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Review paper : a study of monotectic al-bi alloys rapidly solidified from melt
المؤلفون المشاركون
Abbas, Sana Razzaq
Jaman, Muhammad Salih
المصدر
Journal of Babylon University : Journal of Applied and Pure Sciences
العدد
المجلد 28، العدد 3 (30 سبتمبر/أيلول 2020)، ص ص. 253-275، 23ص.
الناشر
تاريخ النشر
2020-09-30
دولة النشر
العراق
عدد الصفحات
23
التخصصات الرئيسية
الملخص EN
This paper presents experimental results and theoretical considerations to investigate the effect of rapid cooling from melt on physical properties of al-bi alloys.
a number of monotectic al-rich binary alloys having limited solubility in the solid state have been pointed up as desirable for many industrial applications, e.g., self-lubricated bearings, electronic materials, superconductors and optical components.
monotectic alloys undergo an invariant reaction at the monotectic temperature, in which a liquid phase, l1, is decomposed into a solid phase, s1, and a liquid phase, l2.
during cooling, the minority liquid phase forms discontinuous and isolate droplets or fibers within the al-matrix.
the competition between the growth of the minority phase and the rate of displacement of the solidification interface will determine if the prevalent morphology will be formed by droplets or fibers.
chill-block melt spinning technique was used to examine the possibility of casting al-bi monotectic alloys with possible homogeneous microstructure.
the resulting microstructure was analysed by scanning electron microscopy and x-ray diffraction.
the electrical resistivity, thermal parameters, internal friction, thermal diffusivity, elastic moduli and hardness of the melt-spun ribbons have been investigated as a function of composition.
the results reveal that several combinations of strength, hardness, enthalpy, entropy change, resistivity and internal friction can be generated from the alloys to meet the needs of antifriction applications.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Abbas, Sana Razzaq& Jaman, Muhammad Salih. 2020. Review paper : a study of monotectic al-bi alloys rapidly solidified from melt. Journal of Babylon University : Journal of Applied and Pure Sciences،Vol. 28, no. 3, pp.253-275.
https://search.emarefa.net/detail/BIM-1386374
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Abbas, Sana Razzaq& Jaman, Muhammad Salih. Review paper : a study of monotectic al-bi alloys rapidly solidified from melt. Journal of Babylon University : Journal of Applied and Pure Sciences Vol. 28, no. 3 (2020), pp.253-275.
https://search.emarefa.net/detail/BIM-1386374
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Abbas, Sana Razzaq& Jaman, Muhammad Salih. Review paper : a study of monotectic al-bi alloys rapidly solidified from melt. Journal of Babylon University : Journal of Applied and Pure Sciences. 2020. Vol. 28, no. 3, pp.253-275.
https://search.emarefa.net/detail/BIM-1386374
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 274-275
رقم السجل
BIM-1386374
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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