Notice of Intent to Sole Source for One (1) Thermo-Calc Software High Entropy Alloys Database (TCHEA8). Please refer to the following attachments: Combination Synopsis-Solicitation for Commercial Purc... Notice of Intent to Sole Source for One (1) Thermo-Calc Software High Entropy Alloys Database (TCHEA8). Please refer to the following attachments: Combination Synopsis-Solicitation for Commercial Purchases (Under SAT) Adelphi Special Instructions and Information Fill-In and Full-Text Provisions and Clauses