figura 1digital.csic.es/bitstream/10261/56078/2/figuras_jmatsci_2012_47_1… · figura 10 . c) 300...
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Figura 1
Figura 2
Figura 3
Figura 4
[ ]0002
Figura 5
Figura 6
0 5 10 15 20 25 30 35 400
10
20
30
40
Grain size (µm)
MgY1Zn0.5
0
10
20
30
40
Frec
uenc
y (%
)
MgY2Zn1
0
10
20
30
40MgY3Zn1.5
Figura 7
Figura 8
Figura 9
0.0 0.2 0.4 0.6 0.8 1.0 1.20
100
200
300
400
True
Stre
ss (M
Pa)
True Strain
MgY1Zn0,5 extruded (ε=10-4s-1)298K
373K
473K
523K
573K
623K673K
0.0 0.2 0.4 0.6 0.8 1.0 1.20
100
200
300
400
True
Stre
ss(M
Pa)
True Strain
MgY2Zn1 extruded (ε=10-4s-1)298K
373K
473K
523K
573K623K
673K
.
a)
b)
0.0 0.2 0.4 0.6 0.8 1.0 1.20
100
200
300
400
True
stre
ss(M
Pa)
True strain
MgY3Zn1.5 extruded (v=10-4s-1)298K373K
473K
523K
573K
673K
Figura 10
c)
300 350 400 450 500 550 600 6500
50
100
150
200
250
300
σ 0.2 (
MPa
)
T(K)
MgY1Zn0.5extruded 723K MgY2Zn1extruded 723K MgY3Zn1.5extruded 723K
Figura 11
300 350 400 450 500 550 600 6500
50
100
150
200
250
300
350
400
UTS
(MPa
)
T (K)
MgY1Zn0,5 extruded 723K MgY2Zn1 extruded 723K MgY3Zn1,5 extruded 723K
Figura 12
Alloy %LPSO HV MgY3Zn1,5 35 84.7±0.6 MgY2Zn1 21 82.5±0.7
MgY1Zn0,5 9 65.4±1.1