基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材
稀有金属	稀土稀土矿稀土氧化物稀土金属钕铁硼稀散金属锑铋铟锗镓硒钽锆贵金属白银钨钨精矿钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极电解液隔膜隔膜电解液电芯

榆林新材料集团成功攻克高品质大规格 7 系铝合金扁锭制备技术

2025-09-05 16:52:27 来源：北方有色网责任编辑：王欣悦

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近日，在铜川董家河循环经济产业园中试车间，一块重达数吨的亮银色铝合金扁锭顺利下线，标志着榆林新材料集团研发中心历时3年攻关的“高品质大规格7系铝合金扁锭研制”项目取得重大突破。这一成果填补了公司在高品质大规格7系铝合金半连续铸造技术方面的空白，显著提升了铝产品附加值，为后续铝深加工业务的拓展奠定了坚实基础。

7系铝合金以其卓越的综合性能，在航空航天、交通运输等高端领域得到广泛应用。随着全球轻量化趋势的不断推进，市场对7系铝合金宽幅板带材的需求持续攀升，而宽幅板带材的加工离不开大规格扁锭作为基材。有鉴于此，自2022年起，榆林新材料集团研发中心联合中南大学，依托秦创原创新驱动平台，组建了专项攻关组，全力聚焦高品质大规格7系铝合金扁锭制备技术的研究与突破。

在半连铸造环节，由于其冷却速度快、温度梯度大，铸锭极易出现缩孔、缩松、枝晶偏析、开裂等缺陷，这些问题严重制约了铝合金组织性能的提升。面对这一挑战，研发团队通过精准调控生产设备的关键参数，严格把控每一个工艺流程，从技术研讨、方案打磨到样品检测，逐一攻克难点，为产品的成功下线提供了有力保障。

从实验室研究到生产线实践，榆林新材料集团研发中心通过延链补链强链，有效拓展了市场空间。展望未来，研发中心将继续秉持“四链融合”的理念，推动产业变革，聚焦铝产业的差异化、高端化发展，不断完善科技创新生态，持续推动铝产业链向高端制造领域迈进。

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