Higher fraction of basal slip

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Web25 de set. de 2024 · When basal friction is present, we observe a smooth crossover between the two regimes as a function of packing fraction, and we find that reducing the … Web11 de abr. de 2024 · In addition, Fig. 2 presents the average Schmid factor (SF) values for basal slip, prismatic slip and pyramidal slip along different directions in 0Mn and 1Mn alloys before the creep tests. Evidently, the SF values are very close in these two alloys since the loading direction is the same regardless of the slip system, indicating that grain …

CRSS of basal and prismatic slip systems estimated using

Web6 de dez. de 2024 · At the strain of 5%, the fraction of basal slip is up to 94–96% in the three plates. At the strain of 13%, the fraction of basal slip is also up to 94% in AZ31. Although … Web13 de jul. de 2016 · In addition, the high fraction of randomly-oriented fine grains (DRX grains) obtained by the cross-shear deformation, led to a weak basal texture in the sample deformed by route D. Due to the ... inc/config.inc.php

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Web20 de jan. de 2024 · As we can see, the higher basal texture intensity was noted for AZ61 sheets processed at both speed ratios. It has been also shown that a slight splitting of basal poles has occurred for TZ61 sheets, while there was no … WebFor basal slip we obtain a much higher Peierls barrier (5–10 times), trapping coefficient (two orders of magnitude) and activation barrier (one order of magnitude) than those for … in cabinet tv pull out mount

Revealing the role of pyramidal slip in the high …

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WebThe enhanced stretch formability is mainly attributed to a reduction of the basal texture intensity and a development of the transverse direction (TD)-split texture: a split of the basal planes toward the TD about 35ﾂｰ from the normal direction (ND).5,6,8,10ﾂｭ12)Previous studies have shown the principal effects of special element addition to … Web12 de out. de 2024 · The present work mainly investigated the effect of extrusion temperatures on the microstructure and mechanical properties of Mg-1.3Zn-0.5Ca (wt.%) alloys. The alloys were subjected to extrusion at 300 °C, 350 °C, and 400 °C with an extrusion ratio of 9.37. The results demonstrated that both the average size and volume … inc/accWeb11 de fev. de 2011 · There is an increase in the volume fraction of the Ecomponent while that of the Bcomponent fluctuates with increasing strain. On the other hand, the volume fractions of the Mand Dcomponents tend to saturate beyond a strain of ε = 0.1. inc001btbk-a

"Web3 de abr. de 2024 · Experiments are conducted with a ring-shear device designed to study glacier slip over hard or soft beds.This device rotates a horizontal ring of ice (0.9 m in outside diameter, 0.2 m wide, and ~0.2 m thick) at a steady velocity and under a prescribed effective stress of the order expected in natural glaciers across a till bed, while the … " - Higher fraction of basal slip

Higher fraction of basal slip

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WebFigure 3 (a) shows the prismatic and basal Schmid factor distributions demonstrating that there is a slightly higher fraction of grains well aligned for basal than prismatic slip. It … Web15 de mar. de 2024 · A quite high fraction of basal slip (65.9%) is seen in TD-tension, together with a portion of {10 1 ¯ 2} twinning (7.5%). In contrast, a much higher fraction …

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WebWith further straining, basal slip attains a non-negligible relative activity of 25%, higher than pyramidal slip. Neither twinning mode was activated. Correlating this result with texture evolution, we find that basal slip is responsible for concentrating the basal poles 30–50° from the ND direction in the ND-TD plane. Web1 de ago. de 2024 · The present review deals with the evolution of texture during the most important severe plastic deformation processes, namely Equal Channel Angular Pressing (ECAP), High Pressure Torsion (HPT), Friction Stir Processing (FSP), Accumulative Roll Bonding (ARB) and Multi-Axial Forging (MAF).

Web13 de mar. de 2024 · The statistical data in Figure 7 a show that the number fraction of transferred slips across grain boundaries has a high proportion of above 80%. … Web12 de ago. de 2024 · The UFG specimens exhibited high strength ... 10–11> twinning was dramatically suppressed, while non-basal slip systems ... Further deformation to a strain of 0.08, the area fraction ...

WebHere, the black bars shows the number fraction of all grains analyzed by EBSD before the tensile tests; the highest Schmid factor for BS in each grain was used for the sorting. … Web30 de jan. de 2024 · At a given stress, the creep of polycrystalline ice is 10 2 to 10 3 times slower than that of single crystals oriented for basal slip and Weertman suggests that this is due to the resolved shear stress on the basal plane of any grain in a polycrystalline aggregate being smaller than the applied stress.

slip is higher, including {1010}< 1210> and {1011}<1210> slip systems, so the LPSO phase deforms upon non-basal

WebNovel Mg (0.58, 0.97, 1.98 and 2.5) vol. % TiN nanocomposites containing titanium nitride (TiN) nanoparticulates of ~20 nm size are successfully synthesized by a disintegrated … inc003aubkWeb1 de jan. de 2024 · This fact confirms again that the prismatic-to-basal slip mode transition is a result of a higher CRSS for basal slip, which is analogous to slip in BCC materials. … in cabinet unvented exhaustWeb5 de jul. de 2024 · Basal slip traces that were formed by shearing of single set of parallel slip planes were observed on the lateral surface of the micropillar. The typical stress … inc002qcbk-aWeb22 de jan. de 2014 · The fraction of 57° compression twins at the rolling pass number of 4 is 7 %, which is even higher than that (3 %) of 85° tensile twins. The development of a basal orientation component might be one reason for … inc/forbesWeb23 de fev. de 2024 · Higher strength is achieved in γ′ precipitates containing alloy due to the more effective strengthening induced by dense nanoscale γ′ precipitates than LPSO phases as well as the higher volume... in cahoots band nhWeb10 de abr. de 2024 · The effects of low Sn (1.0 wt%) and Mn (0.5 wt%) content on the microstructures and mechanical properties of as-extruded Mg–2Al–1Zn (AZ21) alloys were systematically investigated. The combined addition of Sn and Mn significantly refined the grains of the AZ21 alloy, reducing the average grain size from 25.77 to 2.17 μm. The … in caelum fero translateWebFig. 1 Slip traces of non-basal slip observed in (a) the Mg 89Zn 4Y 7 high-volume-fraction LPSO phase extruded alloy specimen deformed at RT to ³2% plastic strain, and (b) the … inc00805734