On August 24, 2026, Nature Communications published a study by the Hong Kong University of Science and Technology team: In-situ alloying of Mo powder with Ti-6Al-4V powder via laser powder bed fusion (LPBF) yields a titanium alloy with exceptional strain hardening capability. According to the paper, the as-printed state exhibits a three-dimensional interconnected compositional wave, forming three microstructures: α′ martensite in low-Mo regions, metastable β phase in medium-Mo regions, and stable β phase in high-Mo regions. These activate mechanisms including detwinning/retwinning, stress-induced martensitic transformation, and multi-slip system deformation, which—combined with hetero-deformation-induced stress—produce stepwise increases in hardening rate, with an incremental strain hardening of approximately 557 MPa, surpassing the conventional ceiling for titanium alloys. Value for powder buyers: ① The 'mixed-powder in-situ alloying' route enables high-strength grades using commercially available Ti64 and Mo elemental powders, eliminating the need for custom pre-alloyed powders and lowering the procurement barrier for premium titanium alloy powders; ② Pay attention to new Ti-Mo series grade demands and elemental powder purity requirements arising from mixed-powder ratio processes; ③ High-strength titanium alloys are a long-term direction for aerospace and implant markets, and powder suppliers can position mixed-powder product lines in advance.