Abstract
Three pure elemental powder mixtures of Zn–22%Al – 18 %Cu, Zn–5 %Al–11 %Cu, and Zn–27%Al –3%Cu (in wt.%) were mechanically alloyed by steel-ball milling processing. The mechanical alloying characteristics were investigated using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy techniques. It was explored that mechanical alloying started with the formation of phases from pure elemental powders, and this was followed by mechanical milling-induced phase transformation. During mechanical alloying, phases stable at the higher temperatures formed at the near room temperature of milling. Nano-structure Zn–Al-based alloys were produced by mechanical alloying.
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The authors would like to express their thanks to L. Banos, T. S. Zhang, A. Caballero, and J. Guzman for their assistance in the experimental work, also to the DGAPA de UNAM, and the research committee of the Hong Kong Polytechnic University (Project No. G-YY11) for financial support. Part of the experimental work was carried out in ESIQIE, IPN, to which the authors would like to express their gratefulness.
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© 2001 Carl Hanser Verlag, München
Artikel in diesem Heft
- Frontmatter
- Editorial
- In memoriam
- The Ringberg Workshop 1999 on Thermodynamic Modelling and Applications
- Aufsätze/Articles
- Using Ab Initio Calculations in the Calphad Environment
- Contributions to the Thermodynamic Modelling of Solutions
- Thermodynamic Modelling of Oxide and Oxynitride Phases
- The Modelling of Carbide, Nitride and Carbo-Nitride Phases
- Amorphous Phases in Materials Microstructure
- Experimental and Theoretical Study of the Al-Rich Corner in the Ternary Al–Ti–B System and Reassessment of the Al-Rich Side of the Binary Al–B Phase Diagram
- Evaluation of Superplastic Formability of the AZ31 Magnesium Alloy
- Characteristics of Mechanical Alloying of Zn–Al-Based Alloys
- The Effect of Sputter Cleaning and TiN Coating after Sputter Cleaning on Tensile and Fatigue Behavior of a Nodular Cast Iron
- Nucleation of Iron Nitrides during Gaseous Nitriding of Iron; Effect of a Preoxidation Treatment
- Structure Formation of Activated Nickel Catalyst During Caustic Leaching of a Nickel–Aluminium Alloy
- Experimental Study on the Electrical Conductivity and Thermo-Electromotive Force of Liquid Pb–Mg-Based Alloys
- Interfacial Reactions between the Aluminium Alloy Matrix and Intermetallic Reinforcement Particles in Novel P/M 5056/Ni3Alp Composites
- Microstructure and Devitrification Behavior of Melt-Spun Al-Rich Metallic Glasses and Nanostructured Composites
- Mitteilungen/Notifications
- Personelles/Personal
- Bücher/Books
- Tagungen/Conferences
Artikel in diesem Heft
- Frontmatter
- Editorial
- In memoriam
- The Ringberg Workshop 1999 on Thermodynamic Modelling and Applications
- Aufsätze/Articles
- Using Ab Initio Calculations in the Calphad Environment
- Contributions to the Thermodynamic Modelling of Solutions
- Thermodynamic Modelling of Oxide and Oxynitride Phases
- The Modelling of Carbide, Nitride and Carbo-Nitride Phases
- Amorphous Phases in Materials Microstructure
- Experimental and Theoretical Study of the Al-Rich Corner in the Ternary Al–Ti–B System and Reassessment of the Al-Rich Side of the Binary Al–B Phase Diagram
- Evaluation of Superplastic Formability of the AZ31 Magnesium Alloy
- Characteristics of Mechanical Alloying of Zn–Al-Based Alloys
- The Effect of Sputter Cleaning and TiN Coating after Sputter Cleaning on Tensile and Fatigue Behavior of a Nodular Cast Iron
- Nucleation of Iron Nitrides during Gaseous Nitriding of Iron; Effect of a Preoxidation Treatment
- Structure Formation of Activated Nickel Catalyst During Caustic Leaching of a Nickel–Aluminium Alloy
- Experimental Study on the Electrical Conductivity and Thermo-Electromotive Force of Liquid Pb–Mg-Based Alloys
- Interfacial Reactions between the Aluminium Alloy Matrix and Intermetallic Reinforcement Particles in Novel P/M 5056/Ni3Alp Composites
- Microstructure and Devitrification Behavior of Melt-Spun Al-Rich Metallic Glasses and Nanostructured Composites
- Mitteilungen/Notifications
- Personelles/Personal
- Bücher/Books
- Tagungen/Conferences