Hui Zhang

University of Chinese Academy of Sciences

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Yong Tang

Shanghai Ocean University

Zheng‐Hang Lv

Institute of Geochemistry

Jiuhua Xu

University of Science and Technology Beijing

Xihui Cheng

Chinese Academy of Geological Sciences

Yin‐Hong Wang

China University of Geosciences (Beijing)

Chunjing Bian

University of Science and Technology Beijing

Yunlong Liu

Henan Polytechnic University

Jingyu Zhao

Nanjing Medical University

Jianping Zheng

China University of Geosciences

Abing Lin

State Key Laboratory of Continental Dynamics

Cooperative Institutions

Chinese Academy of Sciences

208

University of Chinese Academy of Sciences

118

China University of Geosciences (Beijing)

Ministry of Natural Resources

Peking University

University of Science and Technology of China

Zhejiang University

Shanghai Jiao Tong University

Tsinghua University

China University of Geosciences

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Overview of ambient noise tomography in earthquake prediction

Progress in geophysics (2017)

Longquan Zhou Jiang Jia-jia Liming Yang Yan Shan Feng Jian-gang

Ambient noise level

10.6038/pg20170111

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Citations (0)

Lamb waves topological imaging combining with Green’s function retrieval theory to detect near filed defects in isotropic plates*

Chinese Physics B (2019)

Hui Zhang Haiyan Zhang Meng-Yun Xu Guopeng Fan Wenfa Zhu

A method of combining Green’s function retrieval theory and ultrasonic array imaging using Lamb waves is presented to solve near filed defects in thin aluminum plates. The defects are close to the ultrasonic phased array and satisfy the near field calculation formula. Near field acoustic information of defects is obscured by the nonlinear effects of initial wave signal in a directly acquired response using the full matrix capture mode. A reconstructed full matrix of inter-element responses is produced from cross-correlation of directly received ultrasonic signals between sensor pairs. This new matrix eliminates the nonlinear interference and restores the near-field defect information. The topological imaging method that was developed in recent ultrasonic inspection is used for displaying the scatterers. The experiments are conducted on both thin aluminum plates containing two and four defects, respectively. The results show that these defects are clearly identified when using a reconstructed full matrix. The spatial resolution is equal to about one wavelength of the selectively excited mode and the identifiable defect is about one fifth of the wavelength. However, in a conventional directly captured image, the images of defects overlap together and cannot be distinguished. The proposed method reduces the background noise and allows for effective topological imaging of near field defects.

Lamb waves

SIGNAL (programming language)

Matrix (chemical analysis)

10.1088/1674-1056/28/7/074301

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Citations (8)

On the small angle twist sub-grain boundaries in Ti3AlC2

Scientific Reports (2016)

Hui Zhang Chao Zhang Tao Hu Xun Zhan Xiaohui Wang

Abstract Tilt-dominated grain boundaries have been investigated in depth in the deformation of MAX phases. In stark contrast, another important type of grain boundaries, twist grain boundaries, have long been overlooked. Here, we report on the observation of small angle twist sub-grain boundaries in a typical MAX phase Ti 3 AlC 2 compressed at 1200 °C, which comprise hexagonal screw dislocation networks formed by basal dislocation reactions. By first-principles investigations on atomic-scale deformation and general stacking fault energy landscapes, it is unequivocally demonstrated that the twist sub-grain boundaries are most likely located between Al and Ti4 f (Ti located at the 4 f Wyckoff sites of P 6 3 / mmc ) layers, with breaking of the weakly bonded Al–Ti4 f . The twist angle increases with the increase of deformation and is estimated to be around 0.5° for a deformation of 26%. This work may shed light on sub-grain boundaries of MAX phases and provide fundamental information for future atomic-scale simulations.

Stacking-fault energy

Atomic units

Grain boundary strengthening

Deformation mechanism

10.1038/srep23943

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Citations (10)

Documentation research and digital semantic reproduction of archaeological achievements-A Study of Six Steeds in the Zhaoling of the Tang Dynasty

Research Square (Research Square) (2023)

Minnan Cang Wei Zhou Hui Zhang

Abstract There are many cultural relics in China, but many immovable cultural relics have been damaged due to social changes, time erosion, rogue destruction and archaeological development. Although the cultural relics can be repaired, the cultural, social, political and other semantic factors left behind the cultural relics cannot be deeply interpreted. Therefore, this study aims to take the stone carvings of Zhaoling in the tenth year of Tang Zhenguan as an example, carry out digital scanning measurement and digital reproduction based on semantics, and integrate cultural factors such as literature into digital means, so that users can deeply interpret the context behind cultural relics. Digital measurement applies the combination of technology of laser scanning and digital photogrammetry. After obtaining the 3D data, by searching the literature and extracting the contextual elements related to matching, their structures were systematically analyzed. Through splitting and extraction, many elements are analyzed and digitally reproduced, and finally integrated through digital modelling. Through these methods, all the data and information are recorded, stored, and managed. Research shows that damaged immovable cultural relics can be reconstructed through digital technological means and cultural context, and then recorded, preserved and studied through digital, information and systematic ways.

10.21203/rs.3.rs-2445742/v1

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Citations (1)

Petrology, Geochronology and Geochemistry of Late Triassic Alkaline Rocks of the Bailinchuan District in Liaodong Peninsula, Northeast China

Minerals (2018)

Xihui Cheng Jiuhua Xu Wei Hao Fuquan Yang Hui Zhang

The Bailinchuan alkaline syenite (BAS) is located in the easternmost part of the Triassic alkaline magmatic belt along the northern North China Craton (NCC). Based on a detailed study of the zircon U–Pb age, petrological, and geochemical data of the complex, the characteristics of the magmas system, petrogenesis and the nature of mantle source provide new constraints on the origin and tectonic setting of the Triassic alkaline belt. The BAS is composed of alkaline syenite and/or aegirine-nepheline syenite, with zircon U–Pb age of 226–229 Ma. Aegirine, Na-rich augite, biotite, orthoclase, and nepheline are the major minerals. Most of the zircons selected for the analysis show fine-scale to weak oscillatory growth zoning in CL images, suggesting a magmatic origin. Mineralogy, petrology and geochemical studies show that the parental magma of the BAS is SiO2-undersaturated, potassic, and is characterized by high contents of CaO, Fe2O3, K2O, Na2O. The BAS originated from a phlogopite-rich, enriched lithospheric mantle source in a garnet-stable area. The occurrence of the BAS, together with many other alkaline complexes of similar ages (235–209 Ma) in the northern NCC during the Late Triassic implies that the lithospheric mantle beneath the northern NCC was previously metasomatized by melts/fluids. Bailinchuan Late Triassic syenites were formed in a post-collisional extensional setting, which provides time constraints on the major geodynamic setting at the northern NCC.

Nepheline syenite

Petrogenesis

Nepheline

Peralkaline rock

Aegirine

Geochronology

Supercontinent

Carbonatite

10.3390/min8110528

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Citations (6)

Engineering grain boundaries in monolayer molybdenum disulfide for efficient water-ion separation

Science (2025)

Jie Shen Areej Aljarb Yichen Cai Xing Liu Jiacheng Min

Two-dimensional (2D) materials have long been considered as ideal platforms for developing separation membranes. However, it is difficult to generate uniform subnanometer pores over large areas on 2D materials. We report that the well-defined eight-membered ring (8-MR) pores, typically formed at the boundaries of two antiparallel grains of monolayer molybdenum disulfide (MoS 2 ), can serve as molecular sieves for efficient water-ion separation. The density of grain boundaries and, consequently, the number of 8-MR pores can be tuned by regulating the grain size. Optimized MoS 2 membranes outperformed the state-of-the-art membranes in forward osmosis tests by demonstrating both ultrahigh water/sodium chloride selectivity and exceptional water permeance. Creating precise pore structures on atomically thin films through grain boundary engineering presents a promising route for producing membranes suitable for various applications.

Molybdenum disulfide

Permeance

Lamella (surface anatomy)

10.1126/science.ado7489

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Assessment of strong earthquake risk in the Chinese mainland from 2021 to 2030

Earthquake research advances (2022)

Zhigang Shao Yanqiang Wu Lingyun Ji Faqi Diao Fuqiang Shi

The long-term earthquake prediction from 2021 to 2030 is carried out by researching the active tectonic block boundary zones in the Chinese mainland. Based on the strong earthquake recurrence model, the cumulative probability of each target fault in the next 10 years is given by the recurrence period and elapsed time of each fault, which are adopted from relevant studies such as seismological geology, geodesy, and historical earthquake records. Based on the long-term predictions of large earthquakes throughout the world, this paper proposes a comprehensive judgment scheme based on the fault segments with the seismic gap, motion strongly locked, sparse small-moderate earthquakes, and apparent Coulomb stress increase. This paper presents a comprehensive analysis of the relative risk for strong earthquakes that may occur in the coming 10 years on the major faults in the active tectonic block boundary zones in the Chinese mainland. The present loading rate of each fault is first constrained by geodetic observations; the cumulative displacement of each fault is then estimated by the elapsed time since the most recent strong earthquake.

Mainland

10.1016/j.eqrea.2022.100177

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Citations (17)

Anisotropic electronic conduction in stacked two-dimensional titanium carbide

Scientific Reports (2015)

Tao Hu Hui Zhang Jiemin Wang Zhaojin Li Minmin Hu

Abstract Stacked two-dimensional titanium carbide is an emerging conductive material for electrochemical energy storage which requires an understanding of the intrinsic electronic conduction. Here we report the electronic conduction properties of stacked Ti 3 C 2 T 2 ( T = OH, O, F) with two distinct stacking sequences (Bernal and simple hexagonal). On the basis of first-principles calculations and energy band theory analysis, both stacking sequences give rise to metallic conduction with Ti 3 d electrons contributing most to the conduction. The conduction is also significantly anisotropic due to the fact that the effective masses of carriers including electrons and holes are remarkably direction-dependent. Such an anisotropic electronic conduction is evidenced by the I − V curves of an individual Ti 3 C 2 T 2 particulate, which demonstrates that the in-plane electrical conduction is at least one order of magnitude higher than that vertical to the basal plane.

Titanium carbide

10.1038/srep16329

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Citations (125)

Atomic Perspective on the Serpentine–Chlorite Solid-State Transformation

Chemistry of Materials (2021)

Hui Zhang Benjamin Gilbert Jillian F. Banfield

Serpentine minerals are important components of metamorphic rocks and promising geo-materials for nanotechnology. Lizardite, the most abundant serpentine mineral, can be transformed into chlorite during metamorphism. This intriguing phase transformation should affect the deformation behavior during aseismic creep and slow slip at the base of the subduction zone, but has not been understood structurally and chemically at the atomic scale. Here, we visualized cations and oxygen atoms using the state-of-the-art low-dose scanning transmission electron microscopy and found that restructuring mainly involves the synergistic migration of tetrahedral cations and oxygen anions, coupled with the migration of octahedral trivalent cations into the brucite-like interlayer. Further, we show that different serpentine polytypes result in distinct regular interstratifications of serpentine and chlorite. Our results clarify the long-standing puzzle of how solid-state layer silicate transformations occur and lead to long-period ordered structures.

Brucite

10.1021/acs.chemmater.1c00894

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Citations (3)

Relative Contribution of Frequency and Parameter Values to Selectivity for Interaural Correlation

電腦學刊 (2018)

Han Zhu Hui Zhang Song Wang Cong Zhang

Frequency selectivity

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