use of metal templates for microcavity formation in alumina
use of metal templates for microcavity formation in alumina
use of metal templates for microcavity formation in alumina
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Figure 4.22. EDS l<strong>in</strong>e analysis <strong>of</strong> the sample (CT3000SG).<br />
4.3.4. S<strong>in</strong>ter<strong>in</strong>g Behavior <strong>of</strong> Titanium Wire Conta<strong>in</strong><strong>in</strong>g Pellets<br />
Figure 4.23 shows the relative shr<strong>in</strong>kage curves <strong>for</strong> alum<strong>in</strong>a samples, which<br />
titanium wire conta<strong>in</strong><strong>in</strong>g at 1350 o C. For the behavior <strong>of</strong> relative shr<strong>in</strong>kage, Figures 4.1<br />
and 4.23 are compared and there is no difference. It is clear that the titanium wire does<br />
not affect the shr<strong>in</strong>kage behavior <strong>of</strong> alum<strong>in</strong>a.<br />
Relative Shr<strong>in</strong>kage (%)<br />
Wt (%)<br />
0%<br />
-5%<br />
-10%<br />
-15%<br />
-20%<br />
-25%<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
Al (wt%) Ti (wt%)<br />
0 50 100 150 200 250<br />
Distance (µm)<br />
0 150 300 450 600 750 900 1050 1200 1350<br />
CR15-Ti<br />
CR30F-Ti<br />
CR6-Ti<br />
Temperature ( o C)<br />
Figure 4.23. Relative shr<strong>in</strong>kage curves <strong>for</strong> powder compacts (UP150 MPa) <strong>of</strong> alum<strong>in</strong>a<br />
CR6-Ti, CR15-Ti and CR30F-Ti, that <strong>use</strong>d titanium wire, dur<strong>in</strong>g s<strong>in</strong>ter<strong>in</strong>g<br />
at a heat<strong>in</strong>g rate <strong>of</strong> 5 o C/m<strong>in</strong>.<br />
45
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