Title : Preparation of High-Nitrogen Ductile Iron by Injecting Nitrogen Gas in Molten Iron.

Pub. Date : 2020 May 31

PMID : 32486402






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1 Preparation of High-Nitrogen Ductile Iron by Injecting Nitrogen Gas in Molten Iron. Nitrogen gastrin Homo sapiens
2 Preparation of High-Nitrogen Ductile Iron by Injecting Nitrogen Gas in Molten Iron. Nitrogen gastrin Homo sapiens
3 High-nitrogen ductile iron (DI) was prepared by a new method of injecting nitrogen gas into molten iron and nodularizing treatment. Nitrogen gastrin Homo sapiens
4 High-nitrogen ductile iron (DI) was prepared by a new method of injecting nitrogen gas into molten iron and nodularizing treatment. Nitrogen gastrin Homo sapiens
5 The graphite morphology gradually deteriorated with the increase in the nitrogen gas injection time. Nitrogen gastrin Homo sapiens
6 The maximum nitrogen and pearlite contents were obtained after 20 min of nitrogen gas injection, and the corresponding tensile strength and elongation of the DI were calculated as 492 MPa and 9.5%, respectively, which were 9.3% and 22% higher than those of the DI prepared without the nitrogen gas injection treatment, respectively. Nitrogen gastrin Homo sapiens
7 The maximum nitrogen and pearlite contents were obtained after 20 min of nitrogen gas injection, and the corresponding tensile strength and elongation of the DI were calculated as 492 MPa and 9.5%, respectively, which were 9.3% and 22% higher than those of the DI prepared without the nitrogen gas injection treatment, respectively. Nitrogen gastrin Homo sapiens
8 The maximum nitrogen and pearlite contents were obtained after 20 min of nitrogen gas injection, and the corresponding tensile strength and elongation of the DI were calculated as 492 MPa and 9.5%, respectively, which were 9.3% and 22% higher than those of the DI prepared without the nitrogen gas injection treatment, respectively. Nitrogen gastrin Homo sapiens