Deciphering Peritectic Solidification Characteristics for the Simulated Weld Metal of EH36 Shipbuilding Steel

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Publication Details

Author list: Han C., Zhong M., Wu Y., Yuan X., Ratanaphan S., Wang C.

Publisher: Springer

Publication year: 2024

Journal: Metallurgical and Materials Transactions A (1073-5623)

Volume number: 55

Issue number: 9

Start page: 3199

End page: 3207

Number of pages: 9

ISSN: 1073-5623

eISSN: 1543-1940

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85198926745&doi=10.1007%2fs11661-024-07512-7&partnerID=40&md5=04ab751915aa3fb8980b4124accd3d05

Languages: English-Great Britain (EN-GB)

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Abstract

Peritectic characteristics during the simulated solidification of EH36 shipbuilding steel welds employing a confocal scanning laser microscope have been documented in situ. The initial δ solidifies from the liquid in a cellular/dendritic manner, with a substantial peritectic undercooling of 113.5 ± 13.9 °C. The solid–liquid interface velocity undergoes an abrupt increase at the onset of peritectic transition. Furthermore, the rapid δ → γ phase transformation is attributed to the massive transformation enabled by the large driving force. © The Minerals, Metals & Materials Society and ASM International 2024.

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