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Kurdjumov-sachs k-s orientation relationship

Web闫海乐，黄晓明，杨 波，李宗宾，赵 骧，左 良(东北大学 材料各向异性与织构教育部重点实验室，辽宁 沈阳 110819)1 前 言Heus WebKurdjumov and Sachs postulated a double shear mechanism that was consistent with their K-S orientation relationship (Kurdjumov and Sachs, 1930), and Nishiyama derived a mechanism involving a similar shear on a {111} F plane combined with a second … There are known to be at least five crystallographic orientation relationships …

Martensite in Steels - University of Cambridge

WebDec 1, 1993 · The reverted austenite phases were also observed, in addition to {eta}-Ni {sub 3}T precipitates which have two specific orientation relationships known as Kurdjumov-Sachs (K-S) orientation relationship and Nishiyama-Wassermann (N-W) orientation relationship, with the martensitic matrix during aging at a temperature above 550 C. WebThe orientations of both the parent and product phases were measured and the orientation relationships are represented in Rodrigues-Frank (R-F) space. From the orientation of a particular FCC crystal, the crystallographic orientations of the product BCC crystals can be predicted according to the Bain, Kurdjumov-Sachs (K-S) and Nishiyama ... from cone to pine tree https://smsginc.com

EBSD imaging of orientation relationships and variant groupings in …

Web1 day ago · The results reveal that both the Kurdjumov–Sachs and Nishiyama–Wasserman relationships are present in the material in equal fractions and some specific variants are formed in the sample subjected to longer austempering. ... The Euler angles of austenite are used to plot variants corresponding to K-S orientation relationship and ... WebMar 1, 2024 · A theoretical investigation of orientation relationships and transformation strains in steels Acta Crystallogr A Found Adv. 2024 Mar 1;73 (Pt 2):115-123. doi: 10.1107/S2053273316020350. Epub 2024 Feb 7. Authors K Koumatos 1 , A Muehlemann 2 Affiliations 1 Department of Mathematics, University of Sussex, Pevensey 2 Building, … WebJul 1, 2024 · This model stipulates that the more frequently observed K-S and N-W ORs arise from a progressive variant reorientation during the growth of the nucleus, due to the … from config import

Crystallographic orientation relationships among {eta}-Ni{sub 3}Ti ...

Category:Definition of 24 variants in the K-S orientation relationship

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Kurdjumov-sachs k-s orientation relationship

arXiv:1604.05270v2 [cond-mat.mtrl-sci] 21 Jun 2016

WebExplore 32 research articles published on the topic of “TRIP steel” in 2005. Over the lifetime, 1450 publication(s) have been published within this topic receiving 23252 citation(s). WebOrientation relationship is systematically deviated between near Greninger–Troiano and Nishiyama–Wasserman orientation relationships around variant boundaries of the …

Kurdjumov-sachs k-s orientation relationship

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WebMar 1, 2024 · The identification of orientation relationships (ORs) plays a crucial role in the understanding of solid phase transformations. In steels, the most common models of … WebFeb 6, 2024 · These boundaries corresponded to the Kurdjumov–Sachs (K-S) and Nishiyama–Wasserman (N-W) orientation relationships between retained austenite and martensite. ... A fraction of grain boundaries showing the Kurdjumov–Sachs (K-S) and Nishiyama–Wasserman (N-W) relationships was estimated as 14%, whereas the amount …

WebOrientation relationship (OR) is a crucial factor affecting the performance of the phase boundaries and the dual-phase metals. Molecular dynamics simulation is performed to … http://sro.sussex.ac.uk/66965/1/acta_paper.pdf

WebThe directed growth results in the Kurdjumov-Sachs orientation relationship between austenite and ferrite, ... Although 27182 couples of α/γ grains were analyzed, the … WebOct 4, 2011 · •The Kurdjumov-Sachs (KS) relationship is specified as {110}bcc/ {111}fcc, <111>bcc//<101>fcc. •These two differ by only a 5.6° rotation in the interface plane. Wiki …

WebDec 11, 2003 · The study aimed to identify a moderate degree of Ce addition to improve the toughness in the simulated coarse-grained heat-affected zone (CGHAZ) of high-strength low-alloy steels, based on the effect of the Ce content on particle characteristics, microstructure and impact toughness. Three steels with 0.012 wt.%, 0.050 wt.% and 0.086 …

WebApr 12, 2024 · Ku rdju m ov–Sachs (K S), Ni shi y am a–Wasserm an (NW), Gr eninger–Troiano (GT), Pit sch a n d exper- imentally obtai n ed data exemplarily shown for Fe NiCSi, showing the ref e rence ... from concord ma to haverhill maWebSep 1, 2004 · The orientation relationship (OR) between fee and bee lattices are described by crystallographic fundamentals using the example of Kurdjumov-Sachs (K-S) and … from config import configWebThe identi cation of orientation relationships (ORs) plays a crucial r^ole in the understanding of solid phase transformations. In steels, the most common models of ORs are the ones … from config import config parserWebIn their paper of 1930, Kurdjumov and Sachs describe the orientation relationship between austenite and martensite not only in terms of the well-known parallelism reproduced … from config import config as confWebDec 9, 2024 · In addition, the globular reversed austenite preferentially grew into the adjacent austenite grain that held no Kurdjumov-Sachs (K-S) orientation relationship with it, which effectively refined the coarse prior austenite grains and increased the density of high angle grain boundaries. from config import exWebNov 18, 2024 · The relative orientations of the bainitic ferrite and its parent austenite are always close to the classic KS ( Kurdjumov-Sachs, 1930) and NW ( Nishiyama-Wasserman, 1934) relationships (Fig. 2.16), although as will become evident later, they can never be exactly KS or NW. from config import get_configWebMay 1, 2024 · The orientation relationship (O.R.) between M 23 C 6 carbides and matrix has been studied in numerous researches. The M 23 C 6 carbides formed in austenite maintain a parallel orientation, also known as cube-on-cube O.R., with the matrix [ 6, 7, 13 ]. from config import config_dict