What is the difference between eutectoid and eutectic




















Com vs. Destroyable vs. Aboriginal vs. Coelomate vs. Ocean vs. Judge vs. Flag vs. Forbear vs. Awesomely vs. Fat vs. Sonhood vs. Ricochet vs. Channel vs. Trending Comparisons. Mandate vs. Ivermectin vs. Skinwalker vs. Socialism vs. Man vs. Supersonic vs. Gazelle vs. Jem vs. Mouse vs. However, in some cases the solubility is so restricted that for practical purposes they may be considered insoluble.

Tin will dissolve up to maximum of 2. Lead will dissolve up to a maximum of As the melt temperature falls to T1, dendrites of composition Y will deposit. Below this temperature, under conditions of slow cooling, the excess tin must come out of solution. If the bottom of a single-phase solid field closes and provided the adjacent two-phase fields are solid also , it does so with a eutectoid point.

It also shows as V on top of a horizontal line in the phase diagram. There are associated eutectoid temperature or temperature , eutectoid phase, eutectoid and proeutectoid microstructures. The schematic and micrograph below show pearlite. It is important to note that pearlite is not a phase, but a mixture of two phases: ferrite and cementite. Pearlite is a microstructure occurring in many common grades of steels. Hence carbon atoms must diffuse together to form Fe3C, leaving ferrite.

Thus the plates grow, consuming the austenite as they go, to form pearlite. Mechanicalbe obtained with intermediate properties. Mechanical properties also depend on the microstructure, that is, how ferrite and cementite are mixed. The inverse reaction occurs when heating. Total views 60, On Slideshare 0.

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