Оптимізація вмісту кремнію в FeSiMg лігатурах для сфероїдизуючої обробки розплавів чавуну
The improvement of the structure of thin-walled high-strength cast irons with a wall thickness of 2-3 mm and castings with a difference in wall thickness from 2 to 10-12 mm by modification with the FSMg7 alloy was studied. Processing the FeSiMg melt with a ligature with optimized silicon content pro...
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| Date: | 2018 |
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| Main Author: | |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Physico- Technological Institute of Metals and Alloys of the NAS of Ukraine
2018
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| Online Access: | https://momjournal.org.ua/index.php/mom/article/view/2018-3-13 |
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| Journal Title: | Metal Science and Treatment of Metals |
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Metal Science and Treatment of Metals| Summary: | The improvement of the structure of thin-walled high-strength cast irons with a wall thickness of 2-3 mm and castings with a difference in wall thickness from 2 to 10-12 mm by modification with the FSMg7 alloy was studied. Processing the FeSiMg melt with a ligature with optimized silicon content provides a high level of graphitization of the structure of thin-walled castings. In the 2.0 mm thick wall, the number of inclusions of spherical graphite reached 1680 pieces/mm2, and in the 3.0 mm and 12.0 mm walls – 1180 and 780 pieces/mm2, respectively. |
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