7A09合金铸锭羽毛状晶产生原因及防治措施

段玉波

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7A09合金铸锭羽毛状晶产生原因及防治措施
Origination and Preventive Measures of Feather-like Crystal in 7A09 Alloy Ingot
2001年第4期页码：42-43
纸质出版日期： 2001 ，
DOI：

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[1]段玉波.7A09合金铸锭羽毛状晶产生原因及防治措施[J].特种铸造及有色合金,2001(04):42-43+0.

Duan Yubo. Origination and Preventive Measures of Feather-like Crystal in 7A09 Alloy Ingot[J]. Special Casting & Nonferrous Alloys, 2001,(4):42-43.
[1]段玉波.7A09合金铸锭羽毛状晶产生原因及防治措施[J].特种铸造及有色合金,2001(04):42-43+0. DOI：

Duan Yubo. Origination and Preventive Measures of Feather-like Crystal in 7A09 Alloy Ingot[J]. Special Casting & Nonferrous Alloys, 2001,(4):42-43. DOI：

摘要

在生产中发现3 10mm规格以上 7A0 9锻件用铸锭出现了羽毛状晶

成为不合格锻坯

研究了羽毛状晶产生的原因

并采取相应防治措施

消除了羽毛状晶缺陷

最终获得合格铸锭

Abstract

The feather-like crystal that lead to unqualified ingot was found in 7A09 alloy ingot for forging in specification of more than 310 mm. The reason for feather-like crystal formation was studied and corre sponding preventive measures were adopted to have eliminated the defects of feat her-like crystal. Finally

the qualified ingot was obtained.

关键词

7A09合金锻件用铸锭羽毛状晶

Keywords

A09 AlloyIngotFeather-like Crystal

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