Abstract
Aluminium-copper of (99.99%) high purity eutectic alloy was melted in a graphite crucible under vacuum atmosphere. This eutectic alloy was directionally solidified upward with a constant growth rate V, and different temperature gradients G, and also with a constant temperature gradient and different growth rates in the Bridgman type directional solidification furnace. The lamellar spacings λ E were measured from both transverse section and longitudinal section of the specimen. The undercooling values ΔT were obtained by using growth rate and system parameters K 1 , K 2 . It was found that the values of λ E decreased as V, G and GV values are increased. The relationships between lamellar spacing λ E and solidification parameters, V, G and GV were obtained by Least squares analysis. Bulk growth rate λ E 2 V was determined by using λ E values for both the transverse section and the longitudinal section. The experimentally obtained values found were in good agreement with theoretical values.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
