Effect of thermomechanical processing via rotary swaging on grain boundary character distribution and intergranular corrosion in 304 austenitic stainless steel

Article Materials Science, Multidisciplinary

A pathway to improve low-cycle fatigue life of face-centered cubic metals via grain boundary engineering

X. J. Guan et al.

Summary: Grain boundary engineering (GBE) can effectively improve the low-cycle fatigue life of Cu-16 at.%Al alloys by suppressing cyclic strain localization and grain boundary cracking.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2022)

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Article Materials Science, Multidisciplinary

Microevolution of grain boundary character distribution in Hastelloy C-276 during the annealing process

Xiaoyu Zhang et al.

Summary: Grain boundary character distribution and disconnectivity of random boundaries were observed in-situ in the Hastelloy C-276 alloy sample through thermomechanical processing. The role of X3 boundaries in microstructural evolution of grain boundary character distribution was analyzed by electron back-scattered diffraction (EBSD) and the mechanisms of grain boundary engineering (GBE) during annealing were elucidated. The results showed that the fraction of X3n boundaries consistently increased in number with annealing time; however, the X3 boundaries had different effects on the disconnectivity of random boundaries because of their variants, i.e., coherent and incoherent X3 boundaries. At the initial annealing stage, new incoherent X3 boundaries were generated, according to the X3 regeneration mechanism model; X9 and X27 boundaries appeared and increased in number with increasing X3 boundary interactions. These incoherent X3 boundaries could disrupt the connectivity of the random grain boundaries and form large clusters. However, at the annealing stage, some incoherent X3 boundaries were annihilated, and new coherent ones emerged. As a result, the random grain boundary network evolved by obtaining significant connectivity with larger clusters, attributed to the reduction of the incoherent X3 boundaries. This implies that the incoherent X3 boundaries play an important role in the optimization of grain boundary engineering.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2022)

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Article Materials Science, Multidisciplinary

The dependence of precipitate morphology on the grain boundary types in an aged Al-Cu binary alloy

Ahua Du et al.

Summary: The study investigates the dependence of precipitate morphology and intergranular corrosion resistance on different grain boundary types in a solid-solution treated Al-Cu binary alloy. It is found that near twin boundaries exhibit discontinuous precipitates and higher resistance to corrosion, while coherent twin boundaries are immune to intergranular corrosion. This suggests that a distribution of high frequency near twin boundaries can enhance the corrosion resistance of aluminum and its alloys.

JOURNAL OF MATERIALS SCIENCE (2021)

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Article Materials Science, Multidisciplinary

New perspectives on twinning events during strain-induced grain boundary migration (SIBM) in iteratively processed 316L stainless steel

Nitin Kumar Sharma et al.

Summary: The study characterized the microstructure and grain boundary character distribution of 316L stainless steel during iterative thermo-mechanical processing using EBSD. Results showed that increasing iterations led to a significant improvement in the population and distribution of favorable grain boundaries, but subsequent iterations resulted in microstructural deterioration. The role of underlying mechanisms such as strain-induced grain boundary migration and static recrystallization in optimizing GBCD was also analyzed.

JOURNAL OF MATERIALS SCIENCE (2021)

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Article Materials Science, Multidisciplinary

Statistical study on the effects of heterogeneous deformation and grain boundary character on hydrogen-induced crack initiation and propagation in twining-induced plasticity steels

Hao Fu et al.

Summary: The initiation and propagation of hydrogen-induced cracks in TWIP steel were quantitatively explored, revealing that heterogeneous deformation and grain boundary character play a crucial role in HIC initiation. The slip transfer parameter and residual dislocation on a grain boundary were found to be critical conditions for HIC initiation, which is prone to occur along random grain boundaries.

CORROSION SCIENCE (2021)

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Article Chemistry, Physical

Grain boundary engineering and its implications on corrosion behavior of equiatomic CoCrFeMnNi high entropy alloy

Hemanth Thota et al.

Summary: In this study, a grain boundary engineered microstructure was achieved in a Cantor alloy through strain-annealing based thermo-mechanical processing, leading to improved grain boundary characteristics and corrosion resistance.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Materials Science, Multidisciplinary

Improve the ductility of a nickel based superalloy by optimizing secondary phase distribution through grain boundary engineering

Qiang Mao et al.

Summary: The microstructure and high temperature tensile properties of GH984 alloy after grain boundary engineering treatment were studied. The treatment increased the fraction of low Sigma CSL grain boundaries and optimized the grain boundary network. Additionally, the study found that the precipitation behaviors of eta phase and carbide, as well as their influences on mechanical properties, were influenced by grain boundary characters.

MATERIALS CHARACTERIZATION (2021)

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Article Materials Science, Multidisciplinary

Effects of aging temperature and grain boundary character on carbide precipitation in a highly twinned nickel-based superalloy

Hui Li et al.

Summary: This study evaluated the growth and dissolution of carbides in grain boundary engineering (GBE) treated nickel-based superalloy during aging treatment, revealing different precipitation behaviors of carbides at various aging temperatures and grain boundary characters.

PHILOSOPHICAL MAGAZINE (2021)

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Article Nanoscience & Nanotechnology

Grain boundary character distribution in an additively manufactured austenitic stainless steel

Majid Laleh et al.

Summary: The study revealed that an austenitic stainless steel produced by additive manufacturing has relatively fine grains and a high population of Sigma 3 boundaries. The microstructure is mostly dominated by highly incoherent Sigma 3 boundaries, with other types of boundaries present in the grain boundary network. These findings demonstrate the potential to engineer the grain boundary network of materials via additive manufacturing.

SCRIPTA MATERIALIA (2021)

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Article Nuclear Science & Technology

Control of deformation and annealing process to produce incoherent Σ3 boundaries in Hastelloy C-276 alloy

Xiao-yu Zhang et al.

Summary: Reasonable deformation and annealing treatment parameters lead to more incoherent Sigma 3 boundaries playing an important role in the optimization of GBE.

NUCLEAR MATERIALS AND ENERGY (2021)

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Article Materials Science, Coatings & Films

Texture and grain boundary engineering in nickel coating with tungsten addition and its effect on the coating corrosion behavior

Ahmed Aliyu et al.

Summary: The corrosion rate of nickel-tungsten alloy coatings is significantly affected by the tungsten content. Coatings with 7wt% tungsten exhibit lower corrosion rates due to a lower proportion of high-angle grain boundaries and uniform strain distribution, while coatings with 13wt% tungsten have higher corrosion rates attributed to a higher proportion of high-angle grain boundaries and small-sized grains.

SURFACE & COATINGS TECHNOLOGY (2021)

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Article Materials Science, Multidisciplinary

Microstructural aspects of new grade ODS alloy consolidated by rotary swaging

Alice Chlupova et al.

Summary: The authors investigated the microstructural aspects of recrystallization of a new ODS alloy consolidated by hot rotary swaging. The study involved microstructural characterization using SEM, TEM, and EBSD, as well as mechanical properties testing. Different rotary swaging and annealing conditions resulted in different structures, influencing properties such as hardness and Young's modulus. Detailed microscopic analysis helped clarify and discuss the properties of the newly developed ODS alloy.

MATERIALS CHARACTERIZATION (2021)

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Article Materials Science, Multidisciplinary

Investigation on thermo-mechanical processing and intergranular corrosion of TP347H stainless steel

Xiong Gao et al.

Summary: Thermo-mechanical treatment can significantly increase the proportion of low-sigma CSL grain boundaries in TP347H stainless steel, thus suppressing intergranular corrosion.

MATERIALS SCIENCE AND TECHNOLOGY (2021)

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Article Materials Science, Multidisciplinary

Effect of Rotary Swaging on Microstructure, Texture, and Mechanical Properties of a Mg-Al-Zn Alloy

Yuri Estrin et al.

ADVANCED ENGINEERING MATERIALS (2020)

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Article Nanoscience & Nanotechnology

Effect of grain boundary character distribution on hydrogen embrittlement in Fe-Ni based alloy

Honglei Hu et al.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2020)

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Article Materials Science, Multidisciplinary

Grain boundary design based on fractal theory to improve intergranular corrosion resistance of TWIP steels

Hao Fu et al.

MATERIALS & DESIGN (2020)

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Article Materials Science, Multidisciplinary

Correlation between grain boundary character distribution and δ-phase precipitation in nickel -based superalloy 718

Flavia da Cruz Gallo et al.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2020)

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Article Materials Science, Multidisciplinary

Bulk nanocrystalline high-strength magnesium alloys prepared via rotary swaging

Yingchun Wan et al.

ACTA MATERIALIA (2020)

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Article Materials Science, Multidisciplinary

Strain-annealed grain boundary engineering process investigated in Hastelloy-X

Etienne Martin et al.

MATERIALIA (2020)

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Article Materials Science, Multidisciplinary

Suppression of liquid-metal-embrittlement by twin-induced grain boundary engineering approach

M. H. Razmpoosh et al.

MATERIALIA (2020)

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Article Nanoscience & Nanotechnology

Grain character and mechanical properties of Fe-21Cr-15Ni-6Mn-Nb non-magnetic stainless steel after solution treatment

Yan-Lei Song et al.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2019)

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Article Materials Science, Multidisciplinary

Effect of grain boundary engineering on corrosion fatigue behavior of 316LN stainless steel in borated and lithiated high-temperature water

Jun Gao et al.

CORROSION SCIENCE (2019)

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Article Chemistry, Physical

Role of grain boundary engineered microstructure on high temperature steam oxidation behaviour of Ni based superalloy alloy 617

C. N. Athreya et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Materials Science, Multidisciplinary

Grain boundary engineering for improving stress corrosion cracking of 304 stainless steel

Tingguang Liu et al.

MATERIALS SCIENCE AND TECHNOLOGY (2019)

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Article Nanoscience & Nanotechnology

Gain boundary character distribution optimization of Cu-16at.%Al alloy by thermomechanical process: Critical role of deformation microstructure

X. J. Guan et al.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2019)

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Article Materials Science, Multidisciplinary

Influence of grain boundary character distribution and random high angle grain boundaries networks on intergranular corrosion in high purity copper

Yuan Yuan et al.

MATERIALS LETTERS (2019)

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Article Materials Science, Multidisciplinary

Effect of two-step thermomechanical processing on grain boundary character distribution of CoCrFeMnNi high-entropy alloy

Hao Wang et al.

MATERIALS CHARACTERIZATION (2019)

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Article Materials Science, Multidisciplinary

A fractal approach to predict the oxidation and corrosion behavior of a grain boundary engineered low SFE high entropy alloy

R. J. Vikram et al.

MATERIALIA (2019)

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Article Materials Science, Multidisciplinary

A critical evaluation on efficacy of recrystallization vs. strain induced boundary migration in achieving grain boundary engineered microstructure in a Ni-base superalloy

T. S. Prithiv et al.

ACTA MATERIALIA (2018)

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Article Materials Science, Multidisciplinary

Grain boundary engineering to control the discontinuous precipitation in multicomponent U10Mo alloy

Arun Devaraj et al.

ACTA MATERIALIA (2018)

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Article Materials Science, Multidisciplinary

Strain-Annealing Based Grain Boundary Engineering to Evaluate its Sole Implication on Intergranular Corrosion in Extra-Low Carbon Type 304L Austenitic Stainless Steel

S. K. Pradhan et al.

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE (2018)

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Article Chemistry, Physical

Effects of initial microstructure on the grain boundary network during grain boundary engineering in Hastelloy N alloy

Wei Cao et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2017)

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Article Materials Science, Multidisciplinary

In situ EBSD observation of grain boundary character distribution evolution during thermomechanical process used for grain boundary engineering of 304 austenitic stainless steel

Shun Tokita et al.

MATERIALS CHARACTERIZATION (2017)

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Article Materials Science, Multidisciplinary

Through-thickness microstructural evolution during grain boundary engineering type thermomechanical processing and its implication on sensitization behavior in austenitic stainless steel

S. K. Pradhan et al.

MATERIALS CHARACTERIZATION (2017)

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Article Materials Science, Multidisciplinary

Dependence of grain boundary character distribution on the initial grain size of 304 austenitic stainless steel

Wen Feng et al.

PHILOSOPHICAL MAGAZINE (2017)

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Article Materials Science, Multidisciplinary

Control of grain boundary connectivity based on fractal analysis for improvement of intergranular corrosion resistance in SUS316L austenitic stainless steel

Shigeaki Kobayashi et al.

ACTA MATERIALIA (2016)

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Article Nanoscience & Nanotechnology

The effect of thermo-mechanical processing on grain boundary character distribution in Incoloy 800H/HT

Hamed Akhiani et al.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2015)

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Article Materials Science, Multidisciplinary

Mechanisms of grain boundary engineering

V Randle et al.

ACTA MATERIALIA (2006)

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Article Materials Science, Multidisciplinary

Twinning-related grain boundary engineering

V Randle

ACTA MATERIALIA (2004)

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Article Materials Science, Multidisciplinary

Optimization of grain boundary character distribution for intergranular corrosion resistant 304 stainless steel by twin-induced grain boundary engineering

M Shimada et al.

ACTA MATERIALIA (2002)

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Effect of thermomechanical processing via rotary swaging on grain boundary character distribution and intergranular corrosion in 304 austenitic stainless steel

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