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<p>[QUOTE=&quot;physics-fan3.14, post: 2354718, member: 19165&quot;]No. The planchet does not become liquefied in the coining chamber. This is absolutely false. </p><p><br /></p><p>Take a look at the melting point chart for silver-copper alloys. At atmospheric pressure, the temperature would have to be 961C. At higher pressures, it would have to be even higher (remember, things are going to liquefy at lower pressures, not higher ones). </p><p><br /></p><p><img src="http://www.madsci.org/posts/archives/2001-11/1005200805.Ch.1.gif" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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