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Archives of Foundry Engineering

Tytuł artykułu

Effect of gas corrosion on the character of phase boundaries in Ni3Al / WC composite

Autorzy Fraś, E.  Janas, A.  Kolbus, A.  Olejnik, E. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN In view of quite specific physico-chemical and performance properties, the composite based on an intermetallic Ni3Al compound reinforced with tungsten carbides (WC) was selected for investigations. The said composite is characterised by very good mechanical and tribological properties within a wide range of temperatures, combined with good corrosion resistance. In fabrication of the Ni3Al/WC composite, a modified variant of the SHS process was applied. It is the SHSB process, i.e. the Self-Propagating High-Temperature Synthesis in Bath. The said method enables obtaining pure products of reaction, unoxidised and free from the precipitates of alien phases. The main goal of this study has been determination of the susceptibility of the Ni3Al/WC composite to gas corrosion. To examine the microstructure and chemical composition of both the composite and the scale, the metallographic and structural examinations were made, using optical and scanning microscopy.
Słowa kluczowe
PL kompozyt in situ   metoda SHSB   węglik   korozja gazowa  
EN composite in situ   phase Ni3A   SHSB process   carbide of WC   gas corrosion  
Wydawca Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
Czasopismo Archives of Foundry Engineering
Rocznik 2009
Tom Vol. 9, iss. 2
Strony 87--92
Opis fizyczny Bibliogr. 9 poz., rys., tab.
autor Fraś, E.
autor Janas, A.
autor Kolbus, A.
autor Olejnik, E.
  • Chair of Cast Alloys and Composites Engineering, Faculty of Foundry Engineering, AGH University of Science and Technology, ul Reymonta 23, 30-059 Kraków, Poland,
[1] Janas A.: Doctor's Thesis, AGH, Kraków 1998 (in Polish).
[2] Janas A.: The fundamentals of Al + TiC composite fabrication and evaluation of its selected mechanical properties, Kraków 1998, KBN Research Project 7TO 8 D 004 09 (in Polish).
[3] Ashby M. F., Jones D. R. H.: Engineering Materials, Wydawnictwo Naukowo - Techniczne, Warszawa, 1993 (in Polish).
[4] Gósta Wranglęn.: The fundamentals of corrosion and protection of metals, Wydawnictwo Naukowo - Techniczne, Warszawa 1985 (in Polish).
[5] Baszkiewicz J., Kamiński M.: Corrosion of Materials, Oficyna Wydawnicza Politechniki Warszawskiej, Warszawa 2006 (in Polish).
[6] Blicharski M.: Introduction to Materials Engineering, Wydawnictwo Naukowo - Techniczne, Warszawa 2003, (in Polish).
[7] Dusza J., Parilak L., Slesar M.: Fracture characteristics of ceramic and cermet cutting tools, Ceram. Int., 1987, vol. 13, pp. 133.
[8] E. Fraś, A. Janas, A. Kolbus, E. Olejnik, Matrix- particle Interphase boundaries of the selected in situ and ex situ Composites MMCs ,Archives of Foundry, 2006, 6, 18, 297-304 (in Polish).
[9] E. Fraś, A. Janas, A. Kolbus, E. Olejnik, Cast Ni3Al /MeC(Me-W,Zr) composites in situ, Archives of Foundry,2006, 6, 18, 317-324 (in Polish).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-article-BPZ1-0063-0020