4.6 Article

Deformation mechanisms of nanocrystalline alpha titanium in Ti-6Al-4V

Journal

MATERIALS LETTERS
Volume 185, Issue -, Pages 488-490

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.09.077

Keywords

Metals and alloys; Microstructure; Nanocrystalline; Hexagonal close-packed; High-resolution electron microscopy

Funding

  1. National Natural Science Foundation of China [51475375]
  2. State Key Laboratory of Solidification Processing in NWPU [KP201305]

Ask authors/readers for more resources

The deformation mechanisms of alpha titanium with the hexagonal close-packed structure in Ti-6Al-4V subjected to severe plastic deformation were investigated. The fine-structure characteristics of alpha titanium with different nanocrystalline sizes were observed and analyzed via high-resolution transmission electron microscopy. The experimental results suggested that dislocation slip was the dominant deformation mechanism and the pyramidal < c+a >-type dislocation slip was liberally activated as the nanocrystalline size was larger than 15 nm. Meanwhile, twinning on {1 (1) over bar 01} plane contributed much less to the deformation. As the nanocrystalline size decreased to be smaller than 15 nm, grain boundary sliding would accommodate the deformation.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.6
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Article Engineering, Manufacturing

A novel method to 3D-print fine-grained AlSi10Mg alloy with isotropic properties via inoculation with LaB6 nanoparticles

Qiyang Tan, Jingqi Zhang, Ning Mo, Zhiqi Fan, Yu Yin, Michael Bermingham, Yingang Liu, Han Huang, Ming-Xing Zhang

ADDITIVE MANUFACTURING (2020)

Article Nanoscience & Nanotechnology

Achieving high ductility in a selectively laser melted commercial pure-titanium via in-situ grain refinement

Jingqi Zhang, Yingang Liu, Mohamad Bayat, Qiyang Tan, Yu Yin, Zhiqi Fan, Shiyang Liu, Jesper Henri Hattel, Matthew Dargusch, Ming-Xing Zhang

Summary: This study demonstrates that in-situ grain refinement of CP-Ti can be achieved through controlling SLM parameters, with higher input energy density favoring grain refinement. Detailed microstructural characterization and multi-physics simulation were conducted to reveal the grain refinement mechanism. The refined CP-Ti showed high ductility without notable mechanical anisotropy, attributed to the intrinsic heat treatment effect resulting from the cyclic reheating in the SLM process.

SCRIPTA MATERIALIA (2021)

Article Chemistry, Physical

Further refinement mechanisms of nanograins in nanocrystalline surface layer of TC17 subjected to severe plastic deformation

C. Yang, M. Q. Li, Y. G. Liu

Summary: The further refinement mechanisms of nanograins in the surface layer of TC17 subjected to severe plastic deformation via high energy shot peening were investigated in detail, revealing the abnormal face-centered cubic titanium (fcc-Ti) in nanoscale, the contribution of deformation twinning and dislocation motions, and the dominant role of extrinsic stacking faults in inducing twins in the abnormal nano fcc-Ti.

APPLIED SURFACE SCIENCE (2021)

Article Chemistry, Physical

Severe plastic deformation induced precipitation of the ordered α2-Ti3Al phase in Ti-5Al-2Sn-2Zr-4Mo-4Cr

C. Yang, M. Q. Li, Y. G. Liu

Summary: By subjecting the typical two-phase titanium alloy of Ti-5Al-2Sn-2Zr-4Mo-4Cr to high energy shot peening at room temperature, ellipsoid-shaped precipitates of ordered alpha(2)-Ti3Al phase were formed in the surface layer. The formation of these precipitates was attributed to the SPD-induced atomic diffusion behaviors at room temperature.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Article Optics

Mechanical performance of simple cubic architected titanium alloys fabricated via selective laser melting

Yingang Liu, Jingqi Zhang, Qiyang Tan, Yu Yin, Miaoquan Li, Ming-Xing Zhang

Summary: The addition of Mo to Ti-6Al-4V alloy can effectively increase the content of beta phase, suppress the formation of martensite, and improve the fracture ductility and energy absorption capacity of the alloy.

OPTICS AND LASER TECHNOLOGY (2021)

Article Nanoscience & Nanotechnology

A novel strategy to additively manufacture 7075 aluminium alloy with selective laser melting

Qiyang Tan, Zhiqi Fan, Xiaoqin Tang, Yu Yin, Gan Li, Danni Huang, Jingqi Zhang, Yingang Liu, Feng Wang, Tao Wu, Xianliang Yang, Han Huang, Qiang Zhu, Ming-Xing Zhang

Summary: The study proposed a novel strategy combining substrate modification and inoculation treatment to successfully fabricate crack-free and dense high-strength 7075 alloy using SLM. This strategy can be implemented for SLM of other engineering alloys, providing a foundation for broadening industrial applications of SLM.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2021)

Article Materials Science, Multidisciplinary

Additive manufacturing of high strength copper alloy with heterogeneous grain structure through laser powder bed fusion

Yingang Liu, Jingqi Zhang, Qiyang Tan, Yu Yin, Shiyang Liu, Meng Li, Miaoquan Li, Qiong Liu, Ying Zhou, Tao Wu, Feng Wang, Ming-Xing Zhang

Summary: The high-strength Cu-Co alloys were fabricated using laser powder bed fusion (L-PBF) additive manufacturing, where the addition of cobalt submicron particles led to remarkable grain refinement through heterogeneous nucleation. The Cu-Co alloys demonstrated a combination of high strength and ductility, with tensile strength reaching up to 491.1 +/- 12.6 MPa after post L-PBF heat treatment, without sacrificing ductility.

ACTA MATERIALIA (2021)

Article Materials Science, Multidisciplinary

Heterogeneous lamella design to tune the mechanical behaviour of a new cost-effective compositionally complicated alloy

Yu Yin, Qiyang Tan, Qiang Sun, Wangrui Ren, Jingqi Zhang, Shiyang Liu, Yingang Liu, Michael Bermingham, Houwen Chen, Ming-Xing Zhang

Summary: The mechanical properties of a new cost-effective alloy were manipulated using a heterogeneous lamella design strategy. The design, involving composition and thermomechanical process, led to enhanced performance, with high yield strength and good ductility in comparison with other cost-effective alloys. This approach opens up new possibilities for the development of high-performance and cost-effective alloys.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2022)

Article Engineering, Manufacturing

The significant impact of grain refiner on γ-TiAl intermetallic fabricated by laser-based additive manufacturing

Danni Huang, Qiyang Tan, Yinghao Zhou, Yu Yin, Feng Wang, Tao Wu, Xianliang Yang, Zhiqi Fan, Yingang Liu, Jingqi Zhang, Han Huang, Ming Yan, Ming-Xing Zhang

Summary: LaB6 nanoparticles were identified as an effective inoculant for LAMed gamma-TiAl alloy, leading to significantly reduced grain size and transformed microstructural morphology. The inoculation treatment not only resulted in crack-free alloy fabrication but also increased compressive yield strength, ultimate strength, and strain to fracture, showing comparable or even better performance than conventionally processed gamma-TiAl alloys.

ADDITIVE MANUFACTURING (2021)

Article Materials Science, Multidisciplinary

Characterization of face-centered cubic structure and deformation mechanisms in high energy shot peening process of TC17

C. Yang, M. Q. Li, Y. G. Liu

Summary: The role and behavior of stress-induced fcc-Ti in TC17 were investigated using HRTEM, revealing its importance in promoting surface nanocrystallization. Mechanisms such as deformation twinning and Shockley partial dislocation gliding were found to be key in the deformation of fcc-Ti in TC17.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2022)

Article Multidisciplinary Sciences

Designing against phase and property heterogeneities in additively manufactured titanium alloys

Jingqi Zhang, Yingang Liu, Gang Sha, Shenbao Jin, Ziyong Hou, Mohamad Bayat, Nan Yang, Qiyang Tan, Yu Yin, Shiyang Liu, Jesper Henri Hattel, Matthew Dargusch, Xiaoxu Huang, Ming-Xing Zhang

Summary: This study develops a new titanium alloy with uniform mechanical properties through rational alloy design, addressing the spatially dependent microstructures and mechanical properties of additively manufactured titanium alloys.

NATURE COMMUNICATIONS (2022)

Article Engineering, Manufacturing

Enhancing specific energy absorption of additively manufactured titanium lattice structures through simultaneous manipulation of architecture and constituent material

Jingqi Zhang, Yingang Liu, Behzad Bahrami Babamiri, Ying Zhou, Matthew Dargusch, Kavan Hazeli, Ming-Xing Zhang

Summary: In this study, a series of titanium gyroid lattice structures were designed and additively manufactured by laser powder bed fusion (L-PBF) to enhance specific energy absorption. Experimental results showed that tailoring the sheet thickness gradient and adding MgO nanoparticles enabled continuous hardening behavior and high strength, resulting in approximately 63% improvement in specific energy absorption for the uniform gyroid lattice structure. Finite element analysis based on a modified volumetric hardening model provided insights into the underlying mechanism governing continuous hardening behavior. This study demonstrates the potential of architecture engineering and material design in creating high-performance lightweight lattice structures using L-PBF.

ADDITIVE MANUFACTURING (2022)

Article Materials Science, Multidisciplinary

Laser powder bed fusion of copper matrix iron particle reinforced nanocomposite with high strength and high conductivity

Yingang Liu, Jingqi Zhang, Qiang Sun, Meng Li, Ming Yan, Xing Cheng, Miaoquan Li, Ming-Xing Zhang

Summary: This study successfully addresses the long-standing challenge of liquid-liquid phase separation and solute segregation during conventional solidification by employing laser powder bed fusion (L-PBF) for in-situ alloying of Cu-8 wt.% Fe. The resulting Cu-Fe nanocomposite exhibits a homogeneous microstructure, fine grains, and impressive mechanical and electrical properties.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2023)

Article Nanoscience & Nanotechnology

Uncovering the roles of LaB 6-nanoparticle inoculant in the AlSi10Mg alloy fabricated via selective laser melting

Qiyang Tan, Yu Yin, Zhiqi Fan, Jingqi Zhang, Yingang Liu, Ming-Xing Zhang

Summary: In this study, it was found that adding 0.2-0.5 wt% LaB6 nanoparticles to the selective laser melted AlSi10Mg alloy can significantly refine grain size and homogenize the microstructure, thereby improving the mechanical properties of the alloy. However, increasing the LaB6 addition to 2 wt% did not further refine the grains, but instead weakened the ductility of the alloy.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2021)

Article Materials Science, Multidisciplinary

Effect of cooling rate on microstructure and mechanical properties of a low-carbon low-alloy steel

Guofang Liang, Qiyang Tan, Yingang Liu, Tao Wu, Xianliang Yang, Zhiqiang Tian, Andrej Atrens, Ming-Xing Zhang

Summary: The study examined the microstructure of a widely used A517GrQ low-carbon low-alloy steel after different heat treatments using advanced electron backscatter diffraction (EBSD) technique. It was found that controlling the cooling rate after austenitization is critical for achieving high strength and toughness simultaneously.

JOURNAL OF MATERIALS SCIENCE (2021)

Article Materials Science, Multidisciplinary

F-doped Co3O4 with Pt-like activity and excellent stability for hydrogen evolution reaction in alkaline media

Deyong Zheng, Huihui Jin, Yucong Liao, Pengxia Ji

Summary: In this study, a highly stable and efficient catalyst, fluorine-doped Co3O4 (F-Co3O4), was developed for hydrogen production by water electrolysis. The F-Co3O4 catalyst exhibited a remarkable reduction in overpotential and demonstrated excellent stability for over 100 hours.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Effect of the addition of Cu6Sn5 nanoparticles on the growth of intermetallic compounds at the interfaces of Sn3.0Ag0.5Cu solder joints

Ziwen Lv, Jintao Wang, Fengyi Wang, Jianqiang Wang, Fuquan Li, Hongtao Chen

Summary: Adding Cu6Sn5 nano particles can effectively inhibit the overgrowth of intermetallic compounds at the interfaces of solder joints in electronic devices, providing a solution to this issue. A new growth mechanism of intermetallic compounds at the interfaces was identified.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

BiOI/AgI/Ag plasmonic heterostructure for efficient photoelectrochemical water splitting

Jun Wang, Jiawei Chen, Wanru Liao, Fangyang Liu, Min Liu, Liangxing Jiang

Summary: A BiOI/AgI/Ag plasmonic heterostructure photocathode was successfully designed through electrodeposition, ion-exchange, and illumination methods. This photocathode exhibits superior performance in photoelectrochemical water splitting.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Ni@O-doped carbon Mott-Schottky heterojunctions to enhance sulfur conversion kinetics

Xiaoxiao Liu, Xianxian Zhou, Xiaotao Ma, Qinbo Yuan, Shibin Liu

Summary: In this study, the authors propose a method to accelerate the reaction of polysulfides in lithium-sulfur batteries using a Ni@OC Mott-Schottky heterojunction as a catalyst. The experimental results demonstrate that the charge redistribution at the Ni@OC interface accelerates electron transfer and enhances catalytic activity, leading to improved reaction kinetics and battery performance.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Effect of fixture boundary conditions for low-velocity impact: A focus on composites with different matrix and fibers

Dayou Ma, Mohammad Rezasefat, Joziel Aparecido da Cruz, Sandro Campos Amico, Marco Giglio, Andrea Manes

Summary: The matrix has a significant effect on the impact resistance of composite materials. Replacing a brittle polymer with a more flexible one can improve impact resistance, but it poses challenges to standard testing methods. This study designs a new fixture for testing the low-velocity impact of soft composites and investigates the effect of the fixture on the mechanical performance.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Synergistic effect of defects and heterostructures endowing bronze titanium dioxide with superior lithium storage performances

Lingchang Wang, Qihang Yang, Huzhen Li, Ming Wei, Qian Wang, Zhenzhong Hu, Mengmeng Zhen

Summary: Bronze titanium dioxide (TiO2(B)) is a promising anode material for lithium-ion batteries due to its high specific capacity. However, its practical applications are hindered by poor conductivity and limited electrochemical kinetics. In this study, TiO2(B)-carbon nanosheets heterostructures are synthesized to enhance the cycling performance and rate capability of TiO2(B).

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Sustained electromagnetic parameters of barium ferrite and epoxy nanocomposites for patch antenna miniaturization over GHz frequency range

Atul Thakur, Ritesh Verma, Ankush Chauhan, Fayu Wan, Preeti Thakur

Summary: In this study, BaFe12O19 and BaFe12O19: Epoxy (50:50) nanocomposites were synthesized using the co-precipitation method. The structural information and material properties, such as crystallite size and electrical conductivity, were characterized by XRD, FESEM, EDX, and TEM techniques.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

In-situ construction of CoS2@NC hierarchical binder-free cathode for advanced Li-CO2 batteries

Jingyu Wu, Xinyan Ma, Yong Yang

Summary: A well-defined CoS2@NC(CS-500) hierarchical binder-free catalyst cathode is constructed through in-situ grown of ZIF-67 on carbon cloth and high-temperature carbonization. The cathode shows excellent reaction kinetics and electrochemical performance, providing inspiration for developing advanced Li-CO2 battery catalysts.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

K5Eu1-xHox(MoO4)4: Structures and luminescence properties

Svetlana M. Posokhova, Vladimir A. Morozov, Kirill N. Boldyrev, Dina Deyneko, Erzhena T. Pavlova, Bogdan I. Lazoryak

Summary: This study explores the impact of synthesis method and composition on the structure and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type matrix. The co-doping of Eu3+ and Ho3+ ions plays a critical role in manipulating charge transfer and luminescence efficiency in the visible and infrared regions.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Benzonitrile/pyridylbenzoimidazole hybrid electron-transport material for efficient phosphorescence and TADF OLEDs

Jian Wang, Yeting Tao, Jingsheng Wang, Youtian Tao

Summary: A new electron-transport material iTPyBI-CN is developed through non-catalytic C-N coupling reaction. It exhibits better electroluminescence efficiency in organic light-emitting diodes compared to the commercial material TPBI, due to its twisted geometry and higher energy levels.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Microscopic characteristics and thermodynamic property changes in limestone under high-temperature treatment

Tao Zhu, Feng Huang, Shuo Li, Yang Zhou

Summary: This article combines XRD analysis and microscopic structural observation to investigate the changes in limestone after high-temperature treatment. It finds that 500 degrees C is the critical temperature for crystalline and spatial arrangement changes in limestone, and the thermal conductivity, specific heat capacity, and heat storage coefficient gradually decrease after thermal treatment.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Novel synthesis of ZnO nanostructure from galvanization waste for antibacterial application

Muhammad Haekal Habibie, Fransiska Sri Herwahyu Krismastuti, Abdi Wira Septama, Faiza Maryani, Vivi Fauzia

Summary: This study focuses on the synthesis of zinc oxide nanostructure from zinc recovered from galvanization ash and highlights its potential as a sustainable source of zinc and as an antibacterial agent.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Biomimetic mineralization engineered phycocyanin with improved stability and antioxidantive activity under environmental stress

Jingyi Li, Yixin Xing, Wei Gu, Shousi Lu

Summary: In this study, PC@CaP microparticles were fabricated using biomimetic mineralization. The results showed that under environmental stress, PC@CaP exhibited improved stability and antioxidative activity, indicating its potential use in high-added value fields.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

ZIF-8 nanoparticles combined with fibroin protein co-modified TiO2 nanotube arrays to construct a drug sustained-release platform

Yan Liu, Shunyou Chen

Summary: In this study, TNTs were used as a drug carrier and modified with ZIF-8 and silk fibroin to obtain a new drug loading platform. The results showed that this drug-loaded platform had a good drug release effect in vitro and could promote cell proliferation and osteogenic differentiation.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Observation of stacking faults in ε-phase InSe crystal

Chunhui Zhu, Wentao Wang, Qing Zhen, Xinning Huang, Shixin Li, Shaochang Wang, Xiaoping Ma, Xiaoxia Liu, Yalong Jiao, Kai Sun, Zhuangzhi Li, Huaixin Yang, Jianqi Li

Summary: A type of stacking fault is revealed in e-InSe crystal, which is associated with a small stacking-fault energy and shows exceptional plasticity.

MATERIALS LETTERS (2024)