Author
X.H. Fan
Bio: X.H. Fan is an academic researcher. The author has contributed to research in topics: Metallurgy & Materials science. The author has an hindex of 1, co-authored 1 publications receiving 39 citations.
Topics: Metallurgy, Materials science, Corrosion, Alloy, Passivity
Papers
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TL;DR: In this paper, the evolution of fiber texture in the drawn single crystal copper wires with initial orientations of, and parallel to axis direction has been studied via electron backscattering diffraction.
47 citations
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TL;DR: In this article , the effect of temperature on the passive film structure and corrosion performance of CoCrFeMoNi HEA was studied and the results indicated that the passive films exhibited a bilayer structure, where Co and Mo were segregated in the outer film, while Cr was enriched in the inner layer.
12 citations
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TL;DR: In this paper, the microstructure and phase constituents were characterized by scanning electron microscopy, X-ray diffraction and transmission electron microscope, and the tensile properties were tested as well.
124 citations
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TL;DR: In this article, a simple electrospinning technique using ferric nitrate (Fe(NO)3·9H2O) and polyvinylpyrrolidone (PVP) as precursors was successfully synthesized by a simple hollow cage-like α-Fe2O3 microspheres with an average diameter of 500 nm and a shell thickness of 60 nm.
Abstract: Hollow cage-like α-Fe2O3 microspheres with an average diameter of 500 nm and a shell thickness of 60 nm were successfully synthesized by a simple electrospinning technique using ferric nitrate (Fe(NO)3·9H2O) and polyvinylpyrrolidone (PVP) as precursors. Fe(NO)3/PVP composite microspheres were calcined at high temperature to form an interconnected 3D hollow cage-like α-Fe2O3 structure. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), and magnetic measurements were used to characterize the morphology, structure, and magnetic properties of α-Fe2O3 microspheres. Based on the characterization results, a formation mechanism for electrospun hollow cage-like α-Fe2O3 microspheres was proposed. We also found that morphology-preserved conversion from α-Fe2O3 to magnetic Fe can be achieved during reduction reactions in H2/Ar. The magnetic property investigation showed that the as-prepared hollow Fe nanostructures exhibit a ferromagnetic behavior and possess high saturation magnetization (Ms).
55 citations
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TL;DR: In this paper, the transformation behavior of Cu-8.0Ni-1.8Si-0.15Mg alloy during isothermal heat treatment has been studied by transmission electron microscope observation.
53 citations
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TL;DR: In this paper, the authors present a study of local variations in the texture (microtexture) as well as grain boundary or mesotexture associated with copper wire and its implications for micromechanical inhomogeneity within a sample volume.
Abstract: In many processing operations, it is critical to know the relationship between the resultant sample geometry and the distribution of crystallographic or grain orientations within the polycrystalline aggregates. The spatial variations in crystallographic texture associated with different parts of the sample geometry can influence differences in the plastic response within different regions of a sample. In this paper we present a study of such local variations in the texture (microtexture) as well as grain boundary or mesotexture associated with copper wire and its implications for micromechanical inhomogeneity within a sample volume. The unique experimental and analytical aspects of such microtexture characterization are discussed along with the issues of grain boundary structural parameters and its role in microtexture and anisotropy. The presence of differences in twin frequency in different regions of the sample is suggested as a possible source of strength anisotropy.
44 citations
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TL;DR: The microstructure, microhardness, texture and corrosion resistance of cold-swaged and coldwiredrawn copper rods were evaluated in this article, where the copper grains in both cold-worked rods presented a preferential orientation in the [1/1/0] crystallographic direction but this trend was more pronounced for swaged rods.
31 citations