“Influence of Si, Sb and Sr Additions on the Microstructure ...

W Chapter 4:Resu|ts <strong>and</strong> Discussion
PRT 1 ~
Table 4.8: Tensile properties <strong>of</strong> <strong>Sr</strong> added AZ91all0y in tabular form
lg At 150°C
Alloy YS UTS %E YS UTS %1=;
1“
2
AZ91
174
* 120 1 2210 2 4
28
85 1-
5180 122”
2
“}\z91+0.2%sr 128 215 1 4.5 82 178 1" 10
133 222 4.5 85 r
“AZ91+0.7% sr“ 135 '1 200 1 3 i 578
1"
‘AZ91-10.5% <strong>Sr</strong> 2 188 105 L
1:.
Table 4.9: Tensile properties <strong>of</strong> <strong>Sb</strong> <strong>and</strong> <strong>Sr</strong> added <strong>Si</strong> containing AZ91 alloys in
tabular form
Alloy
AZ91
AZ9 l+0.2 %
<strong>Si</strong>+0.2 0/0 <strong>Sb</strong>
AZ91+0.5 %
<strong>Si</strong>+0.2% <strong>Sb</strong>
AZ91+0.2 %
<strong>Si</strong>+0.l% <strong>Sr</strong>
AZ9l+0.5%
1YS
120
125
123
At RT
UTS
210
238
225 1
At 150°C
%E ,__ ~- .. _
4 85 1 180 1 12
6 100 198 16
' i
3.8 94 175 ‘ 12
si+0.19{/9 <strong>Sr</strong>
UTS %%E
126 220 4.5 92 186 1 11.5
130 215 3.5 W881 165 10
129
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1
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