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13 Result(s)

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  1. No Access

    Article

    Grain growth and recrystallization of nanocrystalline Al3Ti prepared by mechanical alloying

    The grain sizes and lattice strains during mechanical alloying of Ti-75 at.% Al powder mixtures were studied using X-ray diffraction methods. Nanocrystalline L12-Al3Ti was obtained after a certain time period of ...

    F. Zhang, L. Lu, M. O. Lai, F. H. (Sam) Froes in Journal of Materials Science (2003)

  2. No Access

    Article

    Improvement of microstructure and mechanical properties of AZ91/SiC composite by mechanical alloying

    AZ91 magnesium alloy reinforced with SiC particulates was fabricated via powder metallurgy technique as well as mechanical alloying process where a planetary ball mill was employed. Microstructure and mechanic...

    Lü Li, M. O. Lai, M. Gupta, B. W. Chua, A. Osman in Journal of Materials Science (2000)

  3. No Access

    Article

    Synthesis, microstructure and properties characterization of disintegrated melt deposited Mg/SiC composites

    In the present study, elemental and silicon carbide reinforced magnesium materials were synthesized using an innovative disintegrated melt deposition method followed by hot extrusion. Microstructural character...

    M. Gupta, M.O. Lai, D. Saravanaranganathan in Journal of Materials Science (2000)

  4. No Access

    Article

    Synthesis of titanium diboride TiB2 and Ti-Al-B metal matrix composites

    Titanium diboride TiB2 and TiAl aluminide composites reinforced with in situ borites have been synthesized from the elemental powders of Ti and B, and Ti, Al and B respectively using mechanical alloying technique...

    L. Lu, M. O. Lai, H. Y. Wang in Journal of Materials Science (2000)

  5. No Access

    Article

    Analysis of Precipitation Hardening of 6061/10% SiC Composite by Differential Scanning Calorimetry

    The precipitation of a supersaturated 6061 Al alloy reinforced with 10% SiCpwas monitored by using a DSC technique. DSC thermal curves were used to predict peak-aging temperatures and durations. The activation en...

    L. Lu, M. Gupta, M. O. Lai in Journal of Thermal Analysis and Calorimetry (1998)

  6. No Access

    Article

    Influence of heat treatment on properties of copper-based shape-memory alloy

    An investigation was performed on a Cu-Zn-Al ternary alloy to examine the influence of heat treatment on its shape-memory effect. Four heat treatments were carried out, namely, step quenching, ice-water quench...

    M. O. Lai, L. Lu, W. H. Lee in Journal of Materials Science (1996)

  7. No Access

    Article

    Effects of gap filler and brazing temperature on fracture and fatigue of wide-gap brazed joints

    The influence of gap filler content on the fracture, fatigue crack initiation and propagation of AISI 316 stainless steel wide-gap brazed with nickel-based filler metal has been investigated. The brazed joints...

    Y. H. Yu, M. O. Lai in Journal of Materials Science (1995)

  8. No Access

    Article

    Recent development in the fabrication of metal matrix-particulate composites using powder metallurgy techniques

    It is advantageous to fabricate metal matrix-particulate composites (MMPCs) using powder metallurgy (PM) because the fabricated composites possess a higher dislocation density, a small sub-grain size and limit...

    Y. B. Liu, S. C. Lim, L. Lu, M. O. Lai in Journal of Materials Science (1994)

  9. No Access

    Article

    Thermal fatigue property of high-density polyethylene

    M. O. Lai, S. H. Teoh in Journal of Materials Science Letters (1992)

  10. No Access

    Article

    On the prediction of tensile properties from hardness tests

    The possibility of correlating the hardness to the tensile properties of a material has been investigated using Assab 760 steel, mild steel and API Std 5LX grade X60 pipeline steel that have been heat-treated ...

    M. O. Lai, K. B. Lim in Journal of Materials Science (1991)

  11. No Access

    Article

    Mechanical properties of a marine shaft steel with banded ferrite-pearlite structure

    M. O. Lai, H. S. Fong in Journal of Materials Science Letters (1989)

  12. No Access

    Article

    Fatigue performance of repaired pipeline steel welds

    M. O. Lai, H. S. Fong in Journal of Materials Science Letters (1988)

  13. No Access

    Article

    Relationship between fracture topography and fracture toughness of a high strength steel

    The relationship between fracture topography and the plane strain fracture toughness of Comsteel En25 tempered at nine different temperatures and with crack planes in the R-L, R-C and L-R orientations has been...

    M. O. Lai, W. G. Ferguson in Journal of Materials Science (1985)