| 摘要 |
<p>A boron-free, low-gold, and low-palladium metal alloy composition formulated to provide an alloy with an attractive yellow color, improved tarnish resistance, and enhanced castability.The alloy contains gold, silver, copper, palladium and indium. The alloy contains 25% by weight gold and the weight percent ratio of silver to copper is between 0.65 and 2.65 and the weight percent ratio of palladium to indium is between 1 and 5.</p> |
