Çok bileşenli kurşunsuz alaşımlara eşlik eden termodinamik özelliklerin Belirlenmesi

Hüseyin Arslan, Ali Dogan
74 18

Öz


Bu çalışmada, üç, dört ve altı bileşenli sıvı alaşımlara, yüksek sıcaklıklar için, Chuo’nun genel çözüm modeli (GSM) ve geleneksel geometrik modeller uygulandı. Tüm geometrik modeller, deneysel sonuçlarla karşılaştırmak maksadıyla altı bileşenli Ni-Cr-Co-Al-Ti-Cu sıvı karışımın entalpileri ve kısmi entalpileri,  xNi/xCr =1, xNi/xCo =1, xCr/xCo =1, r=xAl / xTi oranları, dört bileşenli kurşunsuz Au–In–Sn–Zn alaşımının xIn / xSn  = 2,  xSn / xZn = 1 oranı ve üç bileşenli In-Pd-Sn alaşımının xIn/xSn =1 oranı için sırasıyla 2000K, 773K and 1173K sıcaklıklarında belirlendi. Geometrik modellerden elde edilen sonuçlar deneylerden elde edilenlerle karşılaştırılmış ve uyum içinde oldukları görülmüştür.


Anahtar kelimeler


Geometrik modeller, Redlich-Kister katsayıları, Fazlalık Gibbs entalpisi, Termodinamik modeller

Tam metin:

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