cunisal共晶多主元素合金的组织与凝固行为

IF 1.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Technology Pub Date : 2023-05-14 DOI:10.1080/02670836.2023.2210917

Xulong An, Xiaotong Zhang, Y. Sui, Jing Hu, Zhengxiang Xu, Wei Wei, C. Chu, Wenwen Sun

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引用次数: 1

摘要

共晶多主元素合金因其优异的铸造性能、独特的近平衡组织和可控性而具有广阔的应用前景。本研究设计并研究了一种新型含铜Cu42.3Ni30Si15Al12.7共晶多主元素合金。合金组织由初生相Ni2Si和共晶相FCC(Cu) + BCC(NiAl)组成。共晶反应温度为1004℃。了解凝固过程是优化凝固参数和后续退火的关键。铸态Cu42.3Ni30Si15Al12.7合金具有较高的显微硬度(400±2.4 HV)和抗压断裂强度(1511 MPa)。

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Microstructure and solidification behaviour of CuNiSiAl eutectic multi-principal element alloy

Eutectic multi-principal element alloys show great promise due to their exceptional castability, unique near-equilibrium microstructure, and controllability. In this study, a novel copper-containing Cu42.3Ni30Si15Al12.7 eutectic multi-principal element alloy was designed and investigated. The microstructure of the alloy is composed of primary phase Ni2Si and eutectic phase (FCC(Cu) + BCC(NiAl)). The eutectic reaction temperature is 1004°C. Understanding the solidification process is crucial for optimising solidification parameters and subsequent annealing. The as-cast Cu42.3Ni30Si15Al12.7 alloy exhibits high micro-hardness (400 ± 2.4 HV) and compressive fracture strength (1511 MPa)

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来源期刊

Materials Science and Technology 工程技术-材料科学：综合

CiteScore

2.70

自引率

5.60%

发文量

审稿时长

3 months

期刊介绍：《Materials Science and Technology》（MST） is an international forum for the publication of refereed contributions covering fundamental and technological aspects of materials science and engineering.