Lead Tin Phase Diagram. Khim 32 1218 1958 in russian. Eutectics below is the phase diagram of the lead pb tin sn system.
B what is are the compositions of the phases. C what is the relative amount of each phase present in mass fraction. Phase diagram for leadtin eutectic alloy phase diagrams combine the information from the cooling curves of mixtures of metals with metals and with other elements to create a chart which is used to show the behaviours of different alloy compositions as they change phases between solid to liquid states.
Its reaction upon cooling is 2 l.
A major use of eutectics or near eutectics is in solder. 6 the institute of metals london 1947. The eutectic invariant reaction at 619 sn and 1830c is the most important feature of this system. The purpose of the lab was to observe the rate of cooling alloys of different composition understand and construct a phase diagram.