CAS OpenIR  > 中科院上海原子核所2003年前
Microstructure evolution of Cu-Mn alloy under laser rapid solidification conditions
Pan, QY; Lin, X; Huang, WD; Zhou, YH; Zhang, GL(张国亮)
1998
Source PublicationMATERIALS RESEARCH BULLETIN
ISSN0025-5408
Volume33Issue:11Pages:1621
AbstractLaser rapid solidification experiments were performed on a Cu-Mn alloy to investigate its microstructure evolution as a function of growth rate. By taking transverse and longitudinal sections of the laser traces, the resulting morphology and the corresponding growth rate were quantitatively measured by scanning electron microscopy (SEM) and image analysis. As the growth rate increased, the morphological transition from dendrite --> fine cellular crystal --> banded structure --> fully cell-free microstructure, involving planar front growth, was clearly observed in the laser molten pool. By determining these transition conditions and comparing them with the predictions of theoretical models, we found that the origin of the banding can be well elucidated by the current Carrard-Gremaud-Zimmermann-Kurz (CGZK) phenomenological model, while the critical condition of planar front growth was in reasonable agreement with Mullins-Sekerka (M-S) stability theory. (C) 1998 Elsevier Science Ltd.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000077241200007
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10058
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
Pan, QY,Lin, X,Huang, WD,et al. Microstructure evolution of Cu-Mn alloy under laser rapid solidification conditions[J]. MATERIALS RESEARCH BULLETIN,1998,33(11):1621.
APA Pan, QY,Lin, X,Huang, WD,Zhou, YH,&Zhang, GL.(1998).Microstructure evolution of Cu-Mn alloy under laser rapid solidification conditions.MATERIALS RESEARCH BULLETIN,33(11),1621.
MLA Pan, QY,et al."Microstructure evolution of Cu-Mn alloy under laser rapid solidification conditions".MATERIALS RESEARCH BULLETIN 33.11(1998):1621.
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