Effects of different multidirectional forging processes on the microstructure and three-dimensional mechanical properties of ultra-high strength aluminum alloys

The 7A85 aluminum alloy was forged in multiple directions at 470 °C via four-upsetting and three-cross-stretching (4U3CS), four-upsetting and three-octagon-stretching (4U3OS), and seven-upsetting and six-cross-stretching (7U6CS), three different forging processes. Thereafter, the alloy was treated w...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2021-10, Vol.826, p.141932, Article 141932
Hauptverfasser:	Wang, Dang, Yi, Youping, Li, Chen, Huang, Shiquan, He, Hailin, Zhang, Jingjing
Format:	Artikel
Sprache:	eng
Schlagworte:	7A85 aluminum alloy Aging (metallurgy) Alloys Aluminum Aluminum base alloys Anisotropy Deformation Dislocations Dynamic recrystallization Elongation Forging Grain refinement High strength alloys Lattice vacancies Mechanical properties Microstructure Microstructure evolution Multidirectional forging Nucleation Precipitation hardening Solid solutions Stretching Three-dimensional mechanical properties Ultimate tensile strength Upsetting Water quenching Yield strength
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