRE VE SERGİSİ BİLDİRİLER KİTABI; 2015-11-21) Ülkemizde son yıllarda demiryolu yatırımları oldukça artmış ve yeni hızlı tren hatlarının yapımına başlanmıştır. Hızlı tren hatlarında kullanılan rayların taban bölgesinde üretimden kaynaklı ger...
PREDICTION OF SURFACE RESIDUAL STRESSES IN BUTT-WELDED STEEL PLATES BY MAGNETIC BARKHAUSEN NOISE ANALYSIS Gür, Cemil Hakan; Yelbay, Hasan İlker; Çam, İbrahim (2010-06-11) Residual stresses have significant inflences on the service performance of the welded components. Various studies have been continuing to develop nondestructive methods for determination of residual stresses with portable ...
Non-destructive determination of residual stress state in steel weldments by Magnetic Barkhausen Noise technique Yelbay, Hasan İlker; Çam, İbrahim; Gür, Cemil Hakan (2010-01-01) The purpose of this study is non-destructive determination of residual stresses in the welded steel plates by Magnetic Barkhausen Noise (MBN) technique. A MBN-stress calibration set-up and a residual stress measurement sys...

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