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  1. No Access

    Article

    Consolidation of Pure Magnesium Powder by Equal-Channel Angular Pressing with Back Pressure

    Pure Mg particles were consolidated by equal-channel angular pressing (ECAP) with back pressure at 423 K. Fully dense bulk Mg with a homogeneous grain structure was obtained. After multiple passes, grains were...

    Zhuoliang Li, Kenong **a, Hua Ding in Journal of Materials Engineering and Performance (2021)

  2. No Access

    Article

    Achieving Fine Beta Grain Structure in a Metastable Beta Titanium Alloy Through Multiple Forging-Annealing Cycles

    A coarse-grained (order of 1 mm) Ti-5553 metastable beta alloy was subjected to multiple passes of low-temperature forging and multiple forging plus annealing cycles, respectively. In the forging only processi...

    Ahmad Zafari, Yunpeng Ding, Jianzhong Cui… in Metallurgical and Materials Transactions A (2016)

  3. No Access

    Article

    Transformation of Lamellar Structures in Equal Channel Angular Pressing: Geometric Model and Application to Nickel Aluminum Bronze

    Nickel aluminum bronze (NAB) with a duplex structure was subjected to equal channel angular pressing (ECAP). Samples were pressed for up to four passes at 673 K (400 °C) using routes A, BA, BC, and C, respectivel...

    Cameron J. Barr, Daniel T. McDonald… in Metallurgical and Materials Transactions A (2015)

  4. No Access

    Article

    Effect of Equal Channel Angular Pressing on Lamellar Microstructures in Nickel Aluminum Bronze

    A lamellar nickel aluminum bronze has been processed by equal channel angular pressing (ECAP) and its microstructure investigated. The orientation, spacing, and morphology of the lamellae after ECAP were obser...

    Daniel T. McDonald, Cameron J. Barr… in Metallurgical and Materials Transactions A (2013)

  5. No Access

    Article

    Significantly enhanced tensile strength and ductility in nickel aluminium bronze by equal channel angular pressing and subsequent heat treatment

    Nickel aluminium bronze (NAB) was subjected to equal channel angular pressing (ECAP) at 400 °C for up to 4 passes in routes BA and C, respectively, followed by isothermal heat treatment with a view to improving t...

    Cameron J. Barr, Daniel T. McDonald, Kenong **a in Journal of Materials Science (2013)

  6. No Access

    Article

    Substructural changes during hot deformation of an Fe-26Cr ferritic stainless steel

    Dynamic softening and substructural changes during hot deformation of a ferritic Fe-26Cr stainless steel were studied. The flow stress increased to reach a steady state in all the cases and the steady-state st...

    Fei Gao, Baoyun Song, Yourong Xu, Kenong **a in Metallurgical and Materials Transactions A (2000)

  7. No Access

    Article

    Fracture behaviour at elevated temperatures of alumina matrix composites reinforced with silicon carbide whiskers

    Creep tests were performed on alumina matrix composites containing 9.3,18 and 30 vol % of SiC whiskers. Careful examination after failure showed that the fracture characteristics were dependent upon the micros...

    Kenong **a, Terence G. Langdon in Journal of Materials Science (1996)

  8. No Access

    Article

    The toughening and strengthening of ceramic materials through discontinuous reinforcement

    The incorporation of a discontinuous reinforcement, in the form of fibres or particulates, into a ceramic matrix provides the possibility of introducing toughness and strength. This review summarizes the vario...

    Kenong **a, Terence G. Langdon in Journal of Materials Science (1994)

  9. No Access

    Article

    The Mechanical Properties at High Temperatures of SiC Whisker-Reinforced Alumina

    Creep tests were conducted at temperatures from 1673 to 1823 K on samples of Al2O3 containing 9.3, 18 and 30 vol % SiC whiskers. The results show that the strains to failure tend to decrease and the stress expone...

    Kenong **a, Terence G. Langdon in MRS Online Proceedings Library (1988)