Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy

Abstract Cu-1.33Ni-1.35Sn-0.08P(Ni/Sn = 1/1), Cu-0.87Ni-1.82Sn-0.08P (Ni/Sn = 1/2) and Cu-1.78Ni-0.86Sn-0.08P (Ni/Sn = 2/1) alloys were prepared to explore the effect of different Ni/Sn ratios on the microstructure and properties of the alloys. The results showed that the alloy had the best properti...

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Main Authors: Xiaokang Chen, Xiangpeng Xiao, Dawei Yuan, Jinshui Chen, Yu Wu
Format: Article
Language:English
Published: Nature Portfolio 2024-12-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-024-80079-w
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author Xiaokang Chen
Xiangpeng Xiao
Dawei Yuan
Jinshui Chen
Yu Wu
author_facet Xiaokang Chen
Xiangpeng Xiao
Dawei Yuan
Jinshui Chen
Yu Wu
author_sort Xiaokang Chen
collection DOAJ
description Abstract Cu-1.33Ni-1.35Sn-0.08P(Ni/Sn = 1/1), Cu-0.87Ni-1.82Sn-0.08P (Ni/Sn = 1/2) and Cu-1.78Ni-0.86Sn-0.08P (Ni/Sn = 2/1) alloys were prepared to explore the effect of different Ni/Sn ratios on the microstructure and properties of the alloys. The results showed that the alloy had the best properties when Ni/Sn = 1/2. At peak aging, its tensile strength and conductivity reached 447.3 MPa and 35.5% IACS respectively. Its tensile strength was 65.1 MPa and 88.8 MPa higher than that of the alloys with Ni/Sn = 1/1 and Ni/Sn = 2/1 respectively, and its conductivity was 1.1% IACS and 3.9% IACS higher. All three alloys had obvious dendrite segregation, but the alloy with Ni/Sn = 1/2 had finer dendrites and a more uniform distribution. In addition, the precipitates in the Cu-Ni-Sn-P alloys with Ni/Sn = 1/2 and Ni/Sn = 1/1 were all granular Ni12P5 phases, and the particles of the former are finer. The precipitates in the Cu-Ni-Sn-P alloy with Ni/Sn = 2/1 were rod-shaped. The strengthening mechanisms of the three alloys were Orowan strengthening, grain boundary strengthening, solid solution strengthening and dislocation strengthening, and Orowan strengthening was dominant. The Cu-Ni-Sn-P alloy with Ni/Sn = 1/2 had finer grains and precipitates, resulting in better tensile strength and electrical conductivity.
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spelling doaj-art-caac04afaa614adbb917a3bfb9fada8d2025-01-05T12:28:55ZengNature PortfolioScientific Reports2045-23222024-12-0114111110.1038/s41598-024-80079-wEffect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloyXiaokang Chen0Xiangpeng Xiao1Dawei Yuan2Jinshui Chen3Yu Wu4Jiangxi Advanced Copper Industry Research Institute, JiangXi University of Science and TechnologyJiangxi Advanced Copper Industry Research Institute, JiangXi University of Science and TechnologyJiangxi Advanced Copper Industry Research Institute, JiangXi University of Science and TechnologySchool of Materials Science and Engineering, JiangXi University of Science and TechnologyInstitute of Applied Physics, Jiangxi Academy of SciencesAbstract Cu-1.33Ni-1.35Sn-0.08P(Ni/Sn = 1/1), Cu-0.87Ni-1.82Sn-0.08P (Ni/Sn = 1/2) and Cu-1.78Ni-0.86Sn-0.08P (Ni/Sn = 2/1) alloys were prepared to explore the effect of different Ni/Sn ratios on the microstructure and properties of the alloys. The results showed that the alloy had the best properties when Ni/Sn = 1/2. At peak aging, its tensile strength and conductivity reached 447.3 MPa and 35.5% IACS respectively. Its tensile strength was 65.1 MPa and 88.8 MPa higher than that of the alloys with Ni/Sn = 1/1 and Ni/Sn = 2/1 respectively, and its conductivity was 1.1% IACS and 3.9% IACS higher. All three alloys had obvious dendrite segregation, but the alloy with Ni/Sn = 1/2 had finer dendrites and a more uniform distribution. In addition, the precipitates in the Cu-Ni-Sn-P alloys with Ni/Sn = 1/2 and Ni/Sn = 1/1 were all granular Ni12P5 phases, and the particles of the former are finer. The precipitates in the Cu-Ni-Sn-P alloy with Ni/Sn = 2/1 were rod-shaped. The strengthening mechanisms of the three alloys were Orowan strengthening, grain boundary strengthening, solid solution strengthening and dislocation strengthening, and Orowan strengthening was dominant. The Cu-Ni-Sn-P alloy with Ni/Sn = 1/2 had finer grains and precipitates, resulting in better tensile strength and electrical conductivity.https://doi.org/10.1038/s41598-024-80079-wCu-Ni-Sn-P alloyTensile strengthDendrite segregationNi12P5 phasesOrowan strengthening
spellingShingle Xiaokang Chen
Xiangpeng Xiao
Dawei Yuan
Jinshui Chen
Yu Wu
Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy
Scientific Reports
Cu-Ni-Sn-P alloy
Tensile strength
Dendrite segregation
Ni12P5 phases
Orowan strengthening
title Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy
title_full Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy
title_fullStr Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy
title_full_unstemmed Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy
title_short Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy
title_sort effect of ni sn ratio on microstructure and properties of cu ni sn p alloy
topic Cu-Ni-Sn-P alloy
Tensile strength
Dendrite segregation
Ni12P5 phases
Orowan strengthening
url https://doi.org/10.1038/s41598-024-80079-w
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AT xiangpengxiao effectofnisnratioonmicrostructureandpropertiesofcunisnpalloy
AT daweiyuan effectofnisnratioonmicrostructureandpropertiesofcunisnpalloy
AT jinshuichen effectofnisnratioonmicrostructureandpropertiesofcunisnpalloy
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