The evolution of cluster of grains with ∑3n relationship in austenitic stainless steel

Fang, Xiaojun; Wang, Weiguo; Cai, Zhiyong; Qin, Congxiang; Zhou, Bangxin

doi:10.1016/j.msea.2009.10.034

Cited by 34 publications

(19 citation statements)

References 16 publications

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“…2(b)-(e) and Table 2, the SBs consist mainly of 3 n (n = 1, 2, 3) boundaries, in addition to a small amount of other low CSL boundaries, and the 3 boundaries are dominant among these SBs. This result is similar to that in some conventional ASSs [22,37].…”

Section: Effect Of the Gbcd Optimization On Sbssupporting

confidence: 89%

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Improving intergranular corrosion resistance in a nickel-free and manganese-bearing high-nitrogen austenitic stainless steel through grain boundary character distribution optimization

et al. 2016

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Section: Effect Of the Gbcd Optimization On Sbssupporting

confidence: 89%

“…As seen in Fig. 2, the so-called grain-cluster reported by some researchers [22,25,37] also occurs in the experimental steel. The grain-cluster was referred to such a grain encircled by the general HABs and containing a large amount of 3 n boundaries within the grain [25].…”

Section: Effect Of the Gbcd Optimization On Sbssupporting

confidence: 70%

Improving intergranular corrosion resistance in a nickel-free and manganese-bearing high-nitrogen austenitic stainless steel through grain boundary character distribution optimization

et al. 2016

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“…For instance, a primary recrystallization is frequently used to obtain a large fraction of CSL boundaries [5,10,12,[45][46][47]. The most impressive results were obtained after annealing of slightly strained samples, which were characterized by large recrystallized grains [11,46,47].…”

Section: Philosophical Magazine 4193mentioning

confidence: 99%

“…The development of a beneficial distribution of grain boundaries on their character is one aim of grain boundary engineering [1][2][3][4][5]. In particular, the goal of grain boundary engineering is to control the fraction of special boundaries that are characterized by a low reciprocal density of coinciding sites, Σ, of the coincident site lattice (CSL).…”

Section: Introductionmentioning

confidence: 99%

“…In face-centred cubic metals and alloys with low stacking fault energy (SFE), the evolution of special boundaries is associated with the development of annealing twins with coherent Σ3 CSL boundaries [5,[9][10][11]. The development of multiple twinning that results in a spatial net of Σ3 n CSL boundaries is a key factor in the design of grain boundary-engineered microstructures in such materials.…”

Section: Introductionmentioning

confidence: 99%

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Σ3 CSL boundary distributions in an austenitic stainless steel subjected to multidirectional forging followed by annealing

Tikhonova

Kuzminova

Fang

et al. 2014

Philosophical Magazine

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The effect of processing and annealing temperatures on the grain boundary characters in the ultrafine-grained structure of a 304-type austenitic stainless steel was studied. An S304H steel was subjected to multidirectional forging (MDF) at 500-800°C to total strains of~4, followed by annealing at 800-1,000°C for 30 min. The MDF resulted in the formation of ultrafine-grained microstructures with mean grain sizes of 0.28-0.85 μm depending on the processing temperature. The annealing behaviour of the ultrafine-grained steel was characterized by the development of continuous post-dynamic recrystallization including a rapid recovery followed by a gradual grain growth. The post-dynamically recrystallized grain size depended on both the deformation temperature and the annealing temperature. The recrystallization kinetics was reduced with an increase in the temperature of the preceding deformation. The grain growth during post-dynamic recrystallization was accompanied by an increase in the fraction of Σ3 n CSL boundaries, which was defined by a relative change in the grain size, i.e. a ratio of the annealed grain size to that evolved by preceding warm working (D/D 0 ). The fraction of Σ3 n CSL boundaries sharply rose to approximately 0.5 in the range of D/D 0 from 1 to 5, which can be considered as early stage of continuous post-dynamic recrystallization. Then, the rate of increase in the fraction of Σ3 n CSL boundaries slowed down significantly in the range of D/D 0 > 5. A fivefold increase in the grain size by annealing is a necessary condition to obtain approximately 50% Σ3 n CSL boundaries in the recrystallized microstructure.

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Evolution of texture and development of ∑3 n grain clusters in 316 austenitic stainless steel during thermal mechanical processing

Fang

Tikhonova

et al. 2012

J Mater Sci

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The evolution of cluster of grains with ∑3n relationship in austenitic stainless steel

Cited by 34 publications

References 16 publications

Improving intergranular corrosion resistance in a nickel-free and manganese-bearing high-nitrogen austenitic stainless steel through grain boundary character distribution optimization

Improving intergranular corrosion resistance in a nickel-free and manganese-bearing high-nitrogen austenitic stainless steel through grain boundary character distribution optimization

Σ3 CSL boundary distributions in an austenitic stainless steel subjected to multidirectional forging followed by annealing

Evolution of texture and development of ∑3 n grain clusters in 316 austenitic stainless steel during thermal mechanical processing

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