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Browsing Mühendislik Fakültesi by Author "Türk, Ahmet"
Now showing items 1-20 of 29
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Cevher, Özgür; Türk, Ahmet; Üstel, Fatih; Yılmaz, Fevzi (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2011)Zn, Al and Zn/15Al coatings can be produced in optimum conditions by the twin wire arc (TWEA) spraying technique. The coatings are used for corrosion protection in a variety of industrial applications. In this study, the ...
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Türk, Ahmet (ELSEVIER SCIENCE SA, 2006)The present paper concerns an assessment of microstructural and mechanical properties of WC-based cermet coatings for a roller cylinder. With this regard, WC-based coatings were fabricated on NiAl deposited 316 L stainless ...
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Türk, Ahmet; Bindal, Cuma (TAYLOR & FRANCIS INC, 2009)In this study, nitriding behavior of plasma nitrided X32CrMoV33 die steel was investigated. Nitriding process was carried out at temperatures of 450, 500, and 550 degrees C for treatment time in the range of 2-32h. Depending ...
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Ahmet Gulec; Yılmaz, Fevzi; Türk, Ahmet; Üstel, Fatih; A Ochsner; Ge Murch; Jmp Delgado (TRANS TECH PUBLICATIONS LTD, 2011)Zn and Zn/Al 85/15 coatings are produced at optimum conditions by twin wire electric arc (TWEA) spraying technique and are used in various industrial applications to improve corrosion protection. As an alternative for Zn ...
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Türk, Ahmet; Yılmaz, Fevzi; Üstel, Fatih (2011)
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Abdullah Cahit Karaoglanli; Türk, Ahmet; Ismail Ozdemir; Üstel, Fatih (TAYLOR & FRANCIS INC, 2015)Operating temperatures in gas turbine engines have reached to 1200 degrees C with the latest developments in coating technology. Thermal shock and furnace oxidation tests are widely used to determine thermal barrier coating ...
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Akbulut, Hatem; Türk, Ahmet (CARL HANSER VERLAG, 2000)In this investigation. an attempt has been made to examine the wear response of some modified zinc-aluminum based alloys and two conventional bearing alloys at the sliding speeds of 0.65, 1.30 and 1.90 ms(-1), over a range ...
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Türk, Ahmet; Kurnaz, Süleyman Can; Şevik, Hüseyin (ELSEVIER SCI LTD, 2007)In this study, an attempt has been made to examine the wear response of some modified Zn-Al based alloys and a conventional bearing bronze (SAE 660) at the sliding speeds of 0.5 ms(-1), I ms(-1), 1.3 ms(-1), 1.7 ms(-1) and ...
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Türk, Ahmet; Durman, Mehmet (CARL HANSER VERLAG, 1998)The effect of copper addition in the range from 0 to 3 % on the tensile creep behaviour of gravity cast alloy ZA-8 has been investigated at a temperature of 120 degrees C and an applied stress of 40 MPa. It was found that ...
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Altuncu, Ekrem; Üstel, Fatih; Türk, Ahmet; Uzun, Abdullah (2011)
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Uzun, Abdullah; Altuncu, Ekrem; Üstel, Fatih; Türk, Ahmet (INDERSCIENCE ENTERPRISES LTD, 2011)Reinforced metal matrix composite (MMC) hard coatings which are produced by thermal spray processes are used for various automotive parts such as piston rings and cylinder liners. Generally, WC-CoCr coatings are deposited ...
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Türk, Ahmet (TRANS TECH PUBLICATIONS LTD, 2004)In this study, low carbon steel substrate was coated with WC-Ni powder by using plasma spray process in order to increase the wear and corrosion resistance of the material. Wear tests were applied to the produced samples ...
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Türk, Ahmet (TRANS TECH PUBLICATIONS LTD, 2004)Ni-graphite coatings, due to their high hardness and chemical inertness, are often used as protective coatings against friction and corrosion. In this paper, the preparation of a nickel-graphite coating on mild steel ...
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Türk, Ahmet (ELSEVIER SCIENCE SA, 2008)This work focuses on the microstructural, thermal and mechanical properties of NiAl coatings fabricated on 316L stainless steel substrates by using the high-velocity oxygen fuel (HVOF) method. With this regard, NiAl-based ...
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Cevher, Özgür; Üstel, Fatih; Türk, Ahmet; Akıncı, Akın; Yılmaz, Fevzi (NATL ASSOC CORROSION ENG, 2011)In several countries, Zn and Zn/Al 85/15 coatings applied by thermal spray are used to protect underground ductile iron (DI) pipe against soil corrosion. In this study, DI pipe samples were coated with Zn and Zn/Al 85/15. ...
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Türk, Ahmet; Bindal, Cuma (PERGAMON-ELSEVIER SCIENCE LTD, 2005)The nitriding behaviour of 34CrAlNi7, 42CrMo4 and 40CrMnMoS86 steels was investigated nitrided in the fluidized bed processes. The nitriding processes were carried out at a temperature of 575 degrees C for treatment times ...
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Türk, Ahmet (REDAKCIA KOVOVE MATERIALY, 2009)The nitriding behaviour of 34CrAlNi7 alloy steel was investigated under three different nitriding processes. One of them is salt-bath nitriding that was carried out at a temperature of 525 degrees C for treatment time of ...
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Altuncu, Ekrem; Türk, Ahmet; Üstel, Fatih (ELSEVIER SCIENCE SA, 2011)Plasma sprayed thermal barrier coatings (TBCs) are applied to gas turbine components for providing thermal insulation and oxidation resistance. The TBC systems currently in use on superalloy substates typically consists ...
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Altuncu, Ekrem; Türk, Ahmet; Üstel, Fatih (2011)
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STUDY OF THE MICROSTRUCTURE AND OXIDATION BEHAVIOR OF YSZ AND YSZ/Al2O3 TBCs WITH HVOF BOND COATINGS Erdoğan, Garip; Kahraman, Yaşar; Türk, Ahmet; Üstel, Fatih (2012)
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