球化剂成分优化对风电铸件球墨铸铁性能的影响研究

Effect of spheroidizing agent on properties of spheroidal cast iron for wind turbine

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DOI 10.12208/j.jer.20250404
刊名
Journal of Engineering Research
年,卷(期) 2025, 4(9)
作者
作者单位

宁夏鑫焱新材料科技有限公司 宁夏石嘴山

摘要
球化剂成分的合理设计对于提升球墨铸铁在风电铸件中的综合性能具有重要意义。本文围绕球化剂中稀土、镁、钙等元素比例的优化展开研究,对比不同成分配比对铸件石墨形态、力学性能及显微组织的影响,明确成分调控与球化效果的内在联系。实验结果表明,优化后的球化剂能显著提升球化率与石墨球形度,进而增强铸件的强度与韧性,为风电装备大型复杂结构件的铸造提供技术支持与理论依据。
Abstract
The rational design of spheroidizing agent components is crucial for enhancing the overall performance of ductile iron in wind turbine castings. This study investigates the optimization of rare earth, magnesium, and calcium ratios in spheroidizing agents, comparing the effects of different component ratios on graphite morphology, mechanical properties, and microstructure. The research elucidates the intrinsic relationship between compositional control and spheroidization effects. Experimental results demonstrate that the optimized spheroidizing agent significantly improves spheroidization rate and graphite sphericity, thereby enhancing the strength and toughness of castings. These findings provide technical support and theoretical foundations for the casting of large-scale complex structural components in wind power equipment.
关键词
球化剂成分;球墨铸铁;风电铸件;性能提升;组织结构
KeyWord
Spheroidizing agent composition; Ductile iron; Wind turbine casting; Performance enhancement; Microstructure
基金项目
页码 57-59
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高龙 . 球化剂成分优化对风电铸件球墨铸铁性能的影响研究 [J]. 工程学研究. 2025; 4; (9). 57 - 59.

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