National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
New types of lead-free solders and their properties
Drápala, J. ; Petlák, D. ; Malcharcziková, J. ; Vodárek, V. ; Konečná, K. ; Smetana, B. ; Zlá, S. ; Kostiuková, G. ; Seidlerová, J. ; Lasek, S. ; Madaj, M. ; Kroupa, Aleš ; Urbánek, J. ; Dušek, K. ; Sedláček, J. ; Sidorov, V.E.
Ternary and binary alloys with different ratios of Ag, Al, Bi, Cu, In, Mg, Sb, Sn and Zn were prepared experimentally. The following characteristics were studied: temperatures and enthalpies of phase transformations (DTA, TG, DSC), macro-and micro-structural analysis, micro-hardness, chemical analysis, X-ray and density measurements and electrical resistivity of selected solders, test of wettability with or without use of fluxes, measurement of corrosion properties.
Study of Zn-Sn-Al alloys for high-temperature solders
Drápala, J. ; Kroupa, Aleš ; Smetana, B. ; Burkovič, R. ; Lasek, S. ; Musiol, L.
The specimens were studied metallographically including the micro-hardness measurements, complete chemical analysis (ICP-AES, OES), X-ray micro-analysis of alloys by EDAX or WDX including SEM (BSE) in order to determine the composition and identification of individual phases.

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