Xiaolu Pang

University of Science and Technology Beijing

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Kewei Gao

University of Science and Technology Beijing

137

Alex A. Volinsky

University of South Florida

Huisheng Yang

University of Science and Technology Beijing

Lijie Qiao

Pingdingshan University

Luchun Yan

Shanxi Provincial Traffic Planning Survey and Design Institute

Tao Guo

University of Science and Technology Beijing

Rongjian Shi

University of Science and Technology Beijing

Xigui Sun

Shandong Jianzhu University

Wei Liang

Ningbo University Affiliated Hospital

Qiufa Xu

China Academy of Launch Vehicle Technology

Cooperative Institutions

University of Science and Technology Beijing

124

Chinese Academy of Sciences

Tianjin University

University of Chinese Academy of Sciences

Guangzhou Medical University

Second Affiliated Hospital of Guangzhou Medical University

Peking University

Hainan University

Xi'an Jiaotong University

Jilin University

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<i>In-Situ</i> Observation of Cooperative Grain Boundary Sliding and Migration in the Nano-Twinned Nanocrystalline-Au Thin-Films

SSRN Electronic Journal (2019)

Qizhen Li Lihua Wang Jiao Teng Xiaolu Pang Xiaodong Han

Using our homemade tensile device inside a transmission electron microscope, we in-situ investigated the deformation behaviours of the nano-twinned nanocrystalline Au thin-films with thickness of ~ 15 nm and average grain size of ~ 16 nm. Our extensive in-situ observation studies reveal that the deformation of the nano-twinned nanocrystalline Au thin-films was dominated by the cooperative grain boundary sliding and migration, which were rarely observed in the previous reports. Meanwhile, our statistic shows that the nano-twins tended to promote further stress-driven grain growth, and the promotion became more remarkable for the nano-twinned grains that were located at the crack tips.

Nanocrystalline material

10.2139/ssrn.3474455

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Citations (0)

Investigation of corrosion behaviours of high level waste container materials in simulated groundwater in China

Corrosion Engineering Science and Technology The International Journal of Corrosion Processes and Corrosion Control (2014)

Qiufa Xu W. Wang Xiaolu Pang Quanlin Liu Kewei Gao

Appropriate high level radioactive waste container materials in China are still under investigation. The corrosion behaviours of four types of materials (carbon steel Q235, aluminium alloy 2024, copper and stainless steel SUS 304) in simulated groundwater at room temperature were investigated. The corrosion rate was measured through the weight loss method. The chemical composition of corrosion product films formed on the surface of materials was investigated by means of X-ray diffraction and energy dispersive X-ray spectroscopy. The results showed that there was no crevice and pitting corrosion for carbon steel after one year of immersion; the corrosion was dominated by general corrosion, the composition of the corrosion product film being mainly γ-FeOOH, as well as Fe3O4. Copper underwent slight crevice corrosion, but aluminium alloy 2024 suffered serious localised corrosion. No corrosion was observed on stainless steel SUS 304. The presence of oxygen promoted crevice corrosion of copper and aluminium alloy 2024.

Crevice corrosion

Carbon steel

Pitting Corrosion

10.1179/1743278214y.0000000191

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Citations (7)

CoCrMo alloy for orthopedic implant application enhanced corrosion and tribocorrosion properties by nitrogen ion implantation

Applied Surface Science (2015)

Zijian Guo Xiaolu Pang Yu Yan Kewei Gao Alex A. Volinsky

Tribocorrosion

Nanocrystalline material

10.1016/j.apsusc.2015.04.054

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Citations (56)

Orientation controlled microstructure and mechanical properties of TiN-Cu nanocomposite films

Surface and Coatings Technology (2022)

Qi Li Tao Guo Lin Liu Xiaobo Wang Kewei Gao

10.1016/j.surfcoat.2022.129112

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Citations (2)

Review of the fatigue behavior of hard coating-ductile substrate systems

International Journal of Minerals Metallurgy and Materials (2021)

Yanyun Bai Jin Gao Tao Guo Kewei Gao Alex A. Volinsky

10.1007/s12613-020-2203-0

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Citations (18)

Fast deposition of diamond-like carbon films by radio frequency hollow cathode method

Thin Solid Films (2013)

Xiaolu Pang Haili Peng Huisheng Yang Kewei Gao Xiaolei Wu

Diamond-like carbon

Deposition

10.1016/j.tsf.2013.02.123

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Citations (16)

Lignin Promotes Mycelial Growth and Accumulation of Polyphenols and Ergosterol in Lentinula edodes

Journal of Fungi (2023)

Fei‐Fei Wu Heqin Wang Qiufeng Chen Xiaolu Pang Hao Jing

It has been demonstrated that lignin was efficiently degraded by Lentinula edodes (L. edodes). However, the process of lignin degradation and utilization by L. edodes has not been discussed in detail. Therefore, the effects of lignin on L. edodes mycelium growth, chemical compositions, and phenolic profiles were investigated herein. It has been revealed that 0.10% lignin acted as the most effective concentration to accelerate mycelia growth, which yielded the highest biomass of 5.32 ± 0.07 g/L. Furthermore, a 0.10% concentration of lignin promoted the accumulation of phenolic compounds, especially protocatechuic acid, with peak value of 48.5 ± 1.2 μg/g. In contrast, the higher concentration of lignin (0.20%) exerted an inhibitory effect on the growth of L. edodes. Overall, the application of lignin at the optimal concentration of 0.10% could not only enhance the mycelial growth but also accumulate the phenolic acids and raise the nutritional and medical values of L. edodes.

Lentinula

Ergosterol

Lentinus

Pleurotus

10.3390/jof9020237

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Citations (10)

Study on Formation Mechanism and Protection Characteristic of Corrosion Scale on X65 Pipeline Steel in CO 2 Environment

CORROSION (2015)

Wei Liang Xiaolu Pang Kewei Gao

Source

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Citations (1)

One-Step in Situ Synthesis of Reduced Graphene Oxide/Zn–Al Layered Double Hydroxide Film for Enhanced Corrosion Protection of Magnesium Alloys

Langmuir (2019)

Luchun Yan Meng Zhou Xiaolu Pang Kewei Gao

As an effective and environmentally friendly material for corrosion prevention, layered double hydroxide (LDH) films have usually been degraded due to their inherent microporous structure. In this study, graphene derivatives were employed to enhance the corrosion resistance of LDH films. After ultrasonic treatment of a reaction solution mixture containing graphene oxide (GO) powder, a reduced graphene oxide/zinc–aluminum LDH (RGO/Zn–Al LDH) film was in situ synthesized on a magnesium alloy substrate by a one-step facile hydrothermal crystallization process. The characterization results demonstrated that the LDH nanosheets grew on both the GO surface and the magnesium substrate, and thus the agglomeration of graphene was effectively prevented. Furthermore, the GO plates were simultaneously reduced into RGO, which has better corrosion resistance. The as-prepared samples were individually assessed by potentiodynamic polarization measurements, and the RGO/Zn–Al LDH film showed good corrosion resistance with a lower corrosion current density (0.546 μA/cm2) than that of the bare substrate (33.2 μA/cm2) and Zn–Al LDH film (4.33 μA/cm2). The penetration resistance of the Zn–Al LDH film to a corrosive environment was significantly improved through the organic combination with graphene oxide, and this method provides a simple and facile approach to effectively enhance the corrosion protection performance of LDH materials.

Layered double hydroxides

10.1021/acs.langmuir.9b00529

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Citations (75)

Residual stress and warpage of AMB ceramic substrate studied by finite element simulations

Microelectronics Reliability (2019)

Shanshan Zhang Huisheng Yang Kewei Gao Luchun Yan Xiaolu Pang

Brazing

10.1016/j.microrel.2019.04.025

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Citations (25)