Innovative and safe method to conduct high temperature halogenation of metallic alloys

A method for conducting halogenation of metallic alloys comprising:

• providing a sealed container wherein the sealed container comprises a first compartment, a second compartment, and a channel that connects the first compartment and the second compartment wherein the channel is configured to allow gas flowing between the first and second compartments;
• enclosing a metallic alloy element in the first compartment;
• enclosing a pre-selected mixture of salts comprises nickel and nickel chloride in the second compartment;
• heating the sealed container to a pre-determined temperature and maintaining at the pre-determined temperature for a pre-determined time period so that the pre-selected mixture of salts generate a chlorine gas of a specific partial pressure at the pre-determined temperature;
• exposing the metallic alloy element to the chlorine gas that is generated from the pre-selected mixture of salts and flowing from the second compartment for the pre-determined time period;
• the pre-determined temperature is approximately 626 degrees Celsius (626° C.);
• and
• the pre-determined time period is within a range of approximately 250 to 1000 hours.