An Investigation on Hot Tearing of Mg-4.5Zn-(0.5Zr) Alloys with Y Additions

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An Investigation on Hot Tearing of Mg-4.5Zn-(0.5Zr) Alloys with Y Additions. / Wang, Zhi; Song, Jiangfeng; Huang, Yuanding et al.
in: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Jahrgang 46, Nr. 5, 01.05.2015, S. 2108-2118.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Wang Z, Song J, Huang Y, Srinivasan A, Liu Z, Kainer KU et al. An Investigation on Hot Tearing of Mg-4.5Zn-(0.5Zr) Alloys with Y Additions. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 2015 Mai 1;46(5):2108-2118. doi: 10.1007/s11661-015-2755-1

Bibtex

@article{8a8cc976a0774ad1a7844773f002a1c2,
title = "An Investigation on Hot Tearing of Mg-4.5Zn-(0.5Zr) Alloys with Y Additions",
abstract = "In this work, the hot tearing susceptibility (HTS) of Mg-4.5Zn-xY (x = 0, 0.4, 0.9, 2 wt pct) alloys is investigated using constrained rod casting apparatus equipped with a load cell and data acquisition system. The effect of grain refinement by Zr addition on the HTS has also been investigated. The results show that the HTS first increases with increasing the Y content, reaches the maximum at 0.9 wt pct Y, and then reduces with further increase in the Y content to 2.0 wt pct. The high HTS observed in the alloys with 0.4 and 0.9 wt pct Y is attributed to their coarse columnar grains and their large freezing ranges. The results also suggest that the resistance to the hot tearing can apparently be improved by increasing the initial mold temperature. In addition, a fine microstructure reduces the HTS. Numerical simulations using ProCAST software on HTS of Mg-4.5Zn-xY alloys are in good agreement with the experimental results.",
keywords = "Engineering",
author = "Zhi Wang and Jiangfeng Song and Yuanding Huang and Amirthalingam Srinivasan and Zheng Liu and Kainer, {Karl Ulrich} and Norbert Hort",
year = "2015",
month = may,
day = "1",
doi = "10.1007/s11661-015-2755-1",
language = "English",
volume = "46",
pages = "2108--2118",
journal = "Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science",
issn = "1073-5623",
publisher = "Springer Boston",
number = "5",

}

RIS

TY - JOUR

T1 - An Investigation on Hot Tearing of Mg-4.5Zn-(0.5Zr) Alloys with Y Additions

AU - Wang, Zhi

AU - Song, Jiangfeng

AU - Huang, Yuanding

AU - Srinivasan, Amirthalingam

AU - Liu, Zheng

AU - Kainer, Karl Ulrich

AU - Hort, Norbert

PY - 2015/5/1

Y1 - 2015/5/1

N2 - In this work, the hot tearing susceptibility (HTS) of Mg-4.5Zn-xY (x = 0, 0.4, 0.9, 2 wt pct) alloys is investigated using constrained rod casting apparatus equipped with a load cell and data acquisition system. The effect of grain refinement by Zr addition on the HTS has also been investigated. The results show that the HTS first increases with increasing the Y content, reaches the maximum at 0.9 wt pct Y, and then reduces with further increase in the Y content to 2.0 wt pct. The high HTS observed in the alloys with 0.4 and 0.9 wt pct Y is attributed to their coarse columnar grains and their large freezing ranges. The results also suggest that the resistance to the hot tearing can apparently be improved by increasing the initial mold temperature. In addition, a fine microstructure reduces the HTS. Numerical simulations using ProCAST software on HTS of Mg-4.5Zn-xY alloys are in good agreement with the experimental results.

AB - In this work, the hot tearing susceptibility (HTS) of Mg-4.5Zn-xY (x = 0, 0.4, 0.9, 2 wt pct) alloys is investigated using constrained rod casting apparatus equipped with a load cell and data acquisition system. The effect of grain refinement by Zr addition on the HTS has also been investigated. The results show that the HTS first increases with increasing the Y content, reaches the maximum at 0.9 wt pct Y, and then reduces with further increase in the Y content to 2.0 wt pct. The high HTS observed in the alloys with 0.4 and 0.9 wt pct Y is attributed to their coarse columnar grains and their large freezing ranges. The results also suggest that the resistance to the hot tearing can apparently be improved by increasing the initial mold temperature. In addition, a fine microstructure reduces the HTS. Numerical simulations using ProCAST software on HTS of Mg-4.5Zn-xY alloys are in good agreement with the experimental results.

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=84939961063&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/89f88831-7fef-3296-8a6a-9ca2976f03e6/

U2 - 10.1007/s11661-015-2755-1

DO - 10.1007/s11661-015-2755-1

M3 - Journal articles

AN - SCOPUS:84939961063

VL - 46

SP - 2108

EP - 2118

JO - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

JF - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

SN - 1073-5623

IS - 5

ER -

DOI

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