ISRN Metallurgy· 2012· Review
Overview of Intermetallic Sigma () Phase Precipitation in Stainless Steels
- 438citations
- 2012year
Short summary
This review synthesizes current knowledge on the precipitation of the sigma () phase in stainless steels, a critical factor influencing material properties.
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Key points
- Sigma () phase precipitation is a key microstructural event in stainless steels.
- The review covers precipitation morphologies, sites, and property effects.
- Methods for predicting, controlling, and retarding sigma phase formation are discussed.
- Thermo-Calc simulations are highlighted as a tool for understanding sigma phase behavior.
AI-generated from the title and abstract; the full text is not read.
Abstract
The phase which exists in various series of stainless steels is a significant subject in steels science and engineering. The precipitation of the 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 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 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 phase in stainless steels are highlighted.
The authors' abstract, as published at the source. ISRN Metallurgy, 2012 · DOI ↗
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Field: Metals and Alloys
Metals and AlloysMaterials Science