ライフサイエンスコーパス: twinning

1 effect of crystal orientation on deformation twinning.

2 ientations to reach the threshold stress for twinning.

3 mixed cross-sectional shapes and occasional twinning.

4 of Asc into ovaries phenocopied DHAR-induced twinning.

5 location glide and a very active {111} micro-twinning.

6 small (<4 nm) PbS nanocrystals exhibited no twinning.

7 ments, despite the presence of nonmerohedral twinning.

8 ring phase transformation can induce crystal twinning.

9 ons that might have been responsible for the twinning.

10 s of new phenotypes and recent insights into twinning.

11 ication of adiabatic shear bands, cracks, or twinning.

12 r double ovulation rather than selection for twinning.

13 restore mirror symmetries via interlayer CDW twinning.

14 own Bi(2)Se(3) with reduced crystallographic twinning.

15 d by the activation of prevalent deformation twinning.

16 termediate between monozygotic and dizygotic twinning.

17 can enhance dislocation pinning and promote twinning.

18 statistically significant increased risk of twinning.

19 g-fault energy at 0K and high propensity for twinning.

20 nd irregular spacing of ovules or even ovule twinning.

21 tallographic model) and (2) crystallographic twinning.

22 ional plastic deformation mode comparable to twinning.

23 The structure is further complicated by twinning.

24 tly affects their formability is deformation twinning.

25 cation activity and deformation-induced nano-twinning.

26 he excess mechanical energy is dissipated by twinning.

27 pating phases and compatibility matrices for twinning.

28 es random orientation) with a high degree of twinning (45%) of the aragonite grains.

29 (co)variation in survival, reproduction, and twinning across six age-sex classes in a Soay sheep popu

30 the accommodation obtained through slip (and twinning) alone has been considered in the mechanism kno

31 two-fold symmetries that indicate merohedral twinning along the crystallographic c axis.

32 tment of small Au seeds results in extensive twinning and a subsequent drastic improvement in the yie

33 nce of natural selection, and directly model twinning and chimerism when performing inference of the

34 We find that the competition between twinning and dislocation slip can be mediated by loading

35 icate nature of coupling between deformation twinning and displacive omega transformation.

36 lve the FSHB locus in the GWAS for dizygotic twinning and further leverage this framework to find sch

37 dered on the atomic scale, although numerous twinning and intergrowth defects as well as antiphase bo

38 ure deformation processes such as mechanical twinning and may be relevant for the dynamics of tectoni

39 We resolve this paradox by showing that twinning and non-twinning are not competing strategies;

40 In conclusion, twinning and periconceptional undernutrition are associa

41 tates, compared to a perfect single crystal, twinning and piecewise linear defects are commonly obser

42 c pool size, affects the rate of monozygotic twinning and polycotyly.

43 trast, concave polyhedrons are a hallmark of twinning and polycrystallinity and are typically inconsi

44 face topology studies and the observation of twinning and preferential orientation in bcc-AB(6) on th

45 Our experiments reveal twinning and related lattice rotation occurring on the t

46 e first example of gene-directed monozygotic twinning and shows that Asc regulates cell polarity duri

47 tion, despite the common association between twinning and strong shocks, we find a transition from tw

48 arable with those of developed countries via twinning and telemedicine.

49 ies between neighboring grains and can favor twinning and thus increase the MFIS.

50 h direction, branching and kinking, periodic twinning, and crystal structure.

51 Partial and perfect dislocations, twinning, and debris from dislocation interactions are f

52 and non-basal dislocation slip, deformation twinning, and hetero-deformation-induced geometrically n

53 dislocation pathways in slip, faulting, and twinning, and increases the lattice friction to dislocat

54 location slip (stacking faults), deformation twinning, and phase transformation as observed in experi

55 ps, precipitation strengthening, deformation twinning, and reversible martensitic phase transformatio

56 accumulation, grain refinement, deformation twinning, and texture control or dislocation pinning by

57 from crystals exhibiting perfect hemihedral twinning, and the details of structure determination are

58 This results in joint activation of twinning- and transformation-induced plasticity (TWIP an

59 This paralogous "twinning" appears to be under selection, perhaps to incr

60 his paradox by showing that twinning and non-twinning are not competing strategies; instead, dizygoti

61 Generation and motion of dislocations and twinning are the main mechanisms of plastic deformation.

62 terials, martensite formation and mechanical twinning are tuned via composition adjustment for realiz

63 These data clearly do not support twinning as a substantial risk factor in the etiology of

64 provides direct observations of deformation twinning as well as new insights into the deformation me

65 egulate the relative activities of slips and twinning, as a result, overcome the inherent limitations

66 anowires exhibit polycrystalline and crystal twinning at different areas along the nanowire axis, wit

67 mulations reveal a transition from crack-tip twinning at short times to full dislocation formation at

68 Hierarchical twinning, at multiple length scales, was noted in a meta

69 mulations are carried out to investigate the twinning behavior as well as the atomic scale micromecha

70 findings provide a strategy for engineering twinning behavior in colloidal systems with and without

71 The twinning behavior is observed through nucleation of a pa

72 ted slip systems, alter dislocation slip and twinning behavior, affect where and how voids are nuclea

73 ers often have elevated fitness, but despite twinning being heritable, twin births occur only at low

74 to pore-like microstructures along the {012} twinning boundary in the bulk of the particles, which co

75 ndary motion mimics conventional deformation twinning but is distinct from the latter and, as such, b

76 elationship akin to that of the conventional twinning, but without a crystallographic mirror plane, a

77 A higher polygenic risk score (PRS) for DZ twinning, calculated based on the results of the DZ twin

78 rain size alone cannot explain many observed twinning characteristics.

79 undetected by X-ray diffraction because the twinning complexity renders differences in anomalous dis

80 cilitates observations of different types of twinning: contact, polysynthetic, and cyclic.

81 lly induced strain, lattice distortions, and twinning could have important contributions in the MIT t

82 Minimizing the twinning defect reveals strong NLO response currents who

83 The lone factor for twinning dependent on grain size is the stress necessary

84 rnated crack tip blunting, crack deflection, twinning/detwinning and slip transmission across the CTB

85 This study presents a twinning disconnection-based model for faceting in singl

86 Primary twinning disconnections predicted via symmetry arguments

87 ations, the atomic shuffles accompanying the twinning disconnections proceed on alternative basal pla

88 ts can be produced by the action of tertiary twinning disconnections.

89 twin boundaries via the action of secondary twinning disconnections.

90 winning is dominated by the (b(1/2), h(1/2)) twinning disconnections.

91 Though the twinning shear that is carried by twinning dislocations has been captured for decades, dir

92 r, the coherent twin boundaries propagate by twinning dislocations.

93 lity of the edge and screw components of the twinning dislocations.

94 icted to stochastic processes occurring post-twinning during embryonic development and early life.

95 in the twinning probability, we showed that twinning energy in a nanocrystal superlattice is strongl

96 served in silver nanoparticles with fivefold twinning even at ambient conditions.

97 cation after X inactivation, whereas a DC-MZ twinning event occurs earlier, before or around the time

98 Deformation twinning evolution from a single crystal is conducted by

99 Additionally, we find that nanocrystal twinning exerts a profound influence on the kinetics of

100 tructure of the crystals that by icosahedral twinning form the quasicrystal.

101 ar cancer among young men and alterations in twinning frequency.

102 Twinning frequently occurs in nanocrystals during variou

103 g, calculated based on the results of the DZ twinning GWAS, was significantly associated with DZ twin

104 Deformation twinning has been well documented in face-centred cubic

105 e size (~ 10 nm) but with different interior twinning (i.e., NP "pseudoisomers") by exaggerating thei

106 loys and the nature of nonidealities such as twinning (icosahedral cores) and atomic segregation that

107 generally accepted that the impurity-induced twinning (IIT) mechanism and the twin plane re-entrant e

108 Twinning in aluminium, although difficult, may occur at

109 and previous simulations and models predict twinning in aluminium, where it has never been observed.

110 lutions on the grain scale, and report {110} twinning in an iron-depleted bridgmanite, a mechanism th

111 using the concepts of recrystallization and twinning in austenite during annealing and/or aging, and

112 mistic simulations, we find that deformation twinning in BCC Ta nanocrystals larger than 15 nm in dia

113 nce of features such as grain boundaries and twinning in DNA superlattices and traditional crystals c

114 basal pyramidal <c + a> slip and deformation twinning in epsilon phase of transformative HEAs.

115 xperimental evidence suggests that crack-tip twinning in face-centred-cubic (f.c.c.) metals is highly

116 the grain refinement suppresses deformation twinning in FCC metals and alloys, the number density of

117 capture the atomic mechanism of the (112 1) twinning in hexagonal close packed rhenium nanocrystals.

118 ntrast to that in cubic-structured crystals, twinning in hexagonal close-packed crystals requires ato

119 g GWAS, was significantly associated with DZ twinning in Iceland (p = 0.001).

120 f twins (I and II) have been categorized for twinning in minerals and metals.

121 on the effects of grain size on deformation twinning in nanocrystalline fcc metals.

122 the nucleation and propagation mechanisms of twinning in nanocrystals remain poorly understood.

123 millisecond temporal resolution, we show the twinning in Pb individual nanocrystals via a double-laye

124 vations that provide evidence of deformation twinning in plastically deformed nanocrystalline aluminu

125 phisms in GDF9 and BMP15 are associated with twinning in sheep.

126 as complicated by the presence of merohedral twinning in the crystals.

127 We also observe CSRO-mediated twinning in the medium-entropy alloys, that is, twinning

128 odelling of disorder in delta-Al(2) O(3) and twinning in theta-Al(2) O(3) and show that explicitly ac

129 Twinning induced by Asc was developmentally limited to t

130 Despite crystal twinning induced by phase transitions, CsPbCl(3) crystal

131 understood; as compared to dislocation slip, twinning induced plasticity (TWIP) and TRIP.

132 ultrafine-grained (UFG) metals including UFG twinning induced plasticity (TWIP) steels have been foun

133 Metastable alloys with transformation-/twinning-induced plasticity (TRIP/TWIP) can overcome the

134 ze TEM videos of crystal defect evolution in Twinning-Induced Plasticity (TWIP) steels with different

135 Twinning-induced plasticity (TWIP), transformation-induc

136 metals, and provides insights for exploiting twinning-induced plasticity and breaking strength-ductil

137 It has been generally believed that twinning-induced plasticity in body-centered cubic (BCC)

138 we report a way of enhancing the strength of twinning-induced plasticity steel at no ductility trade-

139 of UFG structures in a typical Fe-22Mn-0.6C twinning-induced plasticity steel by minor Cu alloying a

140 After applying torsion to cylindrical twinning-induced plasticity steel samples to generate a

141 Exceptions include materials exhibiting twinning-induced plasticity.

142 We added chemical reagents as a twinning inhibitor to the CFPC solution, which enabled u

143 ke the classical twinning route, deformation twinning initiated through the formation of two stacking

144 t 3D in situ characterization of deformation twinning inside an embedded grain over mesoscopic fields

145 the framework and the formation of multiple twinning interfaces and antiphase defects, which are eff

146 ucture, refined to 2.3 angstroms taking this twinning into account, is different from earlier models,

147 This finding supports the hypothesis that twinning is a by-product of selection for double ovulati

148 Twinning is a fundamental deformation mode that competes

149 Twinning is a prominent deformation mode that accommodat

150 n the grain boundary density through crystal twinning is achieved during the steam pretreatment and o

151 Although nanoscale twinning is an effective means to enhance yield strength

152 Twinning is an essential mode of plastic deformation for

153 Twinning is commonly activated in plastic deformation of

154 Here we show that the propensity for twinning is dependent on the applied stress, grain orien

155 Results show that the (112 1) twinning is dominated by the (b(1/2), h(1/2)) twinning d

156 hat nucleation of the predominant {1 0 -1 2} twinning is initiated by disconnections on the Prismatic

157 Such deformation twinning is pseudoelastic, manifested through reversible

158 Here, we show that MZ twinning is strongly associated with a stable DNA methyl

159 copy and atomistic simulations, we show that twinning is the dominant deformation mechanism in nanosc

160 not competing strategies; instead, dizygotic twinning is the outcome of an adaptive conditional ovula

161 dislocation hardening, as well as mechanical twinning leads to a high work hardening rate, which is s

162 in contrast to coarse-grained Al, mechanical twinning may play an important role in the deformation b

163 ion in the nucleation- and growth-controlled twinning mechanism in BCC metals, and provides insights

164 ualization of a long-proposed but unverified twinning mechanism.

165 ed UFG specimens changed the deformation and twinning mechanisms in the TWIP steel.

166 ble implications on our understanding of how twinning mediates the plastic response of microstructure

167 raction (EBSD) based statistical analysis of twinning microstructures and crystal plasticity modeling

168 DZ twinning might index increased fertility and has distinc

169 3D reconstructions, conventional 2D views of twinning miss key aspects of the microstructure includin

170 ovide high-resolution direct evidence of the twinning nucleation mechanism in HCP crystals.

171 ron microscopy, we directly show a dual-step twinning nucleation mechanism in HCP rhenium nanocrystal

172 ependent on an explicit understanding on the twinning nucleation mechanism in hexagonal close-packed

173 Spontaneous dizygotic (DZ) twinning occurs in 1%-4% of women, with familial cluster

174 nning in the medium-entropy alloys, that is, twinning occurs in energetically unfavoured CSRO regions

175 itment to X inactivation suggests that MC-MZ twinning occurs three or four rounds of replication afte

176 ics simulations to demonstrate that fivefold twinning occurs through repeated oriented attachment of

177 al for the development of ubiquitous Digital Twinning of composite materials in future smart cities a

178 ature phase has remained contentious because twinning of crystal domains hampers diffraction studies

179 can account for the experimentally observed twinning of insect embryos upon egg fragmentation and mi

180 polycrystals due to incompatibilities during twinning of neighboring grains and the resulting interna

181 his type of interaction can lead to vertical twinning of the Dirac cone, whereby the hybridized non-s

182 We observe twinning of two-dimensional (2D) rhombic colloidal cryst

183 gher than expected prevalence of monozygotic twinning, of assisted reproductive technology among pare

184 The [511] orientations are the result of twinning on [111] planes.

185 pseudo-tetragonal cell that favors multiple twinning on a scale of a few tens of nanometers.

186 This study investigated the effect of twinning on adrenocortical responsiveness to either the

187 Twinning on the plane is a common mode of plastic deform

188 Twinning, on par with dislocations, is critically requir

189 entified robust genetic risk variants for DZ twinning: one near FSHB and a second within SMAD3, the p

190 Through identification of the twinning operator and determination of the twin fraction

191 optical frequency conversion without poling, twinning or other engineered domain inversions.

192 rmation (via lattice-invariant shears, as in twinning or slip) is no higher than the barrier to the p

193 Either risk factors (related to twinning or to fetal development) or other factors (gene

194 ominated by dislocation slip and deformation twinning, our in situ straining transmission electron mi

195 Such high stresses are thought to favour twinning over dislocation slip.

196 tween gestational age at birth, birth order, twinning, parental age, or parental education and Hodgki

197 to be accomplished through the formation of twinning partial dislocations on consecutive atomic plan

198 n growth, resulting from slow advancement of twinning partials along the boundaries of finite-sized t

199 - which has shaped both hypotheses about why twinning persists and varies across populations, and the

200 caps and overexpression of FoxF1 can rescue twinning phenotypes, which results from the elimination

201 along the twin shear direction (eta(1)), the twinning plane normal (TPN) view (k(1)) and the 'bright

202 here twin boundaries are not parallel to the twinning plane, and the degree of instability is in dire

203 nt basal/prismatic interfaces instead of the twinning plane.

204 steps, or by faster glide-shuffle along the twinning plane.

205 eviations of the boundaries from the primary twinning planes are measured.

206 undaries have been shown to deviate from the twinning planes in hcp metals, and facets have often bee

207 re, followed by protrusion of branches along twinning planes.

208 ation of seed crystals, which should produce twinning planes.

209 To explain such a dramatic difference in the twinning probability, we showed that twinning energy in

210 Dizygotic twinning probably involves high hormone concentrations,

211 Two recent studies suggested that the twinning process itself is an important risk factor in t

212 ctivation does not play a direct role in the twinning process, and it further suggests that extreme u

213 us to develop a quantitative picture of the twinning process.

214 nucleated without a mandatory layer-by-layer twinning process.

215 After the twinning program was established in 2003, the mortality

216 e early and later stages of implementing the twinning program.

217 unique soccer-based prison intervention, the Twinning Project.

218 of twinning reveals that mothers with higher twinning propensity - a physiological predisposition to

219 The fundamental understanding of twinning provides a pathway to understand deformation fr

220 Because MZ twinning rarely runs in families, the leading hypothesis

221 e fertility accords with a falling dizygotic twinning rate during the same period.

222 the increase and subsequent decrease in the twinning rate with maternal age that is observed across

223 in some combatant countries, dizygotic (DZ) twinning rates (which also reportedly vary with coital r

224 stood in humans, but recent near-doubling of twinning rates in many countries since 1980, secondary t

225 Twinning rates may thus be driven by variation in its mo

226 evolution gap between the molecular multiple-twinning regime and the bulk-metal-like particles with u

227 ed, originating mainly from double twins and twinning-related shear bands consisting of compression a

228 Neural tube defects, harms of treatment (twinning, respiratory outcomes).

229 DHAR-induced twinning resulted from altered cell polarity and longitu

230 for variation in the exposure to the risk of twinning reveals that mothers with higher twinning prope

231 Unlike the classical twinning route, deformation twinning initiated through t

232 boundaries with tension-compression-tension twinning sequence, no commensurate facets can be produce

233 Though the twinning shear that is carried by twinning dislocations

234 Twinning should thus be highly unfavorable in face-cente

235 phase but exhibit significant transformation twinning similar to that seen in martensitic alloys.

236 arge strength enhancement at nanometer-scale twinning size where a strength reduction is normally exp

237 ons inside oversized cages and as well as to twinning, stacking faults and antiphase boundary defects

238 Critical twinning stress of cadmium zinc telluride (CdZnTe or CZT

239 vement in twin nucleation, owing to elevated twinning stress under quasi-static testing.

240 n of a thermodynamically-stable intermediate twinning structure.

241 inhomogeneous with respect to their internal twinning structures (e.g., single crystalline, multiply

242 ed structure through activation of different twinning systems.

243 n network forms from the activation of three twinning systems.

244 Twinning takes place in loading, and detwinning occurs i

245 d titanium rely critically on a control over twinning that remains elusive to date and is dependent o

246 ead, another mechanism, known as deformation twinning (the sudden re-orientation of the crystal latti

247 Dizygotic twinning, the simultaneous birth of siblings when multip

248 gold-copper alloy nanocrystals with fivefold twinning, the size of which can be tuned in the range fr

249 th the deformation-driven transformation and twinning, these factors lead to satisfactory work harden

250 deficient nanocrystals spontaneously undergo twinning to a multi-domain structure.

251 These findings demonstrate twinning to be a structural handle for nanoscale materia

252 and strong shocks, we find a transition from twinning to dislocation-slip-dominated plasticity at hig

253 tes massive dislocation slip and deformation twinning to enable large plastic strains.

254 Multiple twinning to form fivefold twinned nanoparticles in cryst

255 ition (60 d before to 30 d after mating) and twinning to investigate changes in the key metabolic reg

256 on of multiple deformation mechanisms namely twinning, transformation-induced plasticity, and disloca

257 nto either category and instead form two new twinning types, namely, III and IV.

258 ized by twinned leucite crystals, whereas no twinning was observed in the specimens containing cubic

259 To gain insight into the timing of twinning, we have examined a closely related event, X-ch

260 The omega phase and twinning were identified by transmission electron micros

261 The abrupt occurrence of twinning when Mg is deformed leads to a highly anisotrop

262 basic mechanisms of plastic deformation are twinning (whereby crystallites with a mirror-image latti

263 can be reversibly modulated by ferroelastic twinning, which causes the material to function as a mul

264 including lattice distortions, tilting, and twinning, which indicate structural nonuniformity of bot

265 deformation geometries via crystallographic twinning, which instantly changes the GB dynamics and en

266 tion-dependent critical threshold stress for twinning, which is presented in the form of a generalize

267 Thus, twinning, which is usually associated with complex compo

268 a new class of materials exhibiting multiple twinning, while offering flexibility in designing interp

269 Electron microscopy revealed nanoscale twinning within the cubic diamond structure.