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Consolidation of Nano-Oxide Dispersion Strengthened Austenitic Stainless Steels for High Temperature Applications–A Review


Affiliations
1 Dept. of Mech Engineering, Veltech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamilnadu, India
2 Dept. of Mech Engineering, V R Siddhartha Engineering College, Viayawada, Andhra Pradesh, India
3 Dept. of Mech Engineering, Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh, India
4 Dept. of Chemistry, Veltech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamilnadu, India
     

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Austenitic stainless steels play vital role in high temperature applications. The components used in fission reactors should have better tensile properties at high temperature. To overcome the issues raised by conventional steels, a new group of steels known as oxide dispersion strengthened (ODS) steels are created. Nowadays, two groups of ODS steels such as the ferritic and austenitic ODS steels are being used. The present work mainly focusses on the processing of ODS austenitic steels. The consolidation processes adopted for ODS austenitic steels are discussed in detail. The microstructural features and precipitation of nano-oxides during compaction are also reported. In addition to this, the mechanical properties such as tensile strength and elongation values obtained by various manufacturing processes are also discussed.

Keywords

Oxide Dispersion Strengthened, Austenitic Steel, Consolidation, Nano-Oxides, Tensile Strength and Elongation.
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  • Consolidation of Nano-Oxide Dispersion Strengthened Austenitic Stainless Steels for High Temperature Applications–A Review

Abstract Views: 297  |  PDF Views: 2

Authors

P. Kishore Kumar
Dept. of Mech Engineering, Veltech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamilnadu, India
N. Vijaya Sai
Dept. of Mech Engineering, V R Siddhartha Engineering College, Viayawada, Andhra Pradesh, India
A. Gopala Krishna
Dept. of Mech Engineering, Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh, India
N. G. Renganathan
Dept. of Chemistry, Veltech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamilnadu, India

Abstract


Austenitic stainless steels play vital role in high temperature applications. The components used in fission reactors should have better tensile properties at high temperature. To overcome the issues raised by conventional steels, a new group of steels known as oxide dispersion strengthened (ODS) steels are created. Nowadays, two groups of ODS steels such as the ferritic and austenitic ODS steels are being used. The present work mainly focusses on the processing of ODS austenitic steels. The consolidation processes adopted for ODS austenitic steels are discussed in detail. The microstructural features and precipitation of nano-oxides during compaction are also reported. In addition to this, the mechanical properties such as tensile strength and elongation values obtained by various manufacturing processes are also discussed.

Keywords


Oxide Dispersion Strengthened, Austenitic Steel, Consolidation, Nano-Oxides, Tensile Strength and Elongation.

References