Hot tearing characteristics of Mg–2Ca–xZn alloys
Jiangfeng Song
1
,
Zhi Wang
2
,
Yuanding Huang
1
,
Amirthalingam Srinivasan
3
,
Felix Beckmann
1
,
KARL-ULRICH KAINER
1
,
Norbert Hort
1
1
Institute of Materials Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany
|
Publication type: Journal Article
Publication date: 2015-11-16
scimago Q1
wos Q2
SJR: 0.802
CiteScore: 7.6
Impact factor: 3.9
ISSN: 00222461, 15734803
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Influence of Zn content (0, 0.5, 1.5, 4 and 6 wt%) on the hot tearing characteristics of Mg–2 wt% Ca alloy was investigated. The constrained rod casting (CRC) apparatus equipped with a load cell and data acquisition system was used. The initiation of hot tearing was monitored during solidification. The effect of mould temperatures (250 and 450 °C) on the hot tearing was also investigated. The formed tears were evaluated using X-ray tomography and the tear volumes were measured. Results show that hot tearing susceptibility (HTS) of Mg–2Ca–xZn (x = 0, 0.5, 1.5, 4 and 6 wt%) alloys increases with increase in Zn content up to 1.5 wt%, then decreases with further increase in the Zn content to 6 wt%. Higher initial mould temperature (450 °C) improves the hot tearing resistance. The observations on the microstructures and the fracture surfaces suggest that the hot tear initiated at the grain boundaries and propagated along them through the thin liquid film rupture and liquid metal embrittlement of solid bridges. Tear healing by low melting point eutectic liquid is also observed in some of the alloys.
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Total citations:
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Citations from 2024:
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(21.62%)
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GOST
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Song J. et al. Hot tearing characteristics of Mg–2Ca–xZn alloys // Journal of Materials Science. 2015. Vol. 51. No. 5. pp. 2687-2704.
GOST all authors (up to 50)
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Song J., Wang Z., Huang Y., Srinivasan A., Beckmann F., KAINER K., Hort N. Hot tearing characteristics of Mg–2Ca–xZn alloys // Journal of Materials Science. 2015. Vol. 51. No. 5. pp. 2687-2704.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1007/s10853-015-9583-y
UR - https://doi.org/10.1007/s10853-015-9583-y
TI - Hot tearing characteristics of Mg–2Ca–xZn alloys
T2 - Journal of Materials Science
AU - Song, Jiangfeng
AU - Wang, Zhi
AU - Huang, Yuanding
AU - Srinivasan, Amirthalingam
AU - Beckmann, Felix
AU - KAINER, KARL-ULRICH
AU - Hort, Norbert
PY - 2015
DA - 2015/11/16
PB - Springer Nature
SP - 2687-2704
IS - 5
VL - 51
SN - 0022-2461
SN - 1573-4803
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2015_Song,
author = {Jiangfeng Song and Zhi Wang and Yuanding Huang and Amirthalingam Srinivasan and Felix Beckmann and KARL-ULRICH KAINER and Norbert Hort},
title = {Hot tearing characteristics of Mg–2Ca–xZn alloys},
journal = {Journal of Materials Science},
year = {2015},
volume = {51},
publisher = {Springer Nature},
month = {nov},
url = {https://doi.org/10.1007/s10853-015-9583-y},
number = {5},
pages = {2687--2704},
doi = {10.1007/s10853-015-9583-y}
}
Cite this
MLA
Copy
Song, Jiangfeng, et al. “Hot tearing characteristics of Mg–2Ca–xZn alloys.” Journal of Materials Science, vol. 51, no. 5, Nov. 2015, pp. 2687-2704. https://doi.org/10.1007/s10853-015-9583-y.