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Fabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion properties
Alternative TitleFabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion properties
Li Huabing; Jiang Zhouhua; Cao Yang; Zhang Zurui
2009
Source PublicationINTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
ISSN1674-4799
Volume16Issue:4Pages:387-392
AbstractA series of high nitrogen austenitic stainless steels were successfully developed with a pressurized electroslag remelting furnace. Nitride additives and deoxidizer were packed into the stainless steel pipes, and then the stainless steel pipes were welded on the surface of an electrode with low nitrogen content to prepare a compound electrode. Using Si(3)N(4) as a nitrogen alloying source, the silicon contents in the ingots were prone to be out of the specification range, the electric current fluctuated greatly and the surface qualities of the ingots were poor. The surface qualities of the ingots were improved with FeCrN as a nitrogen alloying source. The sound and compact macrostructure ingot with the maximum nitrogen content of 1.21 wt% can be obtained. The 18Cr18Mn2Mo0.9N high nitrogen austenitic stainless steel exhibits high strength and good ductility at room temperature. The steel shows typical ductile-brittle transition behavior and excellent pitting corrosion resistance properties.
Other AbstractA series of high nitrogen austenitic stainless steels were successfully developed with a pressurized electroslag remelting furnace.Nitride additives and deoxidizer were packed into the stainless steel pipes,and then the stainless steel pipes were welded on the surface of an electrode with low nitrogen content to prepare a compound electrode.Using Si3N4 as a nitrogen alloying source,the silicon contents in the ingots were prone to be out of the specification range,the electric current fluctuated greatly and the surface qualities of the ingots were poor.The surface qualities of the ingots were improved with FeCrN as a nitrogen alloying source.The sound and compact macrostructure ingot with the maximum nitrogen content of 1.21wt% can be obtained.The 18Cr18Mn2Mo(0.9)N high nitrogen austenitic stainless steel exhibits high strength and good ductility at room temperature.The steel shows typical duc-tile-brittle transition behavior and excellent pitting corrosion resistance properties.
KeywordCLEAVAGE-LIKE FRACTURE TEMPERATURE high nitrogen austenitic stainless steels electroslag remelting nitrogen alloying ductile-brittle transition pitting corrosion resistance
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:3675642
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/152834
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Li Huabing,Jiang Zhouhua,Cao Yang,et al. Fabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion properties[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2009,16(4):387-392.
APA Li Huabing,Jiang Zhouhua,Cao Yang,&Zhang Zurui.(2009).Fabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion properties.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,16(4),387-392.
MLA Li Huabing,et al."Fabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion properties".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 16.4(2009):387-392.
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