Overview of Intermetallic Sigma () Phase Precipitation in Stainless Steels
By Chih-Chun Hsieh, Weite Wu. 2012
478 citations recorded by the source corpus.
The 𝜎 phase which exists in various series of stainless steels is a significant subject in steels science and engineering. The precipitation of the 𝜎 phase is also a widely discussed aspect of the science and technology of stainless steels. The microstructural variation, precipitation mechanism, prediction method, and effects of properties of 𝜎 phase are also of importance in academic discussions. In the first section, a brief introduction to the development and the precipitation characteristics (including morphologies and precipitation sites) of 𝜎 phase in stainless steels is presented. In the second section, the properties effect, prediction method, processing effect, elemental addition, retardation method and Thermo-Calc simulation of the 𝜎 phase in stainless steels are highlighted.
Subfields: Aerospace Engineering, Mechanical Engineering, Metals and Alloys
View Paper: https://www.semanticscholar.org/paper/7ea3055437a2d5b35da8f0ba1cfd11913e99852b
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Citations in the corpus
- Effect of second phase particles on mechanical properties and grain growth in a CoCrFeMnNi high entropy alloy (2019, background): “At the same time the sigma phase has a complex tetragonal crystal structure which retards the precipitation kinetics [37,38].”