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- Title
New Nucleation Mechanism of the Liquid Droplet at the Solid–Solid Interface During Initial Thermal Stabilization Stage of Directional Solidification.
- Authors
Peng, Peng; Zhang, Anqiao; Li, Shengyuan; Zheng, Wanchao; Lu, Li
- Abstract
Different from the previous report that liquid droplets nucleated within the superheated solid phases during thermal stabilization, the nucleation of liquid droplets at the solid primary α-solid peritectic β interface was observed in a Sn–Ni peritectic alloy. Then, liquid migration by temperature gradient zone melting (TGZM) was observed. The nucleation interval of liquid droplets at the same nucleation site is determined to be 42 seconds by investigating liquid migration through a diffusion-controlled analytical model.
- Subjects
SOLID-solid interfaces; DIRECTIONAL solidification; SOLIDIFICATION; ZONE melting; LIQUIDS; NUCLEATION
- Publication
Metallurgical & Materials Transactions. Part A, 2021, Vol 52, Issue 7, p2691
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-021-06271-z