Abstract
Highly dense bulk Ti2AlN with high purity was successfully fabricated at 1400 °C by Field Assisted Sintering Technology (FAST/SPS) using Ti, Al, TiN as starting powders. Aluminum content appears to play a determinant role to attain high phase purity, where the optimum content has been achieved for a starting molar composition of 1:1.02:1 for Ti, Al, and TiN, respectively. Elastic modulus and hardness were determined via micro-indentation testing at room temperature. Regarding abrasive behavior, sandblasting tests with compressed air of 2 bar were carried out. In addition, creep tests in air in the temperature range of 900−1200 °C were performed to characterize the steady state deformation behavior under constant applied stresses ranging from 20−100 MPa.
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