Deformation Properties of Thermally Aged E308L Stainless Steel
Author Information
Author(s): Han Yongming, Cao Xinyuan, Lu Yonghao, Shoji Tetsuo
Primary Institution: National Center for Materials Service Safety, University of Science and Technology Beijing
Hypothesis
How does thermal aging affect the microstructure and deformation behavior of E308L stainless steel cladding materials?
Conclusion
Thermal aging leads to microstructural changes that affect the deformation behavior and crack initiation in E308L stainless steel cladding materials.
Supporting Evidence
- Carbide formation occurs in both unaged and aged cladding materials.
- Thermal aging treatment results in spinodal decomposition and G-phase precipitation in the aged ferrite phase.
- Microcracks develop along straight slip bands in unaged ferrite phases and along curvilinear slip bands in aged ferrite phases.
Takeaway
This study looks at how heating stainless steel for a long time changes its structure and how it bends or breaks.
Methodology
The study used backscatter electron microscopy, transmission electron microscopy, and scanning electron microscopy to analyze the microstructure and deformation behavior of the cladding material.
Digital Object Identifier (DOI)
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