Effect of Nd Additions on the Mechanical Properties of Mg Binary Alloys
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Effect of Nd Additions on the Mechanical Properties of Mg Binary Alloys. / Xu, Yuling; Gavras, Sarkis; Gensch, Felix et al.
In: JOM: Journal of The Minerals, Metals & Materials Society, Vol. 72, No. 1, 01.01.2020, p. 517-525.Research output: Journal contributions › Journal articles › Research › peer-review
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TY - JOUR
T1 - Effect of Nd Additions on the Mechanical Properties of Mg Binary Alloys
AU - Xu, Yuling
AU - Gavras, Sarkis
AU - Gensch, Felix
AU - Kainer, Karl Ulrich
AU - Hort, Norbert
PY - 2020/1/1
Y1 - 2020/1/1
N2 - The influence of Nd contents and particles on the microstructure and mechanical properties of extruded Mg alloys are discussed. Pure Mg and binary Mg-xNd (x = 0.2 wt.%, 0.5 wt.%, 1 wt.%, 2 wt.%, 5 wt.%) alloys were cast and extruded. Hardness and tensile/compression tests were measured on those alloys. The results show that the addition of Nd to Mg leads to improvements in hardness, tensile/compression yield strengths and elongation. However, the Nd has little effect on ultimate strengths and compressibility of Mg alloys. The contributions of strengthening mechanisms to the tensile/compressive yield strength of extruded Mg-Nd alloys are investigated. Mg41Nd5 phase was distributed in Mg-2Nd and Mg-5Nd alloys after extrusion, which is the main reason that decreased the grain size of Mg-Nd. The tension-compressing yield asymmetry is decreased from 1.8 to 1 with the increased additions Nd in extruded alloys.
AB - The influence of Nd contents and particles on the microstructure and mechanical properties of extruded Mg alloys are discussed. Pure Mg and binary Mg-xNd (x = 0.2 wt.%, 0.5 wt.%, 1 wt.%, 2 wt.%, 5 wt.%) alloys were cast and extruded. Hardness and tensile/compression tests were measured on those alloys. The results show that the addition of Nd to Mg leads to improvements in hardness, tensile/compression yield strengths and elongation. However, the Nd has little effect on ultimate strengths and compressibility of Mg alloys. The contributions of strengthening mechanisms to the tensile/compressive yield strength of extruded Mg-Nd alloys are investigated. Mg41Nd5 phase was distributed in Mg-2Nd and Mg-5Nd alloys after extrusion, which is the main reason that decreased the grain size of Mg-Nd. The tension-compressing yield asymmetry is decreased from 1.8 to 1 with the increased additions Nd in extruded alloys.
KW - Engineering
UR - http://www.scopus.com/inward/record.url?scp=85074619625&partnerID=8YFLogxK
U2 - 10.1007/s11837-019-03877-y
DO - 10.1007/s11837-019-03877-y
M3 - Journal articles
AN - SCOPUS:85074619625
VL - 72
SP - 517
EP - 525
JO - JOM: Journal of The Minerals, Metals & Materials Society
JF - JOM: Journal of The Minerals, Metals & Materials Society
SN - 1047-4838
IS - 1
ER -