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→Silver-Metal Oxide Materials Ag/CdO, Ag/SnO2, Ag/ZnO
Using different silver powders and minor additives for the basic Ag and CdO starting materials can help influence certain contact properties for specialized applications.
<xr id="fig:fig2.77"/> Fig. 2.77: Strain hardening of internally oxidized Ag/CdO 90/10 by cold working <xr id="fig:fig2.78"/> Fig. 2.78: Softening of internally oxidized Ag/CdO 90/10 after annealing for 1 hr after 40% cold working <xr id="fig:fig2.79"/> Fig. 2.79: Strain hardening of Ag/CdO 90/10 P by cold working <xr id="fig:fig2.80"/> Fig. 2.80: Softening of Ag/CdO 90/10 P after annealing for 1 hr after 40% cold working <xr id="fig:fig2.81"/> Fig. 2.81: Strain hardening of Ag/CdO 88/12 WP <xr id="fig:fig2.82"/> Fig. 2.82: Softening of Ag/CdO 88/12WP after annealing for 1 hr after different degrees of cold working <xr id="fig:fig2.83"/> Fig. 2.83: Micro structure of Ag/CdO 90/10 i.o. a) close to surface b) in center area <xr id="fig:fig2.84"/> Fig. 2.84: Micro structure of Ag/CdO 90/10 P: a) perpendicular to extrusion direction b) parallel to extrusion direction <xr id="fig:fig2.85"/> Fig. 2.85: Micro structure of Ag/CdO 90/10 ZH: 1) Ag/CdO layer 2) AgCd backing layer <xr id="fig:fig2.86"/> Fig. 2.86: Micro structure of AgCdO 88/12 WP: a) perpendicular to extrusion direction b) parallel to extrusion direction <div class="multiple-images"><figure id="fig:fig2.77">[[File:Strain hardening of internally oxidized AgCdO9010.jpg|right|thumb|<caption>Strain hardening of internally oxidized Ag/CdO 90/10 by cold working</caption>]]Fig. 2</figure> <figure id="fig:fig2.78">[[File: Softening of internally oxidized AgCdO9010.jpg|right|thumb|<caption>Softening of internally oxidized Ag/CdO 90/10 after annealing for 1 hr after 40% cold working</caption>]]</figure> <figure id="fig:fig2.79">[[File:Strain hardening of AgCdO9010P.jpg|right|thumb|<caption>Strain hardening of Ag/CdO 90/10 P by cold working</caption>]]</figure> <figure id="fig:fig2.80">[[File:Softening of internally oxidized AgCdO9010AgCdO9010P after annealing.jpg|right|thumb|<caption>Softening of internally oxidized Ag/CdO 90/10 P after annealing for 1 hr after 40% cold working</caption>]]</figure> <figure id="fig:fig2.81">[[File:Strain hardening of AgCdO8812.jpg|right|thumb|<caption>Strain hardening of Ag/CdO 88/12 WP</caption>]]</figure> <figure id="fig:fig2.82">[[File:Softening of AgCdO8812WP after annealing.jpg|right|thumb|<caption>Softening of Ag/CdO 88/12WP after annealing for 1 hr after different degrees of cold working</caption>]]</figure> <figure id="fig:fig2.83">[[File:Micro structure of AgCdO9010.jpg|right|thumb|<caption>Micro structure of Ag/CdO 90/10 i.o. a) close to surface b) in center area</caption>]]</figure> <figure id="fig:fig2.84">[[File:Micro structure of AgCdO9010P.jpg|right|thumb|<caption>Micro structure of Ag/CdO 90/10 P: a) perpendicular to extrusion direction b) parallel to extrusion direction</caption>]]</figure> <figure id="fig:fig2.85">[[File:Micro structure of AgCdO9010ZH.jpg|right|thumb|<caption>Micro structure of Ag/CdO 90/10 ZH: 1) Ag/CdO layer 2) AgCd backing layer</caption>]]</figure> <figure id="fig:fig2.86">[[File:Micro structure of AgCdO8812WP.jpg|right|thumb|<caption>Micro structure of AgCdO 88/12 WP: a) perpendicular to extrusion direction b) parallel to extrusion direction</caption>]]</figure></div><div class="clear"></div>
nicht gemacht!
*Silver–tin oxide(SISTADOX)materials
Over the past years, many Ag/CdO contact materials have been replaced by Ag/SnO<sub>2</sub> based materials with 2-14 wt% SnO<sub>2</sub> because of the toxicity of Cadmium. This changeover was further favored by the fact that Ag/SnO<sub>2</sub> contacts quite often show improved contact and switching properties such as lower arc erosion, higher weld resistance, and a significant lower tendency towards material transfer in DC switching circuits ''(Table 2.30)''. Ag/SnO<sub>2</sub> materials have been optimized for a broad range of applications by other metal oxide additives and modification in the manufacturing processes that result in different metallurgical, physical and electrical properties ''(Table 2.29)''.
