Phase equilibria of the Ni–Si–P system at 800°C

Liu, Ya; Cao, Dachun; Tu, Hao; Su, Xuping; Wang, Jianhua; Wu, Changjun; Peng, Haoping

doi:10.1016/j.jallcom.2013.06.148

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Cited by 8 publications

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“…Therefore, dual modification of primary and eutectic Si is the key for hypereutectic Al-Si alloys. P is an effective element for primary Si modification [6,7]. However, P has no modification effect on the eutectic Si.…”

Section: Introductionmentioning

confidence: 99%

Study on Dual Modification of Al-17%Si Alloys by Structural Heredity

Zhang

Chen

et al. 2015

Metals

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Abstract:In this study, Al-17%Si alloys were dual modified by fine-grained structural materials (FSM) according to structural heredity. Microstructure and thermal analyses were undertaken to study the modification effect of the FSM master alloy on primary and eutectic Si. Primary Si is refined to a smaller size and eutectic Si is modified from needle-like to fibrous shape after FSM master alloy addition. The optimal content of FSM master alloy is 20% and the holding time is 15min. Finer FSM master alloy leads to finer Al-17%Si alloy microstructure and more area percentage of α-Al. DSC analyses results show that FSM master alloy can raise the precipitation temperatures of primary and eutectic Si, meanwhile it can reduce the latent heat of Si solidification process.

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Section: Introductionmentioning

confidence: 99%