Cu-10Ni-4.5Sn合金的铸态组织、性能及退火工艺

蔡薇; 彭丽军; 谢从友; 任欣; 黄志刚; 陈绍广

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Cu-10Ni-4.5Sn合金的铸态组织、性能及退火工艺
As-cast Microstructure and Properties of Cu-10Ni-4.5Sn Alloy and Its Annealing Process
2010年30卷第7期页码：599-601
纸质出版日期： 2010 ，
DOI：

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[1]蔡薇,彭丽军,谢从友,任欣,黄志刚,陈绍广.Cu-10Ni-4.5Sn合金的铸态组织、性能及退火工艺[J].特种铸造及有色合金,2010,30(07):599-601+582.

Cai Wei1, Peng Lijun1, Xie Congyou1, et al. As-cast Microstructure and Properties of Cu-10Ni-4.5Sn Alloy and Its Annealing Process[J]. Special Casting & Nonferrous Alloys, 2010,30(7):599-601.
[1]蔡薇,彭丽军,谢从友,任欣,黄志刚,陈绍广.Cu-10Ni-4.5Sn合金的铸态组织、性能及退火工艺[J].特种铸造及有色合金,2010,30(07):599-601+582. DOI：

Cai Wei1, Peng Lijun1, Xie Congyou1, et al. As-cast Microstructure and Properties of Cu-10Ni-4.5Sn Alloy and Its Annealing Process[J]. Special Casting & Nonferrous Alloys, 2010,30(7):599-601. DOI：

摘要

以Cu-10Ni-4.5Sn为研究对象

探讨合金的铸态组织、性能

以及均匀化处理及软化退火条件等对后续固溶时效处理强化效果的影响。试验研究表明

铸锭在冷轧开坯前

采用750℃×12h均匀化处理（均匀化处理后铸态合金的抗拉强度和电导率分别为241.3MPa和5.8MS/m）

经过总加工率为60%的冷轧后

在700℃×6h条件下软化退火

再经总加工率为85%的冷轧

在800℃×1h固溶处理及400℃×6h下进行时效处理后

其带材的电导率及硬度（HV）可达8.8MS/m和378.6

合金抗拉强度及伸长率分别为1275.9MPa和3.0%。

Abstract

Effects of homogenization treatment and softening annealing on solid solution strengthening and as-cast microstructure and mechanical properties of Cu-10Ni-4.5Sn alloy were investigated.Tensile strength and electric conductivity of the alloy after homogenization treatment at 750℃ for 12h reach up to 241.3MPa and 5.8MS/m

respectively.Meanwhile

the electric conductivity

hardness

tensile strength and elongation of the strip in which the ingot is homogenized at 750℃ for 12 hours before cold rolling can reach up to 8.8MS/m

378.6

1275.9MPa and 3.0%

respectively

with softening annealing at 700℃ for 6 hours after 60% total deformation rate

and then with solid solution at 800℃ for 1 hours and 400℃ for 6 hours after 85% total deformation.