低锡铜锡镍合金热处理技术的研究与改进  

Research and Improvement of Heat Treatment Technology for Low Sn Cu Sn Ni Alloy

作　　者：熊哲思 孙佳明 王敏 Xiong Zhesi;Sun Jiaming;Wang Min(Jiangxi Copper Group Copper Strip Co.,Ltd.,Nanchang Jiangxi 330000)

机构地区：[1]江铜集团铜板带有限公司,江西南昌330000

出　　处：《山西冶金》2022年第9期17-18,共2页Shanxi Metallurgy

摘　　要：针对江铜集团铜板带有限公司水平连铸进行钟罩炉退火工艺、气垫炉退火工艺、成品退火工艺和留底料钟罩炉退火工艺的研究。研究结果表明:钟罩炉退火工艺采用480℃/6 h模式、气垫炉退火工艺最佳退火速度为25 m/min、成品退火工艺采用230℃/3.5 h退火模式、留底料钟罩炉退火工艺采用460℃/6 h退火方式;以上工艺条件能够有效消除冷轧加工硬化,达到减小应力、带材性能优良、表面晶粒组织均匀的目的。Jiangxi Copper Group Copper Sheet and Strip Co.,Ltd.has carried out research on bell jar annealing process,air cushion furnace annealing process,finished product annealing process and bell jar furnace annealing process for retaining bottom materials.The research results show that the bell jar furnace annealing process adopts 480℃/6 h mode,the best annealing speed of air cushion furnace annealing process is 25 m/min,the finished product annealing process adopts 230℃/3.5 h mode,and the bell jar furnace annealing process for retaining bottom materials adopts 460℃/6 h mode.The above process conditions can effectively eliminate cold rolling work hardening,and achieve the goal of reducing stress,excellent strip properties,and uniform surface grain structure.

关 键 词：低锡铜锡镍合金 钟罩炉退火 气垫炉退火 成品退火 

分 类 号：TG166[金属学及工艺—热处理]