Effects of different annealing cooling methods on the microstructure and properties of TA10 titanium alloys

Zhi-bin, Huang; Xiao, Han; Yu, Jiaxin; Zhang, Hongyu; Huang, Haiguang; Yu, Kun; Zhou, Rongfeng

doi:10.1016/j.jmrt.2022.04.149

Cited by 25 publications

(7 citation statements)

References 35 publications

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“…Furthermore, as the holding time extends, the activation energy required for grain growth exhibits an increasing trend. This phenomenon is vividly illustrated in Figure 19 [96], which compares the microstructural transformation of TA10 alloys under different heat treatment regimes. The micrographs show that the recrystallization drive increases with annealing time.…”

Section: Surface Annealingmentioning

confidence: 90%

“…Coatings 2024, 14, x FOR PEER REVIEW 21 of 42 time will lead to the consumption of small grains by large grains. The β-phase dispersed between α-phases gradually decreases, while the volume fraction of the α-phase shows an increasing tendency [96]. This transition leads to a morphological change from an equiaxed to a Weissian organization.…”

Section: Surface Annealingmentioning

confidence: 95%

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Overview of Surface Modification Techniques for Titanium Alloys in Modern Material Science: A Comprehensive Analysis

Gao,

Zhang,

et al. 2024

Coatings

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Titanium alloys are acclaimed for their remarkable biocompatibility, high specific strength, excellent corrosion resistance, and stable performance in high and low temperatures. These characteristics render them invaluable in a multitude of sectors, including biomedicine, shipbuilding, aerospace, and daily life. According to the different phases, the alloys can be broadly categorized into α-titanium and β-titanium, and these alloys demonstrate unique properties shaped by their respective phases. The hexagonal close-packed structure of α-titanium alloys is notably associated with superior high-temperature creep resistance but limited plasticity. Conversely, the body-centered cubic structure of β-titanium alloys contributes to enhanced slip and greater plasticity. To optimize these alloys for specific industrial applications, alloy strengthening is often necessary to meet diverse environmental and operational demands. The impact of various processing techniques on the microstructure and metal characteristics of titanium alloys is reviewed and discussed in this research. This article systematically analyzes the effects of machining, shot peening, and surface heat treatment methods, including surface quenching, carburizing, and nitriding, on the structure and characteristics of titanium alloys. This research is arranged and categorized into three categories based on the methods of processing and treatment: general heat treatment, thermochemical treatment, and machining. The results of a large number of studies show that surface treatment can significantly improve the hardness and friction mechanical properties of titanium alloys. At present, a single treatment method is often insufficient. Therefore, composite treatment methods combining multiple treatment techniques are expected to be more widely used in the future. The authors provide an overview of titanium alloy modification methods in recent years with the aim of assisting and promoting further research in the very important and promising direction of multi-technology composite treatment.

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Section: Surface Annealingmentioning

confidence: 90%

Section: Surface Annealingmentioning

confidence: 95%

Overview of Surface Modification Techniques for Titanium Alloys in Modern Material Science: A Comprehensive Analysis

Gao,

Zhang,

et al. 2024

Coatings

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“…As the processing temperature increased, the volume fraction of the primary α-phase decreased from 68.1% to 52.3%. This was due to the fact that, during the isothermal stage of the plane compression in the dual-phase region, the primary αphase underwent a phase transition toward the β phase, thus resulting in varying degrees of dissolution [29]. Since the initial plate had undergone multiple rolling processes, the original microstructure contained equiaxed and elongated morphologies of the primary α-phase, which was caused by the rolling procession and the α s lamellar presenting a short rod shape (Figure 3a).…”

Section: Microstructure Characterizationmentioning

confidence: 99%

Mechanism of Crystallographic Orientation and Texture Evolution of Ti60 Alloy during Plane Strain Compression

Dai,

Xiao,

Zeng

et al. 2024

Metals

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The crystallographic orientation and texture evolution mechanism of equiaxed Ti60 alloy plates were investigated in this study through plane strain compression tests. The EBSD analysis revealed that the received plate contained two characteristic textures that were perpendicular to each other, i.e., c-axis//TD (Component 1) and c-axis//RD (Component 2), with the latter being caused by the change in direction of the TD texture that was generated during the previous unidirectional rolling process into an RD direction in the cross-rolling process. The results demonstrated that, with increasing the deformation temperature from 930 °C to 960 °C and 990 °C, the intensity of the c-axis//TD texture (Component 1) initially rose to a peak value of 5.07, which then—subsequently—decreased significantly to 2.96 at 960 °C and 3.11 at 990 °C. Conversely, the intensity of the c-axis//RD texture (Component 2) remained relatively unchanged. These texture changes were correlated with slip system activity and the spheroidization of the primary alpha phase. For the c-axis//TD texture, the initial intensity of the texture components during compression at lower temperatures could be attributed to the incomplete dynamic spheroidization process of the α phase, which leads to the reinforcement of the c-axis//TD due to prismatic slip. As the deformation temperature increased, the dynamic spheroidization process became more prominent, thereby leading to a significant reduction in the intensity of the c-axis//TD texture. In contrast, the c-axis//RD texture exhibited difficulty in activating the prismatic slip and basal slip; in addition, it also encountered resistance to dynamic spheroidization, thus resulting in negligible changes in the texture intensity.

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“…Therefore, alloying with a trace amount of elements such as Pd, Ni, or Mo can strengthen pure titanium and also enhance its corrosion resistance. Therefore, Ti-0.05Pd and Ti-0.3Mo-0.8Ni alloy systems were developed for higher strength and corrosion resistance [7,8]. In addition, Ti-3Al-2.5V and Ti-6Al-4V alloys were also used in offshore applications [9] because of their high strength, typically a minimum yield strength of 485 MPa and 760 MPa, respectively.…”

Section: Introductionmentioning

confidence: 99%

Effect of annealing temperature on microstructures and mechanical properties of a hot-rolled Ti-6Al-4V-0.5Ni-0.5Nb alloy for offshore applications

Yao¹,

Yao

Qin³

et al. 2023

Mater. Res. Express

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Titanium alloys have been increasingly used for downhole tubulars and components for corrosive oil wells due to their combination of strength, density, and corrosion resistance. The present study investigated the effect of annealing temperature on microstructures and mechanical properties of a Ti-6Al-4V-0.5Ni-0.5Nb alloy developed for oil well application. The α/β- and β-rolled Ti-6Al-4V-0.5Ni-0.5Nb alloy plates were subjected to annealing at different temperatures ranging from 750 to 900 ℃ and hold for 1 h, and the microstructure and mechanical properties were evaluated. The experimental results show that the developed alloy exhibited both high strength and ductility than that of the conventional Ti-6Al-4V alloy. The α/β- and β-rolled alloy after annealing exhibited bimodal structures and provided well-balanced strength, ductility and impact toughness, high strength of 950−1000 MPa, elongation of 17%−18%, and impact toughness of 90−120 J/cm2. From mechanical viewpoint, the new alloy after appropriate annealing is suitable for oil well applications.

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Effects of different annealing cooling methods on the microstructure and properties of TA10 titanium alloys

Cited by 25 publications

References 35 publications

Overview of Surface Modification Techniques for Titanium Alloys in Modern Material Science: A Comprehensive Analysis

Overview of Surface Modification Techniques for Titanium Alloys in Modern Material Science: A Comprehensive Analysis

Mechanism of Crystallographic Orientation and Texture Evolution of Ti60 Alloy during Plane Strain Compression

Effect of annealing temperature on microstructures and mechanical properties of a hot-rolled Ti-6Al-4V-0.5Ni-0.5Nb alloy for offshore applications

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