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Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation. / Dharmendra, C.; Rao, K. P.; Prasad, Y. V.R.K. et al.
In: Metals and Materials International, Vol. 21, No. 1, 01.01.2015, p. 134-146.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Dharmendra, C, Rao, KP, Prasad, YVRK, Hort, N & Kainer, KU 2015, 'Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation', Metals and Materials International, vol. 21, no. 1, pp. 134-146. https://doi.org/10.1007/s12540-015-1016-6

APA

Dharmendra, C., Rao, K. P., Prasad, Y. V. R. K., Hort, N., & Kainer, K. U. (2015). Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation. Metals and Materials International, 21(1), 134-146. https://doi.org/10.1007/s12540-015-1016-6

Vancouver

Dharmendra C, Rao KP, Prasad YVRK, Hort N, Kainer KU. Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation. Metals and Materials International. 2015 Jan 1;21(1):134-146. doi: 10.1007/s12540-015-1016-6

Bibtex

@article{7b8b66e7c98d4b43bc875b68aef97bda,
title = "Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation",
abstract = "The effect of homogenization on the hot deformation behavior and texture evolution of Mg-3Sn-2Ca (TX32) alloy is investigated. The cast-homogenized alloy samples were hot compressed in the temperature and strain rate ranges of 300–500 °C and 0.0003–10 s−1, respectively, and a processing map has been developed by using the flow stress data. The map revealed two dynamic recrystallization (DRX) domains with a peak efficiency of 44% at 360 °C/0.0003 s−1 (Domain 1) and 43% at 485 °C/0.1 s−1 (Domain 2). When compared with the map for as-cast condition, it is observed that both the domains moved towards higher temperatures although the shift of Domain 1 is more noticeable. The apparent activation energy values in the two domains and the regime of flow instability are nearly unchanged by homogenization, suggesting that Mg2Ca and CaMgSn particles in the microstructure are thermally stable. Specimens deformed under conditions in Domain 1 have high Schmid factors for {0001} (Formula presented.) basal slip and (Formula presented.) prismatic slip, while in Domain 2 the deformation progressed due to (Formula presented.) second-order pyramidal slip.",
keywords = "alloys, Homogenization, Hot working, Microstructure, Texture, Engineering",
author = "C. Dharmendra and Rao, {K. P.} and Prasad, {Y. V.R.K.} and N. Hort and Kainer, {K. U.}",
year = "2015",
month = jan,
day = "1",
doi = "10.1007/s12540-015-1016-6",
language = "English",
volume = "21",
pages = "134--146",
journal = "Metals and Materials International",
issn = "1598-9623",
publisher = "Korean Institute of Metals and Materials",
number = "1",

}

RIS

TY - JOUR

T1 - Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformation

AU - Dharmendra, C.

AU - Rao, K. P.

AU - Prasad, Y. V.R.K.

AU - Hort, N.

AU - Kainer, K. U.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The effect of homogenization on the hot deformation behavior and texture evolution of Mg-3Sn-2Ca (TX32) alloy is investigated. The cast-homogenized alloy samples were hot compressed in the temperature and strain rate ranges of 300–500 °C and 0.0003–10 s−1, respectively, and a processing map has been developed by using the flow stress data. The map revealed two dynamic recrystallization (DRX) domains with a peak efficiency of 44% at 360 °C/0.0003 s−1 (Domain 1) and 43% at 485 °C/0.1 s−1 (Domain 2). When compared with the map for as-cast condition, it is observed that both the domains moved towards higher temperatures although the shift of Domain 1 is more noticeable. The apparent activation energy values in the two domains and the regime of flow instability are nearly unchanged by homogenization, suggesting that Mg2Ca and CaMgSn particles in the microstructure are thermally stable. Specimens deformed under conditions in Domain 1 have high Schmid factors for {0001} (Formula presented.) basal slip and (Formula presented.) prismatic slip, while in Domain 2 the deformation progressed due to (Formula presented.) second-order pyramidal slip.

AB - The effect of homogenization on the hot deformation behavior and texture evolution of Mg-3Sn-2Ca (TX32) alloy is investigated. The cast-homogenized alloy samples were hot compressed in the temperature and strain rate ranges of 300–500 °C and 0.0003–10 s−1, respectively, and a processing map has been developed by using the flow stress data. The map revealed two dynamic recrystallization (DRX) domains with a peak efficiency of 44% at 360 °C/0.0003 s−1 (Domain 1) and 43% at 485 °C/0.1 s−1 (Domain 2). When compared with the map for as-cast condition, it is observed that both the domains moved towards higher temperatures although the shift of Domain 1 is more noticeable. The apparent activation energy values in the two domains and the regime of flow instability are nearly unchanged by homogenization, suggesting that Mg2Ca and CaMgSn particles in the microstructure are thermally stable. Specimens deformed under conditions in Domain 1 have high Schmid factors for {0001} (Formula presented.) basal slip and (Formula presented.) prismatic slip, while in Domain 2 the deformation progressed due to (Formula presented.) second-order pyramidal slip.

KW - alloys

KW - Homogenization

KW - Hot working

KW - Microstructure

KW - Texture

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=84921713984&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/74496785-1ba6-3234-a08c-b918ff7be87c/

U2 - 10.1007/s12540-015-1016-6

DO - 10.1007/s12540-015-1016-6

M3 - Journal articles

AN - SCOPUS:84921713984

VL - 21

SP - 134

EP - 146

JO - Metals and Materials International

JF - Metals and Materials International

SN - 1598-9623

IS - 1

ER -

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DOI

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