View Sample Alloy Digest Data Sheet (PDF) Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.
Iridium is used for alloying with precious metals primarily to increase their strength, hardness and corrosion resistance. Of the many alloy combinations, the most popular and widely used are those containing platinum and iridium, in particular those alloys containing up to 30% iridium. Figure (2) shows the phase diagram for platinum-iridium alloys; it is simple with a large solid solubility area and close solids and liquids lines. Figure (3) shows the effect on tensile strength as a function of iridium content while Figure (5) shows the effect on hardness. The stress/rupture strength of several platinum/iridium alloy combinations is shown in Figure (1). Table 1 and Figure (4) show some of the physical properties for typical platinum-iridium alloy combinations.
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| Published : | 02/01/1994 |
