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Analysis of cracking phenomena in continuous casting of 1Cr13 stainless steel billets with final electromagnetic stirring
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DOI：10.1007/s12613-016-1264-6.png)
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Abstract
En 中文
Solidification cracking that occurs during continuous casting of 1Cr13 stainless steel was investigated with and without final electromagnetic stirring (F-EMS). The results show that cracks initiates and propagates along the grain boundaries where the elements of carbon and sulfur are enriched. The final stirrer should be appropriately placed at a location that is 7.5 m away from the meniscus, and the appropriate thickness of the liquid core in the stirring zone is 50 mm. As a stirring current of 250 A is imposed, it can promote columnar-equiaxed transition, decrease the secondary dendrite arm spacing, and reduce the segregation of both carbon and sulfur. F-EMS can effectively decrease the amount of cracks in 1Cr13 stainless steel.
Keywords:
stainless steel
cracking
solidification
continuous casting
electromagnetic stirring
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