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DEVELOPMENT OF MULTI-COMPONENT IRON-BASED MORPHOUS ALLOY

PETER JAMES SQUIRE

2009Englishphysical metallurgyphase transformationsmicrostructurealloysmetallic glassamorphous alloys

Abstract

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This study focuses on developing a new alloy system capable of forming a metallic glass upon rapid solidification, diverging from traditional modifications of known glass forming compositions. Iron was selected as the base element due to its lower cost compared to other metallic glass bases, eliminating the need for expensive alloying elements for vitrification. The research began with a ternary system consisting of carbon and boron, which are recognized for enhancing glass formation. Secondary alloying elements, manganese and molybdenum, were introduced to evaluate their influence on the glass forming ability of the iron-carbon-boron alloy. A range of advanced characterization techniques, including optical microscopy, scanning electron microscopy, transmission electron microscopy, X-ray diffractometry, and secondary ion mass spectroscopy, were employed to analyze the microstructure of the as-cast and rapidly solidified alloys, while differential scanning calorimetry (DSC) was utilized to assess their thermal behavior. The findings revealed that the ability of the iron-based alloys to form a glass upon rapid solidification could not be anticipated based solely on the examination of as-cast microstructures or computational methods. Successful vitrification was contingent upon the compositions being near a eutectic point.

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Cite This Work

@article{7048076a-9a43-4b66-8b5b-ffad9ad435ea,
  title={DEVELOPMENT OF MULTI-COMPONENT IRON-BASED  MORPHOUS ALLOY},
  author={PETER JAMES SQUIRE},
  year={2009},
  language={English}
}
TY  - JOUR
TI  - DEVELOPMENT OF MULTI-COMPONENT IRON-BASED  MORPHOUS ALLOY
AU  - PETER JAMES SQUIRE
PY  - 2009
LA  - English
ER  -

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