03.06.2015 Views

Advances in Solid-State Joining at EWI

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L<strong>in</strong>ear Friction Welds <strong>in</strong> High Carbon<br />

Steels - Characteristics<br />

Macrosection of a 1080 Steel L<strong>in</strong>ear<br />

Friction Weld. Note localized crack<strong>in</strong>g <strong>at</strong> the<br />

weld edges rel<strong>at</strong>ed to high residual hardness.<br />

(Courtesy APCI Inc.)<br />

Microstructure of a Ti-6Al-4V L<strong>in</strong>ear Friction<br />

Weld Bond L<strong>in</strong>e. Note the rapid transition<br />

from pearlite to martensite <strong>at</strong> the far HAZ<br />

boundary. (Courtesy APCI Inc.)

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