FE-CU İKİLİ ALAŞIMLARININ KUTU BORLAMA DAVRANIŞINA BAKIR MİKTARININ ETKİSİ

İçerisine atomik olarak % 1, 2, 4, 8 ve 16 bakır katkılandırılarak hazırlanan Fe-Cu ikili alaşımları ve saf demir 1000°C’ de 3 saat süre ile kutu borlama işlemine tabi tutulmuştur. Elde edilen borür tabakanın faz içeriği, mikroyapısı, kimyasal kompozisyonu ve mikrosertliği, X-ışınları kırınımı, Yüzey Taramalı Elektron Mikroskobunda Enerji Dağılımlı X-ışınları Spektroskopisi (SEM-EDS) ve Vickers Mikrosertlik ölçümü ile karakterize edilmiştir. Altlıktaki Cu miktarının artmasıyla borür tabakasının morfolojisini değiştirdiği ve altlığa doğru taraksı bir yapıda büyüyen borür dişlerin incelerek daha da uzadığı tespit edilmiştir.  Bakır atomları, ne CuxBy bileşiği oluşturmuş ne de oluşan demir borür tabakası içerisinde çözünmüştür. Ancak, borür dişlerinin büyüme yönüne paralel şekilde kümeleşerek bakırca zengin çökeltiler oluşturmuştur.  Bu çökeltiler altlıktaki bakır miktarının artmasıyla hem kabalaşmış hem de miktarı artmıştır. Altlıktaki bakır miktarındaki artışa bağlı olarak borca zengin FeB fazının oluşumu desteklenmiş ve toplam borür tabaka kalınlığı artmış, ancak borür tabakanın sertliği düşmüştür.

___

  • O. Çulha, M. Toparlı, S. Şahin, ve T. Aksoy, "Characterization and determination of FexB layers' mechanical properties," Journal of Materials Processing Technology, Cilt 206, No 1-3, 231-240, 2008.
  • Atar, E., E.S. Kayalı ve H. Çimenoglu, Surface “Modification of Ti6Al4V Alloy by Pack Boriding,” Tms 2009 138th Annual Meeting & Exhibition - Supplemental Proceedings, Cilt 3: General Paper Selections, 601-606, 2009.
  • I. Campos-Silva, N. Lopez-Perrusquia, M. Ortiz-Dominguez, U. Figueroa-Lopez ve E. Hernandez-Sanchez, “Measurement of Fracture Toughness in AISI 1018 Borided Steels by Vickers Indentation,” Diffusion in Solids and Liquids Iv, Cilt 283-286, 675-680, 2009.
  • R. Ivanov, “Two-Component Diffusive Steel Saturation,” Materials and Manufacturing Processes, Cilt 24, No 7-8, 894-897, 2009.
  • Z. G. Su, X. Tian, J. An, Y. Lu, Y. L. Yang ve S. J. Sun, “Investigation on Boronizing of N80 Tube Steel,” Isij International, Cilt 49, No 11, 1776-1783, 2009.
  • I. Campos, R. Rosas, U. Figueroa, C. V. Velazquez, A. Meneses, ve A. Guevara, “Measurement of Fracture Toughness in AISI 1018 Borided Steels by Vickers Indentation,” Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, Cilt 488, No 1-2, 562-568, 2008.
  • I. Campos-Silva, A. S. Balankin, A. H. Sierra, N. Lopez-Perrusquia, R. Escobar-Galindo ve D. Morales-Matamoros, “Characterization of rough interfaces obtained by boriding,” Applied Surface Science, Cilt 255, No 5, 2596-2602, 2008.
  • Y. S. Nechaev ve A. Ochsner, “Essay on Techniques & Physics of Some Diffusion-Controlled Processes in Materials: Relevance to Nanofabrication Applications,” Diffusion in Materials - Dimat2008, Cilt 289-292, 679-686, 2009.
  • N. Lopez-Perrusquia, I. Campos-Silva, J. Martinez-Trinidad, A. Aviles, E. Alvarez-Castaneda ve S. Juarez-Torres, “Evaluation of Brittle Layers Obtained by Boriding on AISI H13 Steels,” Xvii International Materials Research Congress, Cilt 65, 47-52, 2009.
  • C. M. Li, B. L. Shen, G. J. Li ve C. Yang, “Effect of boronizing temperature and time on microstructure and abrasion wear resistance of Cr12Mn2V2 high chromium cast iron,” Surface & Coatings Technology, Cilt 202, No 24, 5882-5886, 2008.
  • K. Wisniewski, ve A. Pertek, “Influence of Laser Alloying with Amorphous Boron on Structure and Microhardness of 41cr4,” Archives of Metallurgy and Materials, Cilt 54, No 1, 111-114, 2009.
  • W. P. Ye, Z. L. Huang, Q. X. Zhang ve Q. Y. Zhang, “Microstructure and of mechanics microwave boriding,” Journal of Wuhan University of Technology-Materials Science Edition, Cilt 23, No 4, 528-531, 2008.
  • K. David, K. G. Anthymidis, P. Agrianidis, ve G. Petropoulos, “Characterization and tribological properties of boride coatings of steels in a fluidized bed reactor,” Industrial Lubrication and Tribology, Cilt 60, No 1, 31-36, 2008.
  • M. K. H. Aliev ve A. Saboor, “Pulsed nanocrystalline plasma electrolytic boriding as a novel method for corrosion protection of CP-Ti (Part 1: Different frequency and duty cycle),” Bulletin of Materials Science, Cilt 30, No 6, 601-605, 2007.
  • V. I. Dybkov, W. Lengauer ve K. Barmak, “Formation of boride layers at the Fe-10% Cr alloy-boron interface,” Journal of Alloys and Compounds, Cilt 398, No 1-2, 113-122, 2005.
  • V. I. Dybkov, V. R. Sidorko, L. V. Goncharuk, V. G. Khoruzha ve A. V. Samelyuk, “Microstructure, Growth Kinetics, and Abrasive Wear Resistance of Boride Layers on Fe-30% Cr Alloy,” Powder Metallurgy and Metal Ceramics, Cilt 51, No 9-10, 518-530, 2013.
  • M. Castillo, M. Vite, L. H. Hernandez, G. Villa ve G. Urriolagoitia, “Wear and tear by fracture in boriding mechanical elements,” Revista Mexicana De Fisica, Cilt 51, No 1, 11-15, 2005.
  • M. Darabara, G. D. Papadimitriou ve L. Bourithis, “Tribological evaluation of Fe-B-TiB2 metal matrix composites,” Surface & Coatings Technology, Cilt 202, No 2, 246-253, 2007.
  • C. Bindal ve A. H. Uçışık, “Characterization of boriding of 0.3% C, 0.02% P plain carbon steel,” Vacuum, Cilt 82, No 1, 90-94, 2007.
  • V. I. Dybkov, “Growth of boride layers on the 13% Cr steel surface in a mixture of amorphous boron and KBF4,” Journal of Materials Science, Cilt 42, No 16, 6614-6627, 2007.
  • L. Y. Xu, X. C. Wu ve H. B. Wang, “Influence of surface nano-structured treatment on pack boriding of H13 steel,” Journal of Materials Science & Technology, Cilt 23, No 4, 525-528, 2007.
  • H. Çelikkan, M. K. Öztürk, H. Aydın ve M. L. Aksu, “Boriding titanium alloys at lower temperatures using electrochemical methods,” Thin Solid Films, Cilt 515, No 13, 5348-5352, 2007.
  • K. Genel, I. Özbek ve C. Bindal, “Kinetics of boriding of AISI W1 steel,” Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, Cilt 347, No 1-2, 311-314, 2003.
  • R., Chattopadhyay, Advanced Thermally Assisted Surface Engineering Processes, Kluwer Academic Publishers, Massachusetts, A.B.D. Cilt XV. 2004.
  • ASM Handbook, Alloy Phase Diagrams, ASM International, Cilt 3, A.B.D., 1992.
  • I. Campos, G. Ramirez, U. Figueroa ve C. V. Velazquez, “Paste boriding process: evaluation of boron mobility on borided steels,” Surface Engineering, Cilt 23, No 3, 216-222, 2007.
  • M. Kulka ve A. Pertek, “The importance of carbon content beneath iron borides after boriding of chromium and nickel-based low-carbon steel,” Applied Surface Science, Cilt 214, No 1-4, 161-171, 2003.
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi-Cover
  • ISSN: 1300-1884
  • Yayın Aralığı: Yılda 4 Sayı
  • Başlangıç: 1986
  • Yayıncı: Oğuzhan YILMAZ