09.03.2013 Views

Processing of - MTU Aero Engines

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Illustration <strong>of</strong> various phase arrangements in microstructures <strong>of</strong> Ti-6Al-4V and<br />

TiAl-X alloys<br />

To be expanded<br />

. . .<br />

Show the potential weak links<br />

-------------------------------------------------------<br />

Conclusions:<br />

Further property improvements can be expected from each alloy type<br />

(α+β) titanium alloys and<br />

γ-rich titanium aluminide alloys<br />

by refinement <strong>of</strong> chemical homogeneity, phase distribution and grainand/or<br />

colony size:<br />

<strong>Processing</strong> on large scale<br />

better liquid uniformity<br />

but less control <strong>of</strong> chemical homogeneity<br />

and less control <strong>of</strong> microstructure (uniformity and grain size)<br />

<strong>Processing</strong> on smaller scales<br />

better temperature control

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