Study of hot forging behavior of as-cast Mg-3Al-1Zn-2Ca alloy towards optimization of its hot workability

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Study of hot forging behavior of as-cast Mg-3Al-1Zn-2Ca alloy towards optimization of its hot workability. / Suresh, K.; Rao, K. P.; Prasad, Y. V.R.K. et al.
In: Materials and Design, Vol. 57, 05.2014, p. 697-704.

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Suresh K, Rao KP, Prasad YVRK, Hort N, Kainer KU. Study of hot forging behavior of as-cast Mg-3Al-1Zn-2Ca alloy towards optimization of its hot workability. Materials and Design. 2014 May;57:697-704. doi: 10.1016/j.matdes.2014.01.032

Bibtex

@article{02a7420c34964020906700c69809ac6f,
title = "Study of hot forging behavior of as-cast Mg-3Al-1Zn-2Ca alloy towards optimization of its hot workability",
abstract = "Mg-3Al-1Zn-2Ca (AZX312) alloy has been forged in the temperature range of 350-500°C and at speeds in the range of 0.01-10mms-1 to produce a rib-web shape with a view to validate the processing map and study the microstructural development. The process was simulated through finite-element method to estimate the local and average strain rate ranges in the forging envelope. The processing map exhibited two domains in the following ranges: (1) 350-450°C/0.0003-0.05s-1 and (2) 450-500°C/0.03-0.7s-1 and these represent dynamic recrystallization (DRX) and intercrystalline cracking, respectively. The optimal workability condition according to the processing map is 425-450°C/0.001-0.01s-1. A wide flow instability regime occurred at higher strain rates diagonally across the map, which caused flow localization that should be avoided in forming this alloy. The experimental load-stroke curves correlated well with the simulated ones and the observed microstructural features in the forged components matched with the ones predicted by the processing map.",
keywords = "Ca addition, Hot forging, Magnesium alloy, Processing map, Engineering",
author = "K. Suresh and Rao, {K. P.} and Prasad, {Y. V.R.K.} and N. Hort and Kainer, {K. U.}",
year = "2014",
month = may,
doi = "10.1016/j.matdes.2014.01.032",
language = "English",
volume = "57",
pages = "697--704",
journal = "Materials and Design",
issn = "0264-1275",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Study of hot forging behavior of as-cast Mg-3Al-1Zn-2Ca alloy towards optimization of its hot workability

AU - Suresh, K.

AU - Rao, K. P.

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

AU - Hort, N.

AU - Kainer, K. U.

PY - 2014/5

Y1 - 2014/5

N2 - Mg-3Al-1Zn-2Ca (AZX312) alloy has been forged in the temperature range of 350-500°C and at speeds in the range of 0.01-10mms-1 to produce a rib-web shape with a view to validate the processing map and study the microstructural development. The process was simulated through finite-element method to estimate the local and average strain rate ranges in the forging envelope. The processing map exhibited two domains in the following ranges: (1) 350-450°C/0.0003-0.05s-1 and (2) 450-500°C/0.03-0.7s-1 and these represent dynamic recrystallization (DRX) and intercrystalline cracking, respectively. The optimal workability condition according to the processing map is 425-450°C/0.001-0.01s-1. A wide flow instability regime occurred at higher strain rates diagonally across the map, which caused flow localization that should be avoided in forming this alloy. The experimental load-stroke curves correlated well with the simulated ones and the observed microstructural features in the forged components matched with the ones predicted by the processing map.

AB - Mg-3Al-1Zn-2Ca (AZX312) alloy has been forged in the temperature range of 350-500°C and at speeds in the range of 0.01-10mms-1 to produce a rib-web shape with a view to validate the processing map and study the microstructural development. The process was simulated through finite-element method to estimate the local and average strain rate ranges in the forging envelope. The processing map exhibited two domains in the following ranges: (1) 350-450°C/0.0003-0.05s-1 and (2) 450-500°C/0.03-0.7s-1 and these represent dynamic recrystallization (DRX) and intercrystalline cracking, respectively. The optimal workability condition according to the processing map is 425-450°C/0.001-0.01s-1. A wide flow instability regime occurred at higher strain rates diagonally across the map, which caused flow localization that should be avoided in forming this alloy. The experimental load-stroke curves correlated well with the simulated ones and the observed microstructural features in the forged components matched with the ones predicted by the processing map.

KW - Ca addition

KW - Hot forging

KW - Magnesium alloy

KW - Processing map

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=84893638376&partnerID=8YFLogxK

U2 - 10.1016/j.matdes.2014.01.032

DO - 10.1016/j.matdes.2014.01.032

M3 - Journal articles

AN - SCOPUS:84893638376

VL - 57

SP - 697

EP - 704

JO - Materials and Design

JF - Materials and Design

SN - 0264-1275

ER -

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