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The microstructure and compressive properties of AlCoCrCuFeNi high-entropy alloy aged at temperatures ranging from 500 to 1000°C were investigated. The BCC and FCC phase structures remain unchanged after aging the AlCoCrCuFeNi alloy at temperatures below 645°C. Aging the alloy at elevated temperature causes the structure gradually to transform from stabilized BCC to FCC. Also, as the aging temperature...
The flow stress of Nickel-based γ/γ′ superalloys containing up to 73vol.% of Ni 3 Al precipitates is calculated by dislocation dynamics simulations of a dislocation pair gliding on {111} planes, for temperatures up to 1000K. It is calculated for different composition-related parameters (friction stress and APB energy), as well as for different microstructural parameters (channel width, precipitate...
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