| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a silver alloy for decoration, which has a black luster and superior sulfidization resistance. <P>SOLUTION: The silver alloy for decoration includes silver as a main component, and manganese and tin, so as to have a composition in a range surrounded by a line formed by connecting each of the following points in a triangle diagram of X, Y and Z formed when a silver content is defined as X wt.%, a manganese content as Y wt.% and a tin content as Z wt.% (X+Y+Z=100): point (a); X=92, Y=6 and Z=2, point (b); X=92, Y=2 and Z=6, point (c); X=58, Y=28 and Z=14, point (d); X=58, Y=17 and Z=25, point (e); X=70, Y=28 and Z=2, and point (f); X=73, Y=2 and Z=25. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
