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水平连铸BFe10-1-1铜合金坯

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2009-02-20

Journal: 特种铸造及有色合金

Included Journals: Scopus、CSCD、ISTIC、PKU

Volume: 29

Issue: 2

Page Number: 187-189

ISSN: 1001-2249

Key Words: 水平连铸;BFe10-1-1铸坯;凝固组织;元素分布

Abstract: 探索了用水平连铸法生产83 mm的BFe10-1-1铜合金铸坯的工艺.并对铸坯的表面质量、凝固组织及溶质元素的分布进行了分析.结果表明,采用该工艺制备出的铸坯外表面光滑,无明显振痕;铸坯宏观凝固组织边部为细小的柱状晶,内部为细小均匀的等轴晶;微观凝固组织从边部到心部,呈现出从致密具有明显方向性的树枝晶到等轴晶的演变;测定了溶质元素在铸坯径向的分布,结果显示存在一定程度的成分偏析,针对该情况,提出了有效的解决方法.

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