Fabrication of Hybrid Surface Composite through Friction Stir Processing and Its Impression Creep Behaviour

<table>Variations of steady state creep rate (×10<sup>−5</sup>) as a function of temperature. <i>◆</i> Base metal region, ■ friction stir zone. </table>

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Figure 9

Figure 9: Fabrication of Hybrid Surface Composite through Friction Stir Processing and Its Impression Creep Behaviour 