M23C6 precipitation behavior and grain boundary serration in Ni-based Alloy 690

A study on the Cr-rich M23C6 precipitation and grain boundary serration in Ni-based Alloy 690 was conducted through various heat treatments. Fine granular carbides and discontinuous precipitates were evolved during isothermal treatments at 720°C for 0.1–100h, and their precipitation morphologies and...

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Veröffentlicht in:	Materials characterization 2014-10, Vol.96, p.28-39
Hauptverfasser:	Lim, Yun Soo, Kim, Dong Jin, Hwang, Seong Sik, Kim, Hong Pyo, Kim, Sung Woo
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbides Chromium Cooling Cross-disciplinary physics: materials science rheology Exact sciences and technology Grain boundaries Grain boundary migration Grain boundary serration Heat treatment M23C6 precipitation Materials science Ni-based alloy Nickel base alloys Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Precipitation Solidification Superalloys
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