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silver. Other advantages of copper are its high thermal conductivity, corrosion
resistance, and its good ductility. The work hardening properties of ETP copper
is illustrated in <xr id="fig:Strain_hardening_of_Cu_ETP_by_cold_working">Fig. 5.1</xr>. The increase in strength achieved by cold working can
be reversed easily by subsequent annealing. The softening properties are
strongly dependent on the preceding cold working percentage
Table 5.1: Material Designations of Some Copper Types
<figure id="fig:Strain_hardening_of_Cu_ETP_by_cold_working">
[[File:Strain_hardering.png|left|Fig 5.1: Strain_hardening of Cu-ETP by cold working]]
</figure>
<div class="clear"></div>
<figure id="fig:SofteningOfCu">
[[File:SofteningOfCuETPafterAnnealing.png|right|Fig. 5.2:Softening of Cu-ETP after annealing for 3hrs after 25% cold working]]
</figure>
<div class="clear"></div>
<onlyinclude>