Factors affecting the lamellar spacing in two-phase TiAl alloys with fully lamellar microstructures

Tang JC; Huang BY; Zhou KC; Liu WS; He YH; Liu Y

Materials Research Bulletin, Vol.36, No.9, 1737-1742, 2001

DOI10.1016/S0025-5408(01)00650-X Export Citation

Factors affecting the lamellar spacing in two-phase TiAl alloys with fully lamellar microstructures

Tang JC, Huang BY, Zhou KC, Liu WS, He YH, Liu Y

Factors affecting the lamellar spacing in two-phase TiAl alloys with fully lamellar microstructures were investigated by means of OM and TEM. It is shown that the lamellar spacing depends on Al content as well as cooling rate. The lamellar spacing is inversely proportional to cooling rate and increases with the increase of Al content.

Keywords:intermetallic compounds;structural materials;microstructure;phase transitions