Peng Bi

University of Adelaide

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Ying Jin

University of Science and Technology Beijing

Feifei Huang

University of Science and Technology Beijing

Alana Hansen

University of Adelaide

Qingrui Wang

Wuhan Sixth Hospital

Lei Wen

University of Science and Technology Beijing

Yanpeng Xue

University of Science and Technology Beijing

Monika Nitschke

University of Adelaide

Weipeng Wang

Tsinghua University

Shuqiang Wang

Hubei University of Technology

Scott Hanson‐Easey

University of Adelaide

Cooperative Institutions

Monash University

University of Science and Technology Beijing

University of Adelaide

Southwest University of Science and Technology

Chinese Academy of Sciences

Paul Scherrer Institute

Materials Science & Engineering

University of Science and Technology of China

Tsinghua University

Peking University

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A Comparative Study of Fabricating IrOx Electrodes by High Temperature Carbonate Oxidation and Cyclic Thermal Oxidation and Quenching Process

Coatings (2021)

Feifei Huang Qingrui Wang Weipeng Wang Jiangshun Wu Shuqiang Wang

IrOx electrodes were fabricated by cyclic thermal heating and water quenching (CHQ) process and high temperature carbonate oxidation (HCO), respectively. By examining the E-pH relationship, response rate, potential drift behavior of the fabricated electrodes, the electrodes prepared by CHQ process seemed to show better comprehensive performance. Characterization tests such as scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, and electrochemical impedance spectroscopy (EIS) were used to characterize the fabricated IrOx electrodes and find out the reason for the better performance of the electrodes prepared by CHQ process. Morphology tests indicate that the CHQ electrode shows a multi-layer structure with more ion channels, which could provide larger surface area for the H+ response process. Furthermore, combining the XPS, Raman and EIS tests etc., more effective response composition, better crystal quality, and smaller response reaction resistance of surface IrOx film could account for the better performance of the CHQ-fabricated IrOx electrode. The film formation process, H+ response mechanism, as well as the response behavior difference between the two kinds of the electrodes are further elaborated.

10.3390/coatings11101202

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Citations (4)

Effect of water droplet in solvent sublation

Chinese Chemical Letters (2008)

Peng Bi Hui Dong Nan Nan Wang

Dithizone

Octanol

Aqueous two-phase system

10.1016/j.cclet.2008.03.010

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Fracture in NiTi instruments:classification and prevention

Chinese Journal of Practical Stomatology (2011)

Peng Bi

Despite their increasing popularity,a major concern with the use of NiTi instruments is the possibility of unexpected separation. The mode of NiTi instrument separation may be classified into flexural fatigue and torsional fracture macroscopically,or into fatigue and shear according to high-power fractographic examination. To prevent the fracture,fatigue and shear stress should be well controlled in clinical use.

Nickel titanium

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Thought about News supervision by public opinion justice

Journal of Hubei Radio & Television University (2009)

Peng Bi

The paper based on the analysis of the problems in nowadays supervision by public opinion,proposed that supervision by public opinion should based on non-aggression to judical independence,which means using public opnion to supervise justice is necessary,but it doesn't means it is without limit,we should holding the orientation and making the two of them keeping balanceable mechanism and standard.

Independence

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Critical bubble radius in solvent sublation

Chinese Chemical Letters (2007)

Peng Bi Hui Dong Nan Nan Wang

Coalescence (physics)

Octanol

Critical radius

10.1016/j.cclet.2007.08.009

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Application of Cyclic Thermal-Oxidized IrO_x Electrode in pH Detection of Interface Region of Zn/Steel Galvanic Process

Meeting abstracts/Meeting abstracts (Electrochemical Society. CD-ROM) (2018)

Feifei Huang Peng Bi Qingrui Wang Ying Jin Lei Wen

Previously, a cyclic heating and quenching process for developing IrO x electrodes is proposed. The fabricated IrO x electrodes show excellent comprehensive properties including wide E-pH range, near Nernst pH sensitivity, fast response rate, and long term stability etc. In this work, the IrO x electrodes are applied in the detection of surface pH changes during galvanic corrosion process of Zn/Steel couple in thin electrolyte film and bulk solution respectively. This detection is realized by integrating the self-fabricated IrO x pH sensor and self-built moving platform together. Before the application of the IrO x electrode, the appropriate way of scanning the surface of the Zn/steel galvanic couple is discussed. Comparing with the case in bulk solution, the Zn/steel couple corrodes faster in 1mm electrolyte layer, the surface pH of which increases to a high value after corrosion begins for 20~40min, and the low pH region exists on the zinc surface and the region adjacent to border area of the steel surface, whereas the pH value of the steel surface away from the border area is relative high. It is demonstrated that the IrO x electrode could detect the pH distribution effectively in surface region during metal corrosion, which could help the understanding of corrosion process under different situations.

Galvanic cell

Galvanic corrosion

10.1149/ma2018-02/56/2000

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Combining lithography and capillary techniques for local electrochemical property measurements

Electrochemistry Communications (2017)

Ying Jin Zhaogui Lai Peng Bi Songtao Yan Lei Wen

The relationships between composition, microstructure and electrochemical properties are of fundamental importance in understanding the corrosion of multiphase materials and thus in aiding in the design of new materials. A local electrochemical test system which combines a capillary device with a photolithographic mask has been developed to investigate the local electrochemical properties of a predefined micron-sized area with greater reliability and versatility than existing approaches. Independent electrochemical measurements were conducted on the different phases of a 2205 duplex stainless steel in NaCl solution, demonstrating the feasibility of the developed test system.

10.1016/j.elecom.2017.12.027

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Citations (19)

Cancer mortality among immigrants in Australia

Edward Elgar Publishing eBooks (2017)

Olga Anikeeva Peng Bi

Cancer mortality differences between immigrants and the Australian population are investigated in the context of how diet, lifestyle factors and acculturation affect the risk of death. In general, immigrants have lower cancer mortality rates. Greeks and Italians in particular, enjoy a significant mortality advantage in relation to other Australians. It also found that there are a number of specific cancers where mortality rates are higher for some migrant groups. Upon arrival, East and South East Asian immigrants have an approximately thirty-fold higher age-adjusted risk of dying from nasopharyngeal cancer compared to their Australian-born counterparts, but this differential reduces to nine-fold after 30 years of living in Australia. Migrants from the United Kingdom, the former Yugoslavia, Greece and Italy have higher age-adjusted mortality rates from cancer of the stomach and pancreas, which decreases with increasing duration of residence in Australia. It is thought that these differentials reflect group variability in dietary and lifestyle habits and degree of retention of Old World traditions.

Acculturation

10.4337/9781785365973.00014

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Structural, electronic and optical properties of C/P co-doped two-dimensional AlN by density functional theory calculation

Computational Materials Science (2021)

Songhu Bi Peng Bi Mingzhe Xue

Optical conductivity

Density of states

10.1016/j.commatsci.2021.110603

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The eighth SINQ Target Irradiation Program, STIP-VIII

Nuclear Materials and Energy (2024)

Yong Dai R. Brun A. Spahr V. Boutellier Wei Jiang

The eighth experiment of the SINQ Target Irradiation Program (STIP-VIII) included a total of 941 specimens from 25 steels, 8 zircaloys, 6 tungsten based alloys (W-alloys) and 2 silicon carbide (SiC) composites. Specimens were prepared in 2016 and 2017. Irradiation was carried out in SINQ Target-13 in two periods: June 26 to December 21, 2018 and July 30 to December 23, 2020. The total proton charge received by Target-13 is 7.8 Ah, corresponding to 1.75×1023 protons. The irradiated specimens were unpacked in 2022 and 2023 and more than 98 % of the specimens were recovered. The specimens were irradiated at temperatures between 100 and 450 °C. The maximum doses are 10.4 dpa for steels, 14.8 dpa for zircaloys, 11.5 dpa for W-alloys, and 3.5 dpa for SiC composites. The He-to-dpa ratio is in the range of 22–42 appm/dpa for steels, 13–16 appm/dpa for zircaloys, 30–36 appm/dpa for W-alloys and 90–125 appm/dpa for SiC composites.

Tungsten Carbide

10.1016/j.nme.2024.101638

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Citations (1)