Alloys with melting points below 230°C (446°F) are referred to as low-melting or fusible alloys. The most widely used fusible alloys contain high percentages of bismuth, combined with lead, tin, cadmium, indium and other metals. Bismuth has an impact on the melting point, as well as the growth and shrinkage characteristics of the alloys. Many of the bismuth-based alloys melt below the boiling point of water, and some of them melt below 65°C (ca. 150°F).
Many of the low-melting alloys have good thermal conductivity, can be remelted and reused, and have combinations of elements that cause them to expand during solidification without contracting during cooling. These characteristics make fusible alloys versatile, allowing them to be used in a diverse amount of applications.
This report examines the elemental analysis of fusible alloys using an advanced stationary metal analyzer.
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