The formation mechanism of band-like microstructures in directionally solidified Cu-1.0%Cr hypoeutectic alloy

Acta Metall Sin

2007, Vol. 43

Issue (12): 1256-1260 DOI:

Research Articles

Current Issue | Archive | Adv Search

The formation mechanism of band-like microstructures in directionally solidified Cu-1.0%Cr hypoeutectic alloy

LI Xiao-Li;;;;

西北工业大学凝固技术国家重点实验室

Cite this article:

LI Xiao-Li. The formation mechanism of band-like microstructures in directionally solidified Cu-1.0%Cr hypoeutectic alloy. Acta Metall Sin, 2007, 43(12): 1256-1260 .

Download:

PDF(1290KB)
Export: BibTeX | EndNote (RIS)

Abstract Band-like microstructures were observed in directionally solidified Cu-1.0%Cr hypoeutectic alloy at the growth rate ranging from 2m/s to 10m/s and the temperature gradient of 200K/cm in liquid. There are three kinds of band-like microstructures, which are the planar interface plus coupled eutectic, the planar interface plus cellular structure with the growth of coupled eutectic, and cellular interface structure plus coupled eutectic, respectively. The formation mechanism of band-like microstructures has been illustrated by discussing the solute distribution ahead of solid-liquid interface in which the growth rate and alloy composition are changed at the non-steady state in directional solidification. In addition, the density difference between Cu phase and Cr phase is also an available factor to cause the formation of band-like microstructures in directionally solidified Cu-1.0%Cr hypoeutectic alloy.

Key words:

Received: 07 February 2007

ZTFLH:

TG132.32

	Service

	E-mail this article
	Add to citation manager
	E-mail Alert
	RSS
	（）
	Articles by authors
	LI Xiao-Li

URL:

https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2007/V43/I12/1256

[1]Burden M H,Hunt J D.J Cryst Growth,1974;22:109
[2]Karma A,Sarkissian A.Metall Mater Trans,1996;27A: 635
[3]Hunziker O,Vandyoussefi M,Kurz W.Acta Mater,1998; 46:6325
[4]Kerr H W,Kurz W.Int Mater Rev,1996;41:129
[5]Han S H,Trivedi R.Metall Mater Trans,2000;31A:1819
[6]Karma A,Rappel W J,Fuh B C,Trivedi R.Metall Mater Trans,1998;29A:1457
[7]Tokieda K,Yasuda H,Ohnaka I.Mater Sci Eng,1999; A262:238
[8]Li S M,Liu L,Li X L,Fu H Z.Acta Metall Sin,2004;40: 20 (李双明，刘林，李晓历，傅恒志．金属学报，2004；40：20)
[9]Li X Z,Guo J J,Su Y Q,Wu S P,Fu H Z.Acta Metall Sin,2005;41:593 (李新中，郭景杰，苏彦庆，吴士平，傅恒志．金属学报，2005；41：593)
[10]Guo J J,Li X Z,Su Y Q,Wu S P,Fu H Z.Acta Metall Sin,2005;41:599 (郭景杰，李新中，苏彦庆，吴士平．傅恒志．金属学报，2005；41：599)
[11]Liu P,Jia S G,Zhao D M,Ken F Z,Tian B H,Kang B X.Mater Rev,2004;18(6):32 (刘平，贾淑果，赵冬梅，任凤章，田保红，康布熙．材料导报，2004；18(6)：32)
[12]Bi X Q,Hu R,Li J S,Zhu Q,Fu H Z.Mater Sci Technol, 2005;13:153 (毕晓勤，胡锐，李金山，朱琦，傅恒志．材料科学与工艺，2005；13：153)
[13]Hu R,Bi X Q,Li J S,Fu H Z.Sci Technol Adv Mater, 2005;6:950
[14]Carroll H E,Whitehouse A F.Set Mater,2000;42:1133
[15]Yu J Q,Yi W Z,Chen B D,Chen H J.Phase Diagram of Binary Alloy.Shanghai:Shanghai Science and Technol- ogy Press,1987:318 (虞觉奇，易文治，陈邦迪，陈宏鉴．二元合金相图集．上海：上海科学技术出版社，1987：318)
[16]Tiller W A,Jackson K A,Rutter J W,Chalmers B.Acta Metall,1953;1:428

[1]	WANG Luning, LIU Lijun, YAN Yu, YANG Kun, LU Lili. *Influences of Protein Adsorption on the in vitro* Corrosion of Biomedical Metals**[J]. 金属学报, 2021, 57(1): 1-15.
[2]	TUNG Feng'en;WANG Yuming Institute of Materials Science; Jilin University; Changchun. X-RAY ANALYSIS OF WORK-HARDENING PROCESS FOR POLYCRYSTALLINE а-BRASS DURING UNIAXIAL TENSILE TEST[J]. 金属学报, 1989, 25(2): 82-84.
[3]	WANG Jinliang, WANG Chenchong, HUANG Minghao, HU Jun, XU Wei. The Effects and Mechanisms of Pre-Deformation with Low Strain on Temperature-Induced Martensitic Transformation[J]. 金属学报, 2021, 57(5): 575-585.
[4]	DU Hegui;LIU Xin Northeast University of Technology; Shenyang. KINETICS OF CARBON COMBUSTION IN PLASMA AIR[J]. 金属学报, 1989, 25(2): 85-88.
[5]	. [J]. 金属学报, 2001, 37(1): 42-46 .
[6]	. [J]. 金属学报, 1999, 35(3): 320-324 .
[7]	. [J]. 金属学报, 2000, 36(1): 72-76 .
[8]	. [J]. 金属学报, 1999, 35(3): 330-333 .
[9]	. [J]. 金属学报, 1999, 35(3): 334-336 .
[10]	. [J]. 金属学报, 2000, 36(6): 647-650 .
[11]	. [J]. 金属学报, 2000, 36(6): 655-658 .
[12]	No Author. ACTA METALLURGLCA SLNLCA Volume 28 Series A 1992 SUBJECT INDEX[J]. 金属学报, 1992, 28(12): 63-90.
[13]	. [J]. 金属学报, 2000, 36(7): 780-784 .
[14]	No Author. ACTA METALLURGICA SINICA(JINSHU XUEBAO) Volume 28 1992 AUTHOR INDEX[J]. 金属学报, 1992, 28(12): 71-94.
[15]	Хань Яо-вэнь Инсмцмум мемаддов АН КНР;Г.н.Ойкс Московскц цнсмцмум смадц. НЗУЧЕНИЕ ПРОЦЕССОВ ДЕСУЛЬФУРАЦИИ ХНДКОΓО МЕТАЛЛА В ВАКУУМЕ[J]. 金属学报, 1963, 6(2): 98-110.

No Suggested Reading articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed