Defects of Al-Ni joints caused by Kirkendall-Frenkel effect

• Autorzy: Garbala K. , Patejuk A.
• Języki publikacji: EN

Abstrakty

EN

In this paper Kirkendall-Frenkel effects occurring in bimetallic Al-Ni couples has been subjected detailed analysis. The aim of this work was to conduct the model research describing the mechanism of connection zone formation at the aluminum-nickel contact. Al-Ni samples were annealed at temperatures below the melting point of aluminum for a specified periods of time. In the sample annealed at 640 °C for 48 hours Frenkel porosity occurrence has been observed. Maximum pore surfaces share in this area is 35±40%. Diffusion influences in this case can be divided into three zones differing values of component elements concentrations. Microhardness test of these zones reviled that the greatest hardness hasAl₃Ni₂ equal to 1533HV0,1.

Słowa kluczowe

EN

alloy defect; diffusion alloy; Kirkendall effect; Frenkel pores

PL

wada stopu; dyfuzja stopu; efekt Kirkendalla

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2010
• Tom: Vol. 10, iss. 1 spec.
• Strony: 455--458
• Opis fizyczny: Bibliogr. 10 poz., rys., wykr.

Twórcy

autor

Garbala K.

• The Department of Production Engineering, Bialystok Technical University, the Wiejska street 45 C 15-351 the Bialystok, Poland

autor

Patejuk A.

• The Department of Production Engineering, Bialystok Technical University, the Wiejska street 45 C 15-351 the Bialystok, Poland

Bibliografia

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• [9] K. Garbala, A. Patejuk, Defects in Al casting alloy in contact with Ni coat - as the Frenkla effect, Archives of Foundry Engineering Vol. 7, No 2 (2007) 7-10.
• [10] K. Garbala, A. Patejuk. The phenomena occurring along borderline of the phase shares in the casted, Archives of Foundry Engineering Vol. 9, No 2 (2009) 73-76.