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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Wt (%)<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
Al (wt%)<br />
Ti (wt%)<br />
0 50 100 150 200 250 300<br />
Figure 4.41. EDS l<strong>in</strong>e analysis <strong>of</strong> the sample (CR30F-Plt).<br />
4.4. General Interpretation and Discussion<br />
The Table 4.3 illustrates that <strong>metal</strong> <strong>templates</strong> advance how many micrometers<br />
diff<strong>use</strong> <strong>in</strong> different alum<strong>in</strong>a powders at 1350 o C. Accord<strong>in</strong>g to this, titanium template<br />
progress through alum<strong>in</strong>a with diffus<strong>in</strong>g much faster than other <strong>metal</strong> <strong>templates</strong>. It is<br />
considered that this condition, beca<strong>use</strong> <strong>of</strong> that titanium template, is smooth and direct,<br />
<strong>in</strong> contrast to other <strong>templates</strong>. On the other hand, it is hard to say that titanium or<br />
sta<strong>in</strong>less steel wires which are much faster to diff<strong>use</strong> through alum<strong>in</strong>a but copper wire<br />
diff<strong>use</strong>s <strong>in</strong>to alum<strong>in</strong>a lesser than the others.<br />
Distance (µm)<br />
59
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