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  1. No Access

    Article

    Analysis and Discussion on the Room Temperature Microstructure and Properties of High Content Mixed Rare-Earth As-Cast AZ61 Magnesium Alloy

    This paper systematically analyzed and discussed the microstructure and mechanical properties of as-cast AZ61 magnesium alloy with rare-earth content of 1.0~4.0 wt.% by optical microscopy, SEM, EDS, and XRD. T...

    F. H. Cao, Y. Zhang, Y. Chen, M. G. Jiang, J. L. Zhou, Y. He in Strength of Materials (2023)

  2. No Access

    Article

    Galvanic Corrosion Behavior of 7B04 Aluminum/TC16 Titanium Alloy Joints After Anodized Oxidation and Its Effect on Fatigue Life

    The galvanic corrosion behavior of anodized 7B04 aluminum/TC16 titanium alloy joints in different corrosion time and its effect on fatigue life were studied, providing a basis for structural corrosion and prot...

    T. Zhang, T. Zhang, Y. He, Y. Bi, B. Hou, C. F. Li in Strength of Materials (2023)

  3. No Access

    Article

    Effect of Extrusion Preforming Process on Microstructure and Mechanical Properties of AZ81 Magnesium Alloy Die-Forged Net Forming Specimen

    With semi-continuous casting AZ81 magnesium alloy as the carrier, the evolution of microstructure and properties in different deformation processes was analyzed and discussed by means of SEM, EBSD, XRD and met...

    F. H. Cao, Y. Chen, Y. Zhang, F. Long, Z. H. Qin, M. G. Jiang… in Strength of Materials (2023)

  4. No Access

    Article

    Experimental Study on Compression Behavior of Fiber-Reinforced Resin-Based Composite Stiffened Panels in Hygrothermal Environment

    Fiber-reinforced resin-based composite stiffened panels are put in the hygrothermal box at 70°C and 85% RH until moisture absorption reaches balance. Then, the compression experiments on the common stiffened p...

    T. An, Y. He, Y. Feng in Strength of Materials (2020)

  5. No Access

    Article

    New insights into the interface characteristics of a duplex stainless steel subjected to accelerated ferrite-to-austenite transformation

    The ferrite-to-austenite phase transformation during water quenching of a duplex stainless steel was studied, where a duplex stainless steel was heated to 1370 °C (delta ferrite region) and quenched to room te...

    N. Haghdadi, P. Cizek, P. D. Hodgson, Y. He, B. Sun… in Journal of Materials Science (2020)

  6. No Access

    Article

    Enhanced Microwave Absorption Property of Ho–Ce–Co Alloy

    In this study, HoxCe2–xCo17 (x = 0, 0.2, 0.6, 1.0) powders were fabricated by melting and ball milling successfully. The influence of Ho content on phase structure, morphology, electromagnetic parameters and micr...

    Y. He, S. K. Pan, L. C. Cheng, J. L. Luo, Y. Q. Xu… in Physics of Metals and Metallography (2020)

  7. No Access

    Article

    Determination of Constitutive Relationships of Tubular Materials at Various Strain Rates Using Hydro-Bulging Experiments

    Liquid impact forming (LIF) is a rapid tube hydroforming technique. The deformation behaviour of a metal tube may be different in LIF from that in tube hydroforming. A constitutive equation or equivalently an ...

    L. Yang, Y. Fu, Y. He, J. Ma, J. Guo in Experimental Techniques (2020)

  8. No Access

    Article

    Study on the Strengthening Mechanism of Two-Stage Double-Peaks Aging in 7075 Aluminum Alloy

    The mechanical properties and microstructure of 7075 aluminum alloy during the two-stage aging process have been studied by means of Rockwell hardness test, tensile test, X-ray diffraction, scanning electron m...

    S. W. Cai, Y. He, R. G. Song in Transactions of the Indian Institute of Metals (2020)

  9. No Access

    Chapter and Conference Paper

    The Process and Application of Oxygen-Enriched Air Side Blown Smelting of Lead–Zinc Materials

    The paper has discussed smelting process and application of oxygen-rich side blown for –zinc materials. This process includes three steps: oxidation melting, reduction melting, and slag which are continuou...

    Ling Zhang, L. Zhang, Y. He in PbZn 2020: 9th International Symposium on … (2020)

  10. No Access

    Article

    Anisotropy of thermoelectric composites 0.7 Ca3Co4O9/0.3 Bi2Ca2Co2Oy

    The anisotropy of thermoelectric composites 0.7 Ca3Co4O9/0.3 Bi2Ca2Co2Oy were investigated. The X-ray diffraction analysis and the micro-morphology characterization in different planes were conducted. The results...

    N. B. Feng, Y. W. Liao, S. Y. Li, Y. He… in Journal of Materials Science: Materials in… (2019)

  11. No Access

    Article

    Enhanced room-temperature magnetoelectric effect in xBi0.5Na0.5TiO3-(1-x)NiFe2O4 ceramics by magnetic field annealing

    The polycrystalline xBi0.5Na0.5TiO3-(1-x)NiFe2O4 solid solutions with different ratios have been synthesized by sol-gel method. The samples are respectively annealed with nonmagnetic and magnetic field annealing ...

    L. G. Wang, C. M. Zhu, S. L. Yuan, F. C. Liu, Y. He, H. Yang… in Journal of Electroceramics (2019)

  12. No Access

    Article

    Numerical Simulation-Based Optimization of Contact Stress Distribution and Lubrication Conditions in the Straight Worm Drive

    Tooth contact area optimization/meshing of the straight worm pair is vital for improving its operation efficiency. Geometric parameters of a worm helicoid were derived via the gear meshing theory using the equ...

    Y. He, G. F. Li, Y. P. Zhao, Y. Sun, G. Z. Jiang in Strength of Materials (2018)

  13. No Access

    Article

    Thermoelectric properties of 0.7 Ca3Co4−x Cu x O9/0.3 Bi2Ca2Co2−z Cu z O y (x = 0, 0.05, 0.1; z = 0, 0.05, 0.1) composites

    0.7 Ca3Co4O9/0.3 Bi2Ca2Co2O y thermoelectric composites were prepared by solid state reaction, and Cu do** in Ca3Co4O9 and Bi2Ca2Co2O y was ...

    X. R. Liu, S. Y. Li, Y. He, Y. Lu, Y. R. **… in Journal of Materials Science: Materials in… (2017)

  14. No Access

    Article

    Characterization of Thermal, Mechanical and Tribological Properties of Fluoropolymer Composite Coatings

    Perfluoroalkoxy (PFA) is a potential polymer coating material for low-temperature waste heat recovery in heat exchangers. Nonetheless, poor thermal conductivity, low strength and susceptibility to surface degr...

    Y. He, K. Farokhzadeh, A. Edrisy in Journal of Materials Engineering and Performance (2017)

  15. No Access

    Article

    Spectroscopic evidence for negative electronic compressibility in a quasi-three-dimensional spin–orbit correlated metal

    Electron filling causes a reduction of the chemical potential in (Sr1−x Lax)3Ir2O7, which suggests negative electronic compressibility. Studying the concomitant change of the bandgap provides insight into the phy...

    Junfeng He, T. Hogan, Thomas R. Mion, H. Hafiz, Y. He, J. D. Denlinger… in Nature Materials (2015)

  16. No Access

    Article

    Low Thermal Conductivity and Enhanced Thermoelectric Performance in In and Lu Double-Filled CoSb3 Skutterudites

    The thermoelectric properties of indium (In) and lutetium (Lu) double-filled skutterudites In x Lu y Co4Sb12 prepared by high-pressure synthesis...

    G. D. Tang, Z. H. Wang, X. N. Xu, Y. He, L. Qiu… in Journal of Electronic Materials (2011)

  17. No Access

    Article

    Electrical and Thermal Properties of the Ca3−x Gd x Co4O9+δ System

    The effects of Gd substitution on the thermoelectric (TE) properties of Ca3Co4O9+δ have been systematically investigated from 25 K to 335 K. Partial substitution of Gd in Ca3Co4O9+δ ...

    G. D. Tang, C. P. Tang, X. N. Xu, Y. He, L. Qiu… in Journal of Electronic Materials (2011)

  18. No Access

    Article

    Changes in Friction Properties of Monolayer Lubricant Films Induced by Development of Molecules’ Bonding

    Functional perfluoropolyether (PFPE) films consisting of mobile and bonded molecules are widely used for lubrication of magnetic disks. In order to clarify the influence of film composition (mobile/bonded) on ...

    H. Zhang, Y. Mitsuya, Y. Fujikawa, A. Fuwa, Y. He, K. Fukuzawa in Tribology Letters (2007)

  19. No Access

    Article

    Evaluations of tribological characteristics of PFPE lubricants on DLC surfaces of magnetic disks

    This article presents measurements of adhesion and friction of perfluoropolyether (PFPE) lubricant films dip-coated on magnetic disks covered with diamond-like carbon (DLC) film. We have developed a custom-bui...

    Y. He, Y. Fujikawa, H. Zhang, K. Fukuzawa, Y. Mitsuya in Tribology Letters (2007)

  20. No Access

    Article

    Vapor-liquid-solid Growth of III-Nitride Nanowires and Heterostructures by Metal-Organic Chemical Vapor Deposition

    We report flexible synthesis of III-Nitride nanowires and heterostructures by metal-organic chemical vapor deposition (MOCVD) via a catalytic vapor-liquid-solid (VLS) growth mechanism. Indium is used as an in-...

    J. Su, M. Gherasimova, G. Cui, J. Han, S. Lim, D. Ciuparu… in MRS Online Proceedings Library (2004)

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