Mechanical properties and microstructural evolution of a Cu–Cr–Ag alloy during thermomechanical treatment

Yuan, Dawei; Wang, Junfeng; Chen, Huiming; Xie, Wei; Wang, Hang; Yang, Bin

doi:10.1080/02670836.2018.1459094

Cited by 13 publications

(8 citation statements)

References 31 publications

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“…Among them, some non-Zr elements, such as Mg [ 10 ], Ag [ 11 ], Ti [ 12 , 13 ], and Y [ 14 , 15 ], can also be used to control the microstructure and improve the properties of the Cu-Cr alloy. Mg addition can inhibit the coarsening of the precipitated phase by enrichment at the interface of Cr precipitates through Mg atoms, which can enhance the mechanical properties and softening resistance of the alloy [ 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Sn Addition on Microstructure, Aging Properties and Softening Resistance of Cu-Cr Alloy

Zhu

Peng³

et al. 2022

Materials

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The relationship between microstructure evolution and properties of a Cu-Cr-Sn alloy during aging and high-temperature softening was investigated in detail in the present work. The results show that the addition of Sn refines obviously the size of the Cr phase and enhances the thermal stability of the alloy, which improves the peak-aged hardness of the Cu-Cr-Sn alloy reaching 139 HV after aging at 450 °C for 240 min. In addition, the recrystallization behavior of the Cu-Cr alloy with the 0.12 wt.% of Sn at high temperature is also significantly inhibited. Lots of precipitated Cr phases and a high density of dislocations are found in the Cu-Cr-Sn alloy annealed at high temperature, resulting in the softening temperature of the Cu-Cr-Sn alloy reaching 565 °C, which is higher than (about 50 °C) that of the Cu-Cr alloy.

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Section: Introductionmentioning

confidence: 99%

Effect of Sn Addition on Microstructure, Aging Properties and Softening Resistance of Cu-Cr Alloy

Zhu

Peng³

et al. 2022

Materials

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“…Furthermore, several studies have developed Ti-6Al-4Vbased materials to be applied as orthopedic implants. Some studies analyzed the corrosion behavior of Ti-6Al-4V [9]- [53], thermomechanical processes on Al-Cu-Li alloy [54], Cu-Cr-Ag alloy [55], polycrystalline magnesium [56], and Zircaloy-4 Tubes of Mock-Up Dissolver Vessel [57], thermomechanical treatment of titanium alloy type β TNTZ by combining solution heat treatment, aging treatment, and mechanical treatment by cold rolling process [58]. Some researchers have studied a thermomechanical treatment done on titanium alloys (α+β) Ti-6Al-4V and Ti-6Al-2Mo-2Cr by combining solution heat treatment, aging treatment, and mechanical treatment with the forging process.…”

Section: Introductionmentioning

confidence: 99%

Effect of Thermomechanical Treatment on Mechanical Properties and Microstructure of Titanium Alloy Ti-6AL-4V ELI for Orthopedic Applications

Anderson¹,

Erit²,

Affi³

et al. 2021

International Journal on Advanced Science, Engineering and Information Technology

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Traffic accidents and osteoporosis significantly contribute to the incidence of fractures in Indonesia, increasing the need for orthopedic implant materials, such as titanium alloy Ti-6Al-4V ELI, which has good biocompatibility and availability in the market. However, its strength needs to be increased through thermomechanical treatment to maintain its durability. In this study, such treatment was applied with a combination of solution heat treatment at 950°C and a 1-hour holding time, followed by, subsequently, rapid cooling using water quenching, plastic deformation with deformation variations of 10%, 20%, and 30%, and aging treatment at a temperature of 550°C and holding time for 1.5 hours. The material surface microstructure was observed using an Olympus GX71 optical microscope; the chemical composition was measured using Electron dispersive X-ray, and; the hardness was measured using a Vickers microhardness tester. All data obtained were then analyzed to determine the effect of thermomechanical treatment on the increase and changes in the tested material's hardness and microstructure, respectively. The results showed that thermomechanical treatment could increase the hardness of Ti-6Al-4V ELI, as expressed by the equation HVN = 135ε + 381.5, with a correlation coefficient of 0.991. Hence, it could be concluded that thermomechanical treatment can increase the hardness of Ti-6Al-4V ELI and, finally, change its microstructure, indicating an increase in the α phase. Therefore, Ti-6Al-4V ELI treated with thermomechanical treatment can be an alternate material in orthopedic implant applications.

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“…There are normally two ways to improve the alloy performance-optimization of heat treatment and addition of alloying elements [9][10][11][12]. For the Cu-Cr based alloys, common alloying elements include Zr [1,13,14], Ag [14][15][16], Mg [6,7,13], and Ti [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Solidification microstructure of Cu–Cr and Cu–Cr-In alloys

Zhu¹,

Liao²,

Chen³

et al. 2020

Mater. Res. Express

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Solidification microstructure of Cu-Cr and Cu-Cr-In alloys has been characterized using scanning electron microscopy in the present work. Thermodynamic database has been established for the Cu-Cr binary system and Cu-Cr-In ternary system. Solidification behaviors of the two alloys have been simulated using the thermodynamic parameters based on Scheil model. The results show that the primary Cr phases with long and thin dendrites can be observed between Cu matrix grains for the Cu-Cr alloy, and the 'flower-like' coarsen dendrites primary Cr phases of the Cu-Cr-In alloy exist in the triangular grain boundary areas. The weight percent of indium element in the liquid phase of the Cu-Cr-In alloy during solidification continuously increases up. This will enlarge the solidification temperature range from 6°C to 214°C resulting in longer time for the dendrite growth and the alloying element indium with low melting point tends to segregate to the grain boundary region.

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Mechanical properties and microstructural evolution of a Cu–Cr–Ag alloy during thermomechanical treatment

Cited by 13 publications

References 31 publications

Effect of Sn Addition on Microstructure, Aging Properties and Softening Resistance of Cu-Cr Alloy

Effect of Sn Addition on Microstructure, Aging Properties and Softening Resistance of Cu-Cr Alloy

Effect of Thermomechanical Treatment on Mechanical Properties and Microstructure of Titanium Alloy Ti-6AL-4V ELI for Orthopedic Applications

Solidification microstructure of Cu–Cr and Cu–Cr-In alloys

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