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Effect of composition and aging time on hardness and wear behavior of Cu-Ni-Sn spinodal alloy

合金成分和时效时间对Cu-Ni-Sn 尖晶态合金硬度和磨损性能的影响

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Abstract

Copper alloyed with various compositions of nickel and tin were cast into molds under argon atmosphere. The cast rods were homogenized, solution heat treated, followed by aging for different time duration. The specimens were characterized for microstructure and tested for microhardness and wear rate. A hybrid model with a linear function and radial basis function was developed to analyze the influence of nickel, tin, and aging time on the microhardness and tribological behavior of copper-nickel-sin alloy system. The results indicate that increase in the composition of nickel and tin increases the microhardness and decreases the wear rate of the alloy. The increase in the concentration of nickel and tin decreases the peak aging time of the alloy system.

摘要

将含有不同成分镍和锡的铜合金在氩气气氛下进行模铸。对铸棒进行均匀化、固溶热处理后进 行不同时间时效处理。对试样进行了显微组织表征,并对试样的显微硬度和磨损率进行了测试。建立 了线性函数和径向基函数的混合模型,分析了镍、锡和时效时间对Cu-Ni-Sn 合金显微硬度和摩擦学 行为的影响。结果表明,镍、锡成分的增加使合金基体的显微硬度增加,磨损率降低。镍和锡浓度的 增加降低了合金体系的峰值时效时间。

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Authors and Affiliations

  1. Department of Mechanical Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India

    S. Ilangovan, R. Vaira Vignesh, R. Padmanaban & J. Gokulachandran

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  1. S. Ilangovan
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  2. R. Vaira Vignesh
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  3. R. Padmanaban
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  4. J. Gokulachandran
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Correspondence to R. Padmanaban.

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Ilangovan, S., Vaira Vignesh, R., Padmanaban, R. et al. Effect of composition and aging time on hardness and wear behavior of Cu-Ni-Sn spinodal alloy. J. Cent. South Univ. 26, 2634–2642 (2019). https://doi.org/10.1007/s11771-019-4200-x

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  • DOI: https://doi.org/10.1007/s11771-019-4200-x

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