铸造技术2026，Vol.47Issue(2)：206-211,6.DOI:10.16410/j.issn1000-8365.2026.5257
Ti-6Al-4V钛合金铸锭成分均匀性提升研究
Study on Improving the Composition Uniformity of Ti-6Al-4V Titanium Alloy Ingots
摘要
Abstract
To increase the compositional uniformity of Ti-6Al-4V alloy ingots and address the issue of aluminium(Al)depletion occurring at the bottom of the ingot,the influences of different mixing weights(100,150,and 200 kg)and mixing cycles(single mixing and double mixing)during electrode block preparation on the alloy distribution in electrode blocks and the compositional uniformity of the final ingots were systematically investigated.The results show that with increasing mixing weight,the degree of vanadium-aluminium(V-Al)alloy deposition and the number of Al nodules in the middle and lower parts of the electrode block intensify,leading to macroscopic segregation inside the electrode block.Under the single mixing method,a large-scale alloy-depleted zone is formed in the upper part of the electrode block;this inhomogeneity cannot be completely eliminated in the subsequent melting process and is ultimately inherited by the ingot bottom,resulting in an Al-depleted region.In contrast,the double mixing method,through batch feeding,effectively breaks up the scale of macroscopic segregation and confines it within the tolerance range of self-homogenization capability during the melting process.Consequently,the overall compositional uniformity of the ingot is significantly improved.关键词
Ti-6Al-4V合金/铸锭/混料方式/电极块/成分均匀性Key words
Ti-6Al-4V alloy/ingot/mixing method/electrode block/composition uniformity分类
矿业与冶金引用本文复制引用
梁敬凡,刘鹏,朱仔成,王阳阳,雷强,何涛,罗文忠..Ti-6Al-4V钛合金铸锭成分均匀性提升研究[J].铸造技术,2026,47(2):206-211,6.基金项目
西部超导材料科技股份有限公司自主研究课题(ZX2025050) （ZX2025050）
