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dc.contributor.authorYeh, C.H.en_US
dc.contributor.authorChang, L.S.en_US
dc.contributor.authorStraumal, B.en_US
dc.description.abstractBinary phase diagrams are important tools for designing desired alloys. In the Sn-rich region of the Sn-In alloy phase diagram, the solidus line appears as a dotted line in current literature plots to indicate uncertainty. The contour of the solidus has now been clarified as a result of the present investigation. Four alloys, Sn(70)In(30), Sn(75)In(25), Sn(80)In(20), and Sn(85)In(15) were melted at 300 A degrees C for 10 h and annealed between 120 and 200 A degrees C in the (L + gamma) two-phase region. The morphology and chemical compositions of annealed specimens were analyzed using both field emission scanning electron spectroscopy and energy-dispersive x-ray spectrometry. The results reveal that the liquid phase, initially appearing at the eutectic temperature, invades the solid along grain boundaries with penetration gradually increasing with increasing annealing temperature and a granular structure form. The average compositions in grains of Sn(70)In(30), Sn(75)In(25), Sn(80)In(20), and Sn(85)In(15) specimens correspond to the solidus concentrations, and the solidus line and (beta + gamma)/gamma phase boundary can be determined as a fit to these temperature-composition points.en_US
dc.relationJournal of Phase Equilibria and Diffusionen_US
dc.relation.ispartofseriesJournal of Phase Equilibria and Diffusion, Volume 30, Issue 3, Page(s) 254-257.en_US
dc.subjectbinary systemen_US
dc.subjectgrain boundary wettingen_US
dc.subjectphase diagramen_US
dc.subjectSn-In alloyen_US
dc.subjectsolidus lineen_US
dc.subjectfree solder materialsen_US
dc.subjectinterfacial reactionsen_US
dc.titleStudy on the Solidus Line in Sn-Rich Region of Sn-In Phase Diagramen_US
dc.typeJournal Articlezh_TW
Appears in Collections:材料科學與工程學系


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