Focused Review on Cu–Ni–Sn Spinodal Alloys: From Casting to Additive Manufacturing

Sankar, Bipin; Vinay, V. Chaithanya; Vishnu, Jithin; Shankar, Karthik V.; Krishna, G. P. Gokul; Govind, V.; Jayakrishna, A. J.

doi:10.1007/s12540-022-01305-6

Cited by 13 publications

(7 citation statements)

References 122 publications

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“…The ultra-high cooling rate and large melt heat dissipation area make the Sn element too late to diffuse, thus effectively reducing the segregation degree and dendrite segregation spacing of Sn so as to obtain materials with uniform composition, microstructure, and properties. Commonly used rapid solidification technologies mainly include single-roll rotary casting, spray forming, and strip throwing technology [19]. Collins L. E. et al [20] prepared C72900 alloy strips with a thickness of 20-120 µm by the rapid solidification method.…”

Section: Rapid Solidification Technologymentioning

confidence: 99%

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Research Progress on Cu–15Ni–8Sn Alloys: The Effect of Microalloying and Heat Treatment on Microstructure and Properties

Yang,

Song,

Zhou

et al. 2023

Materials

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Cu–15Ni–8Sn alloy is the best choice to replace beryllium bronze alloy. This alloy has unparalleled application value in aerospace, ocean engineering, electronic information, equipment manufacturing, and other fields. However, the application of Cu–15Ni–8Sn alloy is challenged and limited because of a series of problems in its preparation and processing, such as easy segregation, difficult deformation, and discontinuous precipitation. It is an effective way to improve the comprehensive properties of Cu–15Ni–8Sn alloy using alloying design and process optimization to control the as-cast, deformed, and heat-treated microstructures. At present, it is a hot spot for scholars to study. In this paper, the grade generation, system evolution, and preparation technology development of Cu–15Ni–8Sn alloy are comprehensively reviewed. The phase transformation sequence of the Cu–15Ni–8Sn alloy is discussed. The influence of the type, amount, and existing form of alloying elements on the strength of Cu–15Ni–8Sn alloy and its mechanism are systematically summarized. Furthermore, the latest research progress on the effects of solid solution, cold deformation, and aging on the phase structure transformation and mechanical properties of Cu–15Ni–8Sn alloy is summarized. Finally, the future development trend of the Cu–15Ni–8Sn alloy is projected. The research results of this paper can provide a reference for the control of the microstructure and properties of high-performance Cu–15Ni–8Sn alloys used in key fields, as well as the optimization of the preparation process and alloy composition.

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Section: Rapid Solidification Technologymentioning

confidence: 99%

“…Hermann P. et al [23] obtained the Cu-15Ni-8Sn alloy by Osprey spray and found that Sn element segregation was inhibited and presented isoaxial crystals. However, rapid solidification technology is generally only suitable for making plates and strips with small cross-sectional dimensions [19].…”

Section: Rapid Solidification Technologymentioning

confidence: 99%

Research Progress on Cu–15Ni–8Sn Alloys: The Effect of Microalloying and Heat Treatment on Microstructure and Properties

Yang,

Song,

Zhou

et al. 2023

Materials

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“…3,4 As a substitute material for beryllium bronze, this alloy has potential application prospects in various fields, including aerospace, electronic information, heavy-duty equipment and ocean engineering. 5,6 However, due to the high Sn content and wide solidification area of the Cu-15Ni-8Sn alloy, it is difficult to control the compositional consistency and microstructural uniformity in the casting process, which affects the subsequent deformation and comprehensive property improvement. 7,8 Microalloying is an effective method for controlling the composition distribution, microstructure characteristics and comprehensive properties of Cu-15Ni-8Sn alloys.…”

Section: Introductionmentioning

confidence: 99%

Interaction mechanism of elements and second phase characteristics in as-cast Cu–15Ni–8Sn–(1Al–0.1Y) alloy

Yang,

Zhou,

Zhang

et al. 2024

Materials Science and Technology

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In this article, the effects of Al and Y elements on the microstructure and mechanical properties of Cu–15Ni–8Sn alloy were studied. The interaction mechanism between elements is proved by first-principles calculation. The results show that the strength of Cu–15Ni–8Sn–1Al–0.1Y alloy reaches 760 MPa, and the hardness of matrix (α-Cu) and Sn-rich phase (γ) are 292.43 and 341.65 HV, respectively, which are 23.78%, 97.80% and 65.21% higher than those of Cu–15Ni–8Sn alloy, respectively. The formation of a large number of dispersed nano-scale Ni3Al second phase is the main reason for the great improvement of the strength of the alloy. In addition, the solid solution of Al and the formation of the Ni17Y2 phase improve the hardness of the Sn-rich phase.

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“…Later industrial applications include food cans or a vast majority of electrical-engineering products containing Pb-Sn solders. While recently banned in favor of lead-free solders [2], the Pb-Sn alloys are still important not only when studying historic artefacts or handling millions of tons of electrical-engineering waste, but also when developing new Sn-alloys [3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Structure–Property Relations in Pb-Supersaturated Metastable Sn-Rich Pb-Sn Alloys

Friák,

Čípek,

Pavlů

et al. 2024

Metall Mater Trans A

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We have performed a theoretical study of three different allotropes of Pb-supersaturated Sn-rich Pb-Sn alloys with the α-Sn, β-Sn and a simple hexagonal γ-Sn structure employing quantum-mechanical calculations. Structure-property relations were analyzed in the case of the lattice parameters, thermodynamic stability, elastic properties and mechanical stability as well as electronic-structure density of states. Compositional trends in structural, thermodynamic and electronic-structure properties were found nearly linear. Our theoretical study sheds new light on a decades-long controversy related to the γ-phase of supersaturated Sn-rich Pb-Sn alloys. We suggest that the experimental difficulties to synthesized the γ-phase solid solutions are due to the high formation energy of this phase.

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Focused Review on Cu–Ni–Sn Spinodal Alloys: From Casting to Additive Manufacturing

Cited by 13 publications

References 122 publications

Research Progress on Cu–15Ni–8Sn Alloys: The Effect of Microalloying and Heat Treatment on Microstructure and Properties

Research Progress on Cu–15Ni–8Sn Alloys: The Effect of Microalloying and Heat Treatment on Microstructure and Properties

Interaction mechanism of elements and second phase characteristics in as-cast Cu–15Ni–8Sn–(1Al–0.1Y) alloy

Structure–Property Relations in Pb-Supersaturated Metastable Sn-Rich Pb-Sn Alloys

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