Processing and properties of ultrafine-grained Mg-3Al-1Zn magnesium alloy microtubes fabricated via isothermal hot microforming of SPD processed precursors
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Tohid Khandani
Abstract
In the present paper, a new method for producing ultrafine grained microtubes of AZ31 magnesium alloy is proposed. The method consists of performing isothermal hot micro-backward extrusion on severe plastic deformation processed samples. One-pass equal channel angular pressing (ECAP) and cyclic extrusion compression angular pressing forward extrusion (CECAP-FE) were performed on an as-cast coarse-grained Mg-3Al-1Zn magnesium alloy before microtube fabrication. Microstructure and microhardness of the samples before and after micro-backward extrusion and deformation force during the fabrication process were studied. As a result, it was revealed that the proposed method performed on CECAP-FEed precursors could effectively produce ultrafine grained AZ31 magnesium alloy microtubes with excellent microhardness, good uniformity in shape, microstructure, and microhardness.
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Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Solidification processes of as-cast alloys and phase equilibria at 1 300 °C of the Nb–Si–V ternary system
- Compressive properties and energy absorption response of cBN added Al composite foams
- Deformation characteristics of Cu-30 % Zn alloy subjected to dynamic equal channel angular pressing (DECAP)
- Stress-based forming limit diagrams (SFLD) considering strain rate effect and ductile damage phenomenon
- Processing and properties of ultrafine-grained Mg-3Al-1Zn magnesium alloy microtubes fabricated via isothermal hot microforming of SPD processed precursors
- The effect of in-situ formed TiB2 particles on microstructural and mechanical properties of laser melted copper alloy
- Nanoindentation study on Al86Ni8Y6 glassy alloy synthesized via mechanical alloying and spark plasma sintering
- Synthesis of nanosized cadmium ferrite and assaying its magnetic and dielectric properties by analytical and physical techniques
- BN nanosheet modified SnO materials for enhancing photocatalytic properties
- Preparation of salt microparticles via the anti-solvent recrystallization process
- Short Communications
- CVD grown graphene on commercial and electroplated Cu substrates: Raman spectroscopy analysis
- DGM News
- DGM News
