Reducing the anisotropy of a pre-twinned hot-rolled Mg–3Al–1Zn alloy by plane-strain compression

Deformation behavior upon two-step loading in a magnesium alloy sheet

“…conducted a test of precompression in the extrusion direction (ED), followed by compression in the normal direction (ND) in an extruded AM30 Mg alloy with a strong basal texture in the ND, and they investigated the work-hardening behavior such as yield strength, ultimate compressive strength and the twinning activities, including secondary twins and detwinning. Xu et al (2014) studied the generation of {10 1 2}-{10 1 2} double twins and their effect on work-hardening behavior under precompression in the rolling direction (RD), followed by compression in the transverse direction (TD) in a hot-rolled AZ31 Mg alloy sheet with a strong basal texture in the ND. Shi et al (2015) also examined the generation and role of {10 1 2}-{10 1 2} double twins under precompression in the RD, followed by compression in the TD in a hot-rolled commercial AZ31 alloy sheet with a strong basal texture in the ND.…”

Microstructural evolution and deformation behaviour of wrought Mg–Al–Zn alloys under dynamic compression

“…Since Mg alloys are often subject to high strain rate deformation in the practical automobile and aircraft application, many efforts have been devoted to studying Mg alloys at various temperatures. [12][13][14] However, dynamic deformation behaviour of Mg alloys under high strain rate with different initial orientation is still not well understood yet due to the complicacy of dynamic process. Recently, many works have been conducted on the plastic deformation of Mg alloys under high strain rate with the special focus on the tension-compression yield asymmetry, strain rate sensitivity and anisotropy of dynamic behaviour.…”

Microstructure Heredity of Inconel 718 Nickel-Based Superalloy during Preheating and Following Deformation

“…It has been well accepted that the nucleation of dynamic recrystallization for superalloy includes discontinuous DRX (DDRX) and continuous DRX (CDRX) δ phase shows clearly the pinning effect on the grain growth and stimulated the nucleation of dynamic recrystallization. Otherwise, few studies have been carried out to investigate microstructure evolution right after preheating which is more consistent with actual production.The detailed investigation of microstructure evolution during TMP is usually conducted using isothermal tests based on uniaxial compression [2,[28][29][30], uniaxial tensile [31,32], torsion [33][34][35], and plane strain compression [36][37][38][39]. Workpieces are firstly annealed to ensure the initial homogeneous microstructure [40].…”