Grain Refinement and Mechanical Properties of Cast Alloys
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".
Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 13208
Special Issue Editor
Interests: cast and solidification; mechanical properties; magnesium alloys; precipitation hardening; grain refinement; aluminum alloy; electron microscopy
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Cast alloys are the most important engineering materials, mainly cast Al alloy, cast Mg alloy, cast Ti alloy, cast iron, cast steel, cast superalloy (Ni-based or Co-based), cast Cu alloy, and cast Zn alloy. Among these cast alloys, grain refinement plays an important effect in the solidification microstructure control and mechanical properties improvement. Especially, for the recycling cast alloys, grain refinement becomes more important to control solidification microstructure and improve mechanical properties. Grain refinement can be achieved via enhancing heterogeneous nucleation and increasing grain growth restriction. In addition, an external physical field (electromagnetic stirring, ultrasonic treatment) can be also used to achieve grain refinement. The benefits of grain refinement for cast alloy include reducing segregation (either microsegregation or macrosegregation), improving castability (increasing fluidity, decreasing hot tearing tendency), and mechanical properties (not only static tensile properties but also dynamic fatigue properties). Achieving grain refinement for cast alloys is therefore of great necessity to ensure the high performance of many different cast alloys.
In this Special Issue, all aspects of grain refinement and mechanical properties of cast alloys are welcome. Especially, recycling cast alloys is a special focus.
Dr. Jiehua Li
Guest Editor
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Keywords
- cast alloys
- grain refinement
- mechanical properties
- recycling
- castability
- fatigue properties
- heterogeneous nucleation
- grain growth
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