Search Results - "Bao, Y.W."

Investigation of the relationship between elastic modulus and hardness based on depth-sensing indentation measurements by Bao, Y.W., Wang, W., Zhou, Y.C.

“…An analytical relationship between the reduced modulus E r and hardness H for solid materials is established based on the conventional depth-sensing…”
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Atomic-scale microstructure and elastic properties of quaternary Zr–Al–Si–C ceramics by Lin, Z.J., He, L.F., Wang, J.Y., Li, M.S., Bao, Y.W., Zhou, Y.C.

“…Transmission electron microscopy characterizations and elastic properties of two quaternary carbides, i.e. Zr2(Al(Si))4C5 and Zr3(Al(Si))4C6 are reported. The…”
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Improving the oxidation resistance of Ti3SiC2 by forming a Ti3Si0.9Al0.1C2 solid solution by ZHANG, H. B, ZHOU, Y. C, BAO, Y. W, LI, M. S

“…The oxidation behavior of the Ti3Si0.9Al0.1C2 solid solution in air was investigated at 1000-1350DGC. The parabolic rate constants of Ti3Si0.9Al0.1C2 were…”
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High-temperature internal friction, stiffness and strength of Zr–Al(Si)–C ceramics by He, L.F., Lu, X.P., Bao, Y.W., Wang, J.Y., Zhou, Y.C.

“…The temperature dependence of internal friction, stiffness and strength of Zr–Al(Si)–C ceramics was studied. For glass-free Zr–Al(Si)–C ceramics, the internal…”
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Thermal shock behavior of Ti3AlC2 from between 200°C and 1300°C by BAO, Y. W, WANG, X. H, ZHANG, H. B, ZHOU, Y. C

“…The retained strength and hardness of Ti3AlC2 bars quenched from 200 to 1300 C in air, water and silicone oil were investigated to study the thermal shock…”
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In situ reaction synthesis and characterization of Ti3Si(Al)C2/SiC composites by WAN, D. T, ZHOU, Y. C, BAO, Y. W, YAN, C. K

“…The reaction route, microstructure, and properties of Ti3Si(Al)C2/SiC composites with 5-30 vol% SiC content prepared by the in-situ hot pressing/solid-liquid…”
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Effect of grain size, notch width, and testing temperature on the fracture toughness of Ti3Si(Al)C2 and Ti3AlC2 using the chevron-notched beam (CNB) method by WAN, D. T, MENG, F. L, ZHOU, Y. C, BAO, Y. W, CHEN, J. X

“…The effects of grain size, notch width, and testing temperature on the fracture toughness of two typical MAX phases, Ti3Si(Al)C2 and Ti3AlC2, were investigated…”
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Material removal and surface damage in EDM of Ti3SiC2 ceramic by HU, C. F, ZHOU, Y. C, BAO, Y. W

“…Material removal and surface damage of Ti3SiC2 ceramic during electrical discharge machining were investigated. Melting and decomposition were the main…”
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Oxidation behavior of bulk Ti3SiC2 at intermediate temperatures in dry air by Zhang, H.B., Zhou, Y.C., Bao, Y.W., Wang, J.Y.

“…The isothermal oxidation behavior of bulk Ti3SiC2 at intermediate temperatures from 500 to 900 °C in flowing dry air was investigated. An anomalous oxidation…”
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Effect of sic particles on the friction and wear behavior of Ti3Si(Al)C2-based composites by WAN, D. T, HU, C. F, BAO, Y. W, ZHOU, Y. C

“…The non-lubricated, sliding friction and wear behavior of Ti3Si(Al)C2 and SiC-reinforced Ti3Si(Al)C2 composites against AISI 52100 bearing steel ball were…”
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An ultrahigh-energy γ-ray bubble powered by a super PeVatron by LHAASO Collaboration

“…We report the detection of a γ-ray bubble spanning at least 100deg2 in ultra-high energy (UHE) up to a few PeV in the direction of the star-forming region…”
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A novel method to evaluate Young׳s modulus of ceramics at high temperature up to 2100°C by Liu, Z., Bao, Y.W., Wan, D.T., Tian, Y., Hu, C.L., Wei, C.G.

“…Although it is important to understand Young׳s modulus and creep behavior of ceramics at ultra-high temperature from 1500°C to 2300°C, measuring these…”
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Very high-energy gamma-ray emission beyond 10 TeV from GRB 221009A

“…The highest-energy gamma-rays from gamma-ray bursts (GRBs) have important implications for their radiation mechanism. Here we report the detection of…”
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Mechanical properties of Y2Ti2O7 by He, L.F., Shirahata, J., Nakayama, T., Suzuki, T., Suematsu, H., Ihara, I., Bao, Y.W., Komatsu, T., Niihara, K.

“…The mechanical properties of Y2Ti2O7 ceramics have been systematically characterized. Y2Ti2O7 shows higher hardness (12.1GPa) than Y2O3 and TiO2. The Young's…”
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Monitoring the daily variation of Sun-Earth magnetic fields using galactic cosmic rays

“…The interplanetary magnetic field (IMF) between the Sun and Earth is an extension of the solar magnetic field carried by the solar wind into interplanetary…”
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Abnormal thermal shock behavior of Ti3SiC2 and Ti3AlC2 by Zhang, H.B., Zhou, Y.C., Bao, Y.W., Li, M.S.

“…Many layered ternary ceramics displayed unusual thermal shock behavior, i.e., the retained strengths of as-quenched samples increased with increasing quench…”
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Mechanical and thermal properties of a Hf 2[Al(Si)] 4C 5 ceramic prepared by in situ reaction/hot-pressing by He, L.F., Nian, H.Q., Lu, X.P., Bao, Y.W., Zhou, Y.C.

“…Predominantly single-phase Hf 2[Al(Si)] 4C 5 ceramic has been fabricated by an in situ reaction/hot-pressing method using Hf, Al, Si and graphite as starting…”
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Crystal structure and theoretical elastic property of two new ternary ceramics Hf3Al4C6 and Hf2Al4C5 by He, L.F., Lin, Z.J., Wang, J.Y., Bao, Y.W., Zhou, Y.C.

“…Two new ternary aluminum carbides, Hf3Al4C6 and Hf2Al4C5, were identified and their crystal structure was determined by a combination of X-ray diffraction,…”
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Oxidation of Zr2[Al(Si)]4C5 and Zr3[Al(Si)]4C6 in air by He, L.F., Bao, Y.W., Li, M.S., Wang, J.Y., Zhou, Y.C.

“…The oxidation behavior of Zr2[Al(Si)]4C5 and Zr3[Al(Si)]4C6 in air has been investigated. The oxidation kinetics of bulk Zr2[Al(Si)]4C5 and Zr3[Al(Si)]4C6 at…”
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Evaluating elastic modulus and strength of hard coatings by relative method by Bao, Y.W., Zhou, Y.C., Bu, X.X., Qiu, Y.

“…A simple approach named relative method is developed for determining the elastic modulus and strength of hard coatings. Analytical relationship among the…”
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