The Possibility of the LME Phenomenon in Elements Subjected to Metallization in Zn Bath with Bi Addition

E-ISSN： 1662-9779|2015|226|167-172

ISSN： 1012-0394

Source： Solid State Phenomena, Vol.2015, Iss.226, 2015-02, pp. : 167-7

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Abstract

Article presents the state of knowledge relating occurrences of liquid metals embrittlement. The results of experimental investigations of the LME phenomenon, reasons of its formation and influence of different parameters are described. In order to determine the basic mechanical properties of materials intended for research static tensile test was performed. Samples made of C66D and C70D steels with tensions stretching (500-800 MPa) at different values and kinds of loading during the hot dip metallization were investigated. Coating processes were made in zinc with 0.5% Bi addition and results were compared to zinc coating. The processes of hot dip metallization were done at 450°C temperature and immersion time 180 s. Coated samples were investigated by light microscope to specify possibility appear of LME effect.