Recent Research on Superplastic Forming of Metals and Alloys
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".
Deadline for manuscript submissions: closed (20 May 2024) | Viewed by 1589
Special Issue Editor
Interests: superplastic forming; Magnesium-lithium alloy; mechanical property of materials
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Superplasticity is the property exhibited by worked/processed metals and alloys which involve, under tensile loading, very high elongation without necking until failure. Superplastic forming (SPF) is mostly an excellent technique used for gas-forming complex-shaped sheet components based on superplastic metals. A major limitation of SPF is the slow forming time due to the material’s intrinsic characteristics. This long cycle time is not a problem for small-volume production as in the aero-industry, and SPF is very advantageous in forming Ti alloys which are hard to deal with using other manufacturing processes.
However, a car body using aluminum alloy sheets that adopt SPF can only be practical when a forming cycle time is reduced. Due to this demand, quick plastic forming (QPF) has evolved and General Motors Corporation led the way in developing models with AA5083, such as Chevrolet Malibu.
Quick plastic forming is essentially a pseudo-SPF process that uses a slightly lower processing temperature and higher gas pressure. In recent years, attempts to employ QPF in manufacturing consumer products other than car bodies, such as smart-phone cases, have been studied.
Concurrently, SPF and diffusion bonding (DB) are advanced technologies that can achieve a more novel structure. This SPF/DB process can successfully make hollow fan blades installed in airplane engines. Any other processed SPF/DB products are highly encouraged.
The main aim of this Special Issue is to present recent advances in the superplastic forming process.
This Special Issue includes high-quality original research papers, review papers, and case studies that deal with every aspect of SPF, QPF, and SPF/DB.
Prof. Dr. Shyong Lee
Guest Editor
Chu Chun Cheng
Guest Editor Assistant
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Keywords
- superplasticity
- metals and alloys
- superplastic forming
- quick plastic forming
- diffusion bonding
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