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  1. No Access

    Article

    Second Phase Particles in Zr–Sn–Nb–Fe Alloys: A Review

    In the Zr–Sn–Nb–Fe quaternary alloys, the nature and evolution of the second phase particles (SPPs) is critical to the performance of the alloy in the extremely deteriorative environment. The main aim of this ...

    A. W. Aldeen, Z. W. Chen, I. A. Disher, M. Samiuddin… in Physics of Metals and Metallography (2023)

  2. No Access

    Article

    Improvement Strategy to Minimize Secondary Impact of Gear Shift for Commercial Vehicle Transmission

    The secondary impact of automotive transmission and its adverse effect on the shift process has attracted widespread attention in the automotive industry. Based on comparing the defects of the asymmetric tooth...

    Y. X. Li, S. Cheng, Z. W. Chen, W. Q. Ye… in Journal of Failure Analysis and Prevention (2022)

  3. No Access

    Article

    Fatigue Crack Growth Behavior of Al-4.5Mg-0.6Sc-0.3Zr Alloy Processed by Laser Powder Bed Fusion

    Fatigue crack growth (FCG) behavior of the bimodal (equiaxed and columnar) grain microstructure of Scalmalloy, which is a printable and high strength aluminum alloy, processed by laser powder bed fusion (LPBF)...

    P. Chernyshova, T. Guraya, S. Singamneni… in Journal of Materials Engineering and Perfo… (2021)

  4. No Access

    Article

    Grain growth during selective laser melting of a Co–Cr–Mo alloy

    Modes of solidification during selective laser melting (SLM) of metallic alloys, including Co–Cr–Mo alloy, are still not fully understood. This understanding is important in SLM to achieve acceptable propertie...

    Z. W. Chen, M. A. L. Phan, K. Darvish in Journal of Materials Science (2017)

  5. No Access

    Chapter and Conference Paper

    Influence of Stir Flow on Joint Quality During Friction Stir Lap Al-to-Cu Welding

    Discontinuity free interface region of Al-to-Cu lap joints are required for high mechanical strength and low electrical resistance. While discontinuity free Al-to-Cu lap joints are difficult to produce using f...

    D. Parningotan, M. Tarrant, Z. W. Chen… in Friction Stir Welding and Processing IX (2017)

  6. No Access

    Chapter and Conference Paper

    Friction Stir Lap Welding of Al and Mg Alloys: Deformation and Joint Strength

    Most studies on friction stir welding have been based on butt configuration and friction stir lap welding (FSLW) has received less attention. Joining with lap configuration is widely used in rail, automotive a...

    Z. W. Chen, S. Yasdanian in Proceedings of the 8th Pacific Rim Interna… (2016)

  7. No Access

    Article

    Effects of tool positioning on joint interface microstructure and fracture strength of friction stir lap Al-to-steel welds

    Friction stir lap welding (FSLW) experiments have been conducted to study the effects of tool positioning on microstructures formed in the Al-to-steel interface region and on joint strength, defined as maximum...

    Z. W. Chen, S. Yazdanian, G. Littlefair in Journal of Materials Science (2013)

  8. No Access

    Article

    Effects of friction stir lap welding parameters on weld features on advancing side and fracture strength of AA6060-T5 welds

    Friction stir lap welding experiments using a heat-treatable aluminium alloy and detailed analysis of the welds have been conducted to understand the various hooking-related features and their effects on factu...

    S. Yazdanian, Z. W. Chen, G. Littlefair in Journal of Materials Science (2012)

  9. No Access

    Article

    A Simple and Effective Route to Annihilate Defects in Nanocrystalline SnO2 Thin Films Prepared by Pulsed Laser Deposition

    Detailed computer modelling using finite-element analysis was performed for Si p-n junctions to investigate the effects of surface states and do** concentrations on surface band-bending, surface junction pot...

    Z. W. Chen, C. M. L. Wu, C. H. Shek, J. K. L. Lai… in MRS Online Proceedings Library (2008)

  10. No Access

    Article

    Controlled release of insulin from PLGA nanoparticles embedded within PVA hydrogels

    A simple and versatile delivery platform for peptide and protein based on physically cross-linked poly (vinyl alcohol) (PVA) hydrogels containing insulin-loaded poly (lactic-co-glycolic acid) (PLGA) nanopartic...

    J. Liu, S. M. Zhang, P. P. Chen, L. Cheng… in Journal of Materials Science: Materials in… (2007)

  11. No Access

    Article

    Morphological features of interfacial intermetallics and interfacial reaction rate in Al-11Si-2.5Cu-(0.15/0.60)Fe cast alloy/die steel couples

    Soldering reactions are commonly observed during high pressure die casting of aluminium alloys, and involve the formation and growth of interfacial intermetallics between the die and the cast alloy. It is gene...

    G. B. Winkelman, Z. W. Chen, D. H. St John, M. Z. Jahedi in Journal of Materials Science (2004)

  12. No Access

    Article

    Microporosity formation in partially melted zone during welding of high nitrogen austenitic stainless steels

    Gas tungsten arc welding experiments were conducted using austenitic stainless steel containing 0.51%N and 0.78%N. Microstructure observation and hardness measurement were made to study the loss of nitrogen. I...

    O. Kamiya, Z. W. Chen, Y. Kikuchi in Journal of Materials Science (2002)

  13. No Access

    Article

    Intermetallic phases formed during hot dip** of Low Carbon Steel in a Zn-5 Pct AI Melt at 450 °C

    The formation and growth of intermetallic phases during hot dip** of low carbon steel in a Galfan bath (5 wt pct Al-Zn plus 0.05 pct mischmetal) at 450 °C have been studied by using scanning electron microsc...

    Z. W. Chen, J. T. Gregory, R. M. Sharp in Metallurgical Transactions A (1992)

  14. No Access

    Chapter

    A Study of Fracture Behaviour of Steel in Metal Cutting

    The subject of this work is the fracture behavior observed in the chip formation process of carbon steel by SEM. It is found that metal cutting is a process of deformation and fracture of materials. Single — p...

    H. Z. Wu, Z. W. Chen in Fracture of Engineering Materials and Structures (1991)