Contact interaction of double titanium and chromium diboride with Fe-Cr alloys |
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Authors: | A. P. Umanskii V. P. Konoval A. D. Panasyuk E. P. Dvornik |
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Affiliation: | (1) Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev |
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Abstract: | The kinetics of wetting double titanium and chromium diboride by iron-based alloys with different chromium content is studied. It is shown that contact angles are formed in such systems over the range 0–10°. The energy parameters of wetting are calculated. It is established that chromium as a surface-active element promotes Fe-Cr alloy spreading on the diboride surface. The microstructure of the interaction area is studied. It is shown that terminal solid solutions and eutectics are formed in the TiCrB2-(Fe-Cr) system. The optimum compositions of the metallic binder are determined for TiCrB2-based composite materials. __________ Translated from Poroshkovaya Metallurgiya, Vol. 46, No. 1–2(453), pp. 109–115, 2007 |
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Keywords: | titanium chromium diboride wetting microstructure contact angle metallic binder |
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