Grain Boundary Wetting by a Second Solid Phase in Ti-Fe Alloys
Source abstract
Abstract
The microstructure of Ti-Fe polycrystals has been studied between 595 and 815 °C in the concentration interval between 1 and 9 wt.% Fe. In these conditions, two phases, namely hexagonal α(Ti, Fe) and cubic β(Ti, Fe), are in equilibrium. The α(Ti, Fe) phase forms either continuous or discontinuous layers in the β(Ti, Fe)/β(Ti, Fe) grain boundaries (GBs). Continuous layers correspond to the complete wetting of β(Ti, Fe)/β(Ti, Fe) GBs by a second solid phase α(Ti, Fe). Discontinuous layers correspond to the incomplete (or partial) GB wetting by a second solid phase. The temperature dependences of the portion of completely wetted GBs as well as that of the thickness of continuous GB layer of α(Ti, Fe) phase have been measured. Both values monotonously increase with increasing temperature.
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Research context
OpenAlex topics: Titanium Alloys Microstructure and Properties · Hydrogen embrittlement and corrosion behaviors in metals · Microstructure and Mechanical Properties of Steels
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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