Microstructure manipulation and strengthening mechanism of TiAl composites reinforced by Cr solid solution and in-situ nanometer-sized TiB2 particles

TiAl composites reinforced with 4 vol% nanometer-sized TiB2 particles and different contents of Cr were successfully prepared using fast hot pressing sintering. This process led to the simultaneous realization of in situ nanometer-sized TiB2 particle generation, a Cr solid solution, and the densific...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-06, Vol.845, p.143214, Article 143214
Hauptverfasser:	Wei, Yuanzheng, Qiu, Feng, Shu, Shili, Tong, Haotian, Yang, Hongyu, Jiang, Qichuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromium Compressive strength Densification Grain boundaries Grain refinement Grain size Hot pressing Interface Intermetallic compounds Microstructure Nanometer-sized TiB2 particles Particulate composites Solid solutions Solution strengthening Strengthening and toughening mechanism Synergistic effect Thermal mismatch TiAl composites Titanium aluminides Titanium diboride
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