Search results for: X.J. Liu

Items from 1 to 20 out of 293 results

article

Surface coverage characterization of tinplates after post‐treatment processes

F.J. Wu, X.J. Liu, X. Xiao

Materialwissenschaft und Werkstofftechnik > 50 > 9 > 1131 - 1138

In this paper, post‐treatments, including reflowing treatment, passivation treatment, and ultrasonic treatment for tinplates with different coating mass, are discussed, and surface characteristics brought by the post‐treatments have also been investigated by grazing incidence X‐ray diffraction and X‐ray photoelectron spectroscopy. Grazing incidence X‐ray diffraction results show the amount of highest...

article

Static atomic-scale structural heterogeneity and its effects on glass formation and dynamics of metallic glasses

X.J. Liu, S.D. Wang, H.Y. Fan, Y.F. Ye, more

Intermetallics > 2018 > 101 > C > 133-143

Molecular dynamics simulations were employed to investigate structural heterogeneity at the sub-nanometer scale for binary Cu-Zr liquids and glasses. The normalized local atomic number density fluctuates significantly in all the liquids and glasses, confirming existence of the static atomic-scale structural heterogeneity. The dynamic evolution of structural heterogeneity profile shows that the good...

article

Value of texture analysis based on enhanced MRI for predicting an early therapeutic response to transcatheter arterial chemoembolisation combined with high-intensity focused ultrasound treatment in hepatocellular carcinoma

J.Y. Yu, H.P. Zhang, Z.Y. Tang, J. Zhou, more

Clinical Radiology > 2018 > 73 > 8 > 758.e9-758.e18

To evaluate the potential value of texture analysis (TA) based on contrast-enhanced magnetic resonance imaging (MRI) for predicting an early response of patients with hepatocellular carcinoma (HCC) who were treated with transcatheter arterial chemoembolisation (TACE) combined with high-intensity focused ultrasound (HIFU).Patients with HCC (n=89) who underwent contrast-enhanced MRI at 1.5 T 1 week...

article

Stacking fault energy of face-centered-cubic high entropy alloys

S.F. Liu, Y. Wu, H.T. Wang, J.Y. He, more

Intermetallics > 2018 > 93 > C > 269-273

The stacking fault energy (SFE) values of several typical face-centered-cubic (fcc) high-entropy alloys (HEAs) were experimentally measured by weak-beam dark-field transmission electron microscopy. It was found that the SFE of the Fe-Co-Ni-Cr-Mn HEA system strongly depends on the SFE of the individual constituents. Specifically, the SFE of this HEA system is closely associated with the Ni concentration...

article

Novel Co-Ti-V-base superalloys reinforced by L12-ordered γ′ phase

J.J. Ruan, X.J. Liu, S.Y. Yang, W.W. Xu, more

Intermetallics > 2018 > 92 > C > 126-132

The influences of alloying elements Al and Ni to a Co-Ti-V master alloy on microstructures, phase stabilities and high-temperature mechanical properties have been investigated. A two-phase microstructure γ/γʹ with ultrahigh γʹ volume fraction was designed in the Co-Ti-V (master alloy), Co-Ti-V-Al (Al-modified) and Co-Ti-V-Ni (Ni-modified) alloys. Al shows a slight tendency to partition into γʹ, while...

article

Mechanical heterogeneity and its relation with glass-forming ability in Zr-Cu and Zr-Cu-Al metallic glasses

H.Y. Fan, X.J. Liu, H. Wang, Y. Wu, more

Intermetallics > 2017 > 90 > C > 159-163

Molecular dynamics simulations of nanoindentation using a spherical indenter were adopted to quantitatively probe the local mechanical heterogeneity (MH) in Zr-Cu and Zr-Cu-Al metallic glasses. Distinct MH at the nanometer scale has been revealed by statistically analyzing the first pop-in stress of different regions in the metallic glasses with an indenter of 4 nm in diameter. More interestingly,...

article

Dry deposition of NO2 over China inferred from OMI columnar NO2 and atmospheric chemistry transport model

X.Y. Zhang, X.H. Lu, L. Liu, D.M. Chen, more

Atmospheric Environment > 2017 > 169 > C > 238-249

The NO₂ dry deposition over China was estimated based on an inferential model, in which the surface NO₂ concentrations and deposition velocities were derived from OMI columnar NO₂ and the simulation results from atmospheric chemistry transport models. Nationally, the annual NO₂ dry deposition fluxes ranged from 0.0005 to 8.54 kg N ha⁻¹, with an average of 0.48 kg N ha⁻¹. The total NO₂ dry deposition...

article

Measurements on the gas desorption yield of the oxygen-free copper irradiated with low-energy Xe 10 + and O +

Z.Q. Dong, P. Li, J.C. Yang, Y.J. Yuan, more

Nuclear Instruments and Methods in Physics Research Section A: Accelerators,... > 2017 > 870 > C > 73-78

Heavy ion beam lost on the accelerator vacuum wall will release quantity of gas molecules and make the vacuum system deteriorate seriously. This phenomenon is called dynamic vacuum effect, observed at CERN, GSI and BNL, leading to the decrease of beam lifetime when increasing beam intensity. Heavy ion-induced gas desorption, which results in dynamic vacuum effect, becomes one of the most important...

article

Tunable magnetism of 3d transition metal doped BiFeO3

S. Lu, C. Li, Y.F. Zhao, Y.Y. Gong, more

Journal of Magnetism and Magnetic Materials > 2017 > 439 > C > 57-66

Electronic polarization or bond relaxation can effectively alter the electronic and magnetic behavior of materials by doping impurity atom. For this aim, the thermodynamic, electronic and magnetic performances of cubic BiFeO₃ have been modulated by the 3d transition metal (TM) dopants (Sc, Ti, V, Cr, Mn, Co, Ni, Cu and Zn) based on the density functional theory. Results show that the doped specimen...

article

Synthesis of well-aligned CuO nanowire array integrated with nanoporous CuO network for oxidative degradation of methylene blue

R. Li, K.C. Chan, X.J. Liu, X.H. Zhang, more

Corrosion Science > 2017 > 126 > C > 37-43

In this paper, we report the fabrication of a 3D free-standing CuO nanowire array supported by nanoporous CuO network by dealloying Cu₆₀Zr₃₅Al₅ glassy ribbon and the subsequent thermal oxidation. The CuO nanocomposite exhibits a hierarchical nanostructure containing well-aligned CuO nanowire array and nanoporous substrate with continuous nanoporosity. The resulting nanocomposite product with high...

article

Compositional design of Fe-based multi-component bulk metallic glass based on CALPHAD method

J.J. Han, C.P. Wang, J. Wang, X.J. Liu, more

Materials & Design > 2017 > 126 > C > 47-56

A quantificational composition design protocol (CDP) of Fe-based bulk metallic glasses (BMGs) with excellent glass-forming ability (GFA) has been proposed on the basis of the thermodynamic calculations. The stability of liquid and the crystallization of solids were both evaluated from the perspective of atomic structure and local composition. The present protocol successfully associates the stability...

article

Improving the accuracy of mandibular reconstruction with vascularised iliac crest flap: role of computer-assisted techniques

W.B. Zhang, Y. Yu, Y. Wang, C. Mao, more

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 197-198

article

Impact of computed tomography venography on donor selection in submandibular gland transplantation

J.Z. Su, G.Y. Yu, H.K. Yu, Z.P. Sun, more

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 216

article

Virtual occlusal definition for segmental orthognathic surgery

L. Wu, Z.L. Li, X. Wang, X.J. Liu

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 170

article

A new procedure assisted by digital techniques for secondary mandibular reconstruction with free fibula flap

Y. Yao, W.B. Zhang, X.J. Liu, C.B. Guo, more

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 196

article

Clinical treatment of venous and microcystic lymphatic malformation on oral mucosa by diode laser

Y.N. Liu, X.J. Liu, M.J. Wu, F.Y. Zhao

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 370

article

Application of digital techniques in correction of hemimandibular and condylar hyperplasia

X.X. Wang, Z.L. Li, B. Yi, C. Liang, more

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 170

article

Clinical application of condylectomy via intraoral approach under computer-assisted surgical navigation

X.X. Wang, Z.L. Li, B. Yi, C. Liang, more

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 238

article

High-temperature plastic flow of a precipitation-hardened FeCoNiCr high entropy alloy

J.Y. He, H. Wang, Y. Wu, X.J. Liu, more

Materials Science and Engineering: A > 2017 > 686 > C > 34-40

In this work, we systematically investigated flow behavior of a high entropy alloy (HEA) strengthened by coherent γ′ precipitates in the temperature range of 1023–1173K. In contrast to the single-phase FeCoNiCrMn HEA, this precipitate-hardened alloy, i.e., (FeCoNiCr)₉₄Ti₂Al₄, exhibited large reduction of the steady-state strain rate (by ~2 orders of magnitude) or drastic enhancement in flow stress,...

article

Rare-earth high-entropy alloys with giant magnetocaloric effect

Y. Yuan, Y. Wu, X. Tong, H. Zhang, more

Acta Materialia > 2017 > 125 > C > 481-489

In this paper, we report the development of rare-earth high-entropy alloys (RE-HEA) with multiple principle elements randomly distributed on a single hexagonal close-packed (HCP) lattice. Our work demonstrated that it is the entropy, rather than other atomic factors such as enthalpy, atomic size and electronegativity, that dictates phase formation in the current rare-earth alloy system. The high configuration...

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Search results for: X.J. Liu

Surface coverage characterization of tinplates after post‐treatment processes

Static atomic-scale structural heterogeneity and its effects on glass formation and dynamics of metallic glasses

Value of texture analysis based on enhanced MRI for predicting an early therapeutic response to transcatheter arterial chemoembolisation combined with high-intensity focused ultrasound treatment in hepatocellular carcinoma

Stacking fault energy of face-centered-cubic high entropy alloys

Novel Co-Ti-V-base superalloys reinforced by L12-ordered γ′ phase

Mechanical heterogeneity and its relation with glass-forming ability in Zr-Cu and Zr-Cu-Al metallic glasses

Dry deposition of NO2 over China inferred from OMI columnar NO2 and atmospheric chemistry transport model

Measurements on the gas desorption yield of the oxygen-free copper irradiated with low-energy Xe 10 + and O +

Tunable magnetism of 3d transition metal doped BiFeO3

Synthesis of well-aligned CuO nanowire array integrated with nanoporous CuO network for oxidative degradation of methylene blue

Compositional design of Fe-based multi-component bulk metallic glass based on CALPHAD method

Improving the accuracy of mandibular reconstruction with vascularised iliac crest flap: role of computer-assisted techniques

Impact of computed tomography venography on donor selection in submandibular gland transplantation

Virtual occlusal definition for segmental orthognathic surgery

A new procedure assisted by digital techniques for secondary mandibular reconstruction with free fibula flap

Clinical treatment of venous and microcystic lymphatic malformation on oral mucosa by diode laser

Application of digital techniques in correction of hemimandibular and condylar hyperplasia

Clinical application of condylectomy via intraoral approach under computer-assisted surgical navigation

High-temperature plastic flow of a precipitation-hardened FeCoNiCr high entropy alloy

Rare-earth high-entropy alloys with giant magnetocaloric effect

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