Tension-compression asymmetry
Web1 Aug 2024 · The molecular dynamics method was used to study the effect of temperature on the tension–compression asymmetry and Bauschinger effect of nano single crystal … Web6 Jan 2024 · Tension/compression asymmetry is directly related here to the observed refusal of screw dislocations to glide in the {112}AT directions under compression thus supporting the long assumed direct relationship between macroscopic tension/compression asymmetry and crystallographic T/AT slip asymmetry in BCC metals. Thus, our …
Tension-compression asymmetry
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Web13 Apr 2024 · These instabilities have long been studied in asymmetric devices, such as tokamaks; 11,12 11. M. D. Kruskal and M. Schwarzschild, Proc. R. Soc. A ... The tension force is caused by the helical winding of current around a torus. ... The compression due to the thermal pressure is shown in blue in the top row and the compression of the magnetic ... WebElevated temperature nanoindentation showed a reduction in the temperature sensitivity of hardness as individual layer thickness decreases (i.e. thinner layers retain strength better at elevated...
Web11 Apr 2024 · The approach for considering tension-compression asymmetry. Elastoplastic materials always exhibit different mechanical response under tension and compression, which is known as tension-compression (TC) asymmetry (Qiu et al., 2024). Therefore, in this paper, to enhance the generality of our data-driven model, an approach is proposed to … Web15 Dec 2024 · Plasticity of body-centered cubic tantalum with preexisting dislocations is investigated under $[001]$ uniaxial compression/tension loading using a molecular dynamic simulation method. At low temperature or high strain rate, twinning is the main deformation mechanism under both $[001]$ compression and tension. However, the twinning …
Web20 Oct 2011 · The single phase alloy also exhibited tension-compression asymmetry in creep, although it was observed to be less pronounced compared to the two phase alloy. … WebThe strategy can take into account the influence of the foam microstructure (density, cell anisotropy, ratio of bulk material between walls and struts, etc.) on the mechanical properties in...
Web2 days ago · The T-C asymmetry is closely correlated to the asymmetry in the critical resolved shear stress (CRSS) of active deformation modes (e.g., dislocation slip and twinning) between tension and compression. In our study, no twins were captured in the current MEA under either dynamic tension or compression even at very high strain rates.
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