Development and comparison of processing maps of Mg-3Sn-1Ca alloy from data obtained in tension versus compression
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Development and comparison of processing maps of Mg-3Sn-1Ca alloy from data obtained in tension versus compression. / Rao, K. P.; Suresh, K.; Prasad, Y. V.R.K. et al.
In: IOP Conference Series: Materials Science and Engineering, Vol. 297, No. 1, 012014, 07.02.2018.Research output: Journal contributions › Conference article in journal › Research › peer-review
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TY - JOUR
T1 - Development and comparison of processing maps of Mg-3Sn-1Ca alloy from data obtained in tension versus compression
AU - Rao, K. P.
AU - Suresh, K.
AU - Prasad, Y. V.R.K.
AU - Hort, N.
N1 - Conference code: 8
PY - 2018/2/7
Y1 - 2018/2/7
N2 - The hot workability of extruded Mg-3Sn-1Ca alloy has been evaluated by developing processing maps with flow stress data from compression and tensile tests with a view to find the effect of the applied state-of-stress. The processing maps developed at a strain of 0.2 are essentially similar irrespective of the mode of deformation - compression or tension, and exhibit three domains in the temperature ranges: (1) 350 - 425 °C, and (2) 450 - 550 °C and (3) 400 - 500 °C, the first two occurring at lower strain rates and the third occurring at higher strain rates. In all the three domains, dynamic recrystallization occurs and is caused by non-basal slip and controlled by lattice self-diffusion in the first and second domains and grain boundary self-diffusion in the third domain. The state-of-stress imposed on the specimen (compression or tension) does not have any significant effect on the processing maps.
AB - The hot workability of extruded Mg-3Sn-1Ca alloy has been evaluated by developing processing maps with flow stress data from compression and tensile tests with a view to find the effect of the applied state-of-stress. The processing maps developed at a strain of 0.2 are essentially similar irrespective of the mode of deformation - compression or tension, and exhibit three domains in the temperature ranges: (1) 350 - 425 °C, and (2) 450 - 550 °C and (3) 400 - 500 °C, the first two occurring at lower strain rates and the third occurring at higher strain rates. In all the three domains, dynamic recrystallization occurs and is caused by non-basal slip and controlled by lattice self-diffusion in the first and second domains and grain boundary self-diffusion in the third domain. The state-of-stress imposed on the specimen (compression or tension) does not have any significant effect on the processing maps.
KW - Engineering
UR - http://www.scopus.com/inward/record.url?scp=85046268333&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/297/1/012014
DO - 10.1088/1757-899X/297/1/012014
M3 - Conference article in journal
AN - SCOPUS:85046268333
VL - 297
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
SN - 1757-8981
IS - 1
M1 - 012014
T2 - 8th TSME-International Conference on Mechanical Engineering - TSME-ICoME 2017
Y2 - 12 December 2017 through 15 December 2017
ER -