An experimental and theoretical investigation of the effect of second-phase particles on grain growth during the annealing of hot-rolled AZ61 magnesium alloy

Mohseni, Mohsen; Eivani, A.R.; Vafaeenezhad, H.; Jafarian, H.R.; Salehi, M; Zhou, Jie

doi:10.1016/j.jmrt.2021.09.049

Cited by 21 publications

(6 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The inclusion of HAp and aging was beneficial but detrimental to the ductility of the samples, as indicated by the drop in their percentage elongation. The aging of ZM31 caused an increase in ultimate strength along with percentage elongation, favorable for secondary deformation-based manufacturing processes such as rolling and extrusion, for further mechanical property enhancements. , The aging and composite approach showed similar effects on ZM31, displaying characteristics of HAp particles and Mg–Zn-based secondary phases with different compositions as observed in their microstructural images (Figures and ). The peak-aged ZM31 showed the highest ultimate strength (134.09 ± 5.46 MPa) along with percentage elongation (8.72 ± 1.38%).…”

Section: Resultsmentioning

confidence: 90%

“…The aging of ZM31 caused an increase in ultimate strength along with percentage elongation, favorable for secondary deformation-based manufacturing processes such as rolling and extrusion, for further mechanical property enhancements. 40,41 The aging and composite approach showed ). All of the samples showed an identically similar trend in the stress−strain response in the microstrain range (early deformation zone), whereas, on further deformation, the aging treatment resulted in notable improvement in ductility in ZM31 and yield strength in ZM31/HAp.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Microstructural Understanding of Hydroxyapatite Addition on Age Hardening, Internal Friction, and Mechanical and Electrochemical Response of Resorbable Magnesium Alloys with Good Cytocompatibility

Verma

Singh

Pal

2023

ACS Biomater. Sci. Eng.

View full text Add to dashboard Cite

The present work aims to assess the age hardening of microalloyed Mg–Zn–Mn alloy reinforced with Ca10(PO4)6(OH)2 (hydroxyapatite, HAp) particles to impart mechanical strength without deteriorating their degradation and biocompatibility behavior for their suitability toward resorbable fixation devices. The hydroxyapatite powder was synthesized with high purity. Mg–Zn–Mn (ZM31) and Mg–Zn–Mn/HAp (ZM31/HAp) were stir-cast, homogenized, and solution-treated to achieve uniform dissolution. Further, they were given a range of aging treatments (175 °C for 0, 5, 10, 25, 50, and 100 h), and the age hardening was measured as Vickers microhardness. The solution-treated and peak-aged (175 °C × 50 h) samples were further investigated using optical and electron microscopy, tensile testing, electrochemical corrosion testing, dynamic mechanical analysis, and biocompatibility. The peak-aged ZM31 sample revealed the highest ultimate strength (134.09 ± 5.46 MPa). The aging treatment resulted in notable improvement in ductility in ZM31 (8.72 ± 1.38%) and yield strength in ZM31/HAp (82.50 ± 1.43 MPa). The rapid strain-hardening behavior was distinctly visible in peak-aged samples in the initial stage of deformation. The amplitude-dependent internal friction confirmed the active solute and age-hardening mechanisms in agreement with the Granato–Lücke model. All samples displayed favorable cell viability (>80%) and cell adhesion behavior; however, their hemocompatibility and biodegradation need further consideration.

show abstract

Section: Resultsmentioning

confidence: 90%

Section: Methodsmentioning

confidence: 99%

Microstructural Understanding of Hydroxyapatite Addition on Age Hardening, Internal Friction, and Mechanical and Electrochemical Response of Resorbable Magnesium Alloys with Good Cytocompatibility

Verma

Singh

Pal

2023

ACS Biomater. Sci. Eng.

View full text Add to dashboard Cite

show abstract

“…Mohseni introduced the degree of contact between grain boundaries and second phase particles to predict the grain size limit in the presence of second phase particles. The degree of contact increased during grain growth and reached a stable value when the grain structure was pinned [16]. Although the initial location of second Table 1: Zener limit modifications over the years through 2D simulation Second phase particles did not have a significant contribution to the pinning of grain boundaries without considering the measure for the degree of contact (R), Gao et al [6] obtained a limiting grain size use approximately equivalent to that obtained by Harsold et al [5] as shown in Table 1.…”

Section: (2)mentioning

confidence: 99%

Grain Growth Inhibition by Second Phase Particles : A Two-Dimensional Monte Carlo Computational Study

Rajendra,

Phaneesh,

Ramesha

et al. 2023

jmmf

View full text Add to dashboard Cite

A comprehensive 2-D simulation was performed on a square lattice under the influence of a second phase particle to validate the Zener limit. The effect of matrix sizes from 100 to 10,000 was examined on R(lim), R(max), Scaling constant(k), and impurities lying on the grain boundaries(ϕ). In addition, the optimum matrix size N=2000 under various second phase particles and Q states were investigated. The particle-pinned regimes developed a unique relationship between the Zener limit and the fraction of second phase particles resting on the grain boundary, i.e., R(limit)=1/eΦ It was observed that the particle fraction is proportional to the determined limiting grain size. The homogeneity and distribution of grains were observed to obey the lognormal behavior.

show abstract

“…The simplest model of curvature-driven ideal grain growth with isotropic grain boundary properties could be used to better understand the various factors affecting grain growth in industrial metal materials. These factors could include abnormal anisotropic [2][3][4], nonuniformity in grain boundary energy [5] and the presence of additional phases [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Phase field simulation on grain growth with particles located on grain boundaries

Zhu

Sun

Feng

et al. 2023

Materials Science and Technology

View full text Add to dashboard Cite

The grain size is a key characteristic to strongly affect the mechanical properties and performance, and the presence of additional phases plays an important role in affecting the microstructure evolution. In this work, a phase field model was adopted for immobile second-phase particles distributed at grain boundaries and analysed its pinning effect on polycrystalline grain growth. According to the size and distribution characteristics of second-phase particles in extruded AZ80 magnesium alloy, the effects of the particle morphology, particle size and volume fraction on the grain growth were investigated. The results showed that small-sized rod high-dispersion particles exhibit a stronger pinning effect on grain boundary migration. In addition, the generalised Zener relation of R lim = 2.49 r sp/ f sp−0.322 was obtained for the particles located at grain boundaries.

show abstract

An experimental and theoretical investigation of the effect of second-phase particles on grain growth during the annealing of hot-rolled AZ61 magnesium alloy

Cited by 21 publications

References 37 publications

Microstructural Understanding of Hydroxyapatite Addition on Age Hardening, Internal Friction, and Mechanical and Electrochemical Response of Resorbable Magnesium Alloys with Good Cytocompatibility

Microstructural Understanding of Hydroxyapatite Addition on Age Hardening, Internal Friction, and Mechanical and Electrochemical Response of Resorbable Magnesium Alloys with Good Cytocompatibility

Grain Growth Inhibition by Second Phase Particles : A Two-Dimensional Monte Carlo Computational Study

Phase field simulation on grain growth with particles located on grain boundaries

Contact Info

Product

Resources

About