Effects of Fe Addition on the Phase Transformation Internal Friction in Ni-Al-Based Alloys

Abstract:

The influences of chemical compositions on the internal friction of phase transformation were investigated for the quenched Ni-Al-based alloys. The internal friction measurements were completed using a low-frequency mechanical spectrum apparatus through forced vibration method. It was shown that the chemical compositions have the great influences on the internal friction of phase transition for the oil-cooled Ni-Al-based alloys. The peak-temperature of internal friction is lowered, and the peak-height is increased and the peak-width is narrowed when Fe content is elevated. The reducing of the peak-temperature is attributed to the increase of stability of γ phase due to the addition of Fe. The changes of the parameters of the peak are also related to the Al_eq (equivalent Al) contents.

• Periodical: Key Engineering Materials (Volume 888)
• Pages: 91-95
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.888.91
• Online since: June 2021
• Authors: Zheng Cun Zhou*, Jie Du, Su Yi Gu, Xiao Bin Zhu, Yi Fei Yang
• Keywords: Fe Addition, Ni-Al-Based Alloys, Phase Transformation Internal Friction

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