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Interrupted interface growth and periodic boundary layer trapping in dendrite growth of steel
X. P. Ma; D. Z. Li
2013
Source PublicationApplied Physics Letters
ISSN0003-6951
Volume102Issue:24
AbstractThe time continuity, spatial continuity, and segregation are investigated in the directional solidified columnar dendrite with pulling velocity 40 mu m/s and quenching solidified columnar dendrite of 20SiMn and 20SiMnMo steel. The results show that the growth of columnar dendrite is a dynamic discrete process with interrupted interface growth and periodic trapping of solute enriched boundary layer in growing austenite dendrite matrix. Theoretical analysis shows that the non-equilibrium solute partition at the growing interface and actual temperature gradient accounts for above phenomena. Such growth style results in the segregationless dendrite in the mesoscale. (C) 2013 AIP Publishing LLC.
description.department[ma, xiaoping ; li, dianzhong] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; ma, xp (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; xpma@imr.ac.cn ; dzli@imr.ac.cn
KeywordCrystal-growth Microsegregation Solidification Alloy Macrosegregation Origin Plate
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71403
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. P. Ma,D. Z. Li. Interrupted interface growth and periodic boundary layer trapping in dendrite growth of steel[J]. Applied Physics Letters,2013,102(24).
APA X. P. Ma,&D. Z. Li.(2013).Interrupted interface growth and periodic boundary layer trapping in dendrite growth of steel.Applied Physics Letters,102(24).
MLA X. P. Ma,et al."Interrupted interface growth and periodic boundary layer trapping in dendrite growth of steel".Applied Physics Letters 102.24(2013).
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