['The', 'demand', 'to', 'increase', 'the', 'service', 'temperature', 'of', 'these', 'alloys', 'beyond', '550', '°', 'C', '(', 'the', 'typical', 'temperature', 'limit', ')', 'requires', 'careful', 'study', 'to', 'understand', 'the', 'role', 'that', 'composition', 'has', 'on', 'the', 'oxidation', 'behavior', 'of', 'Ti', '-', 'based', 'alloys', '[', '1–3', ']', '.']