Hot tensile deformation behavior of Mg-Zn-Al magnesium alloy tubes processed by severe plastic deformation

Eftekhari, Mohammad; Fata, A.; Faraji, Ghader; Mashhadi, Mahmoud Mosavi

doi:10.1016/j.jallcom.2018.01.246

Cited by 35 publications

(4 citation statements)

References 52 publications

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“…However, in comparison with ZK60-14, which processed by 8 passes ECAP and showed a 485% improvement, the enhancement of ductility is not very impressive. In terms of the alloy composition, the obtained results also show that the biodegradable ZK60 Mg alloy processed by PTCAP with 2 passes possesses the highest mechanical strength as compared to the other TCAP and PTCAP processed Mg-based alloys like AZ31 and AZ91 (Abdolvand et al, 2017;Eftekhari et al, 2018). Also, from the Formability Index (FI) point of view, which can be estimated from the following relationship (Mesbah et al, 2019), the highest value of FI (5558 MPa%) was achieved in the case of biodegradable ZK60 Mg alloy processed by PTCAP with 2 passes.…”

Section: Mechanical Behavior Of Zk60 Mg Alloymentioning

confidence: 73%

Mechanical properties modeling of severely plastically deformed biodegradable ZK60 magnesium alloy for bone implants

Zhang

Wang

et al. 2020

Lat. Am. j. solids struct.

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The effectiveness of magnesium (Mg) alloys to improve the capability of bone tissue generation may be severely diminished if the required mechanical properties are not provided. Here, the effort is directed to model the mechanical performance of severely plastically deformed biodegradable ZK60 Mg alloy in bone regeneration protocols. For this purpose, the effects of parallel tubular channel angular pressing (PTCAP) on yield strength (σYS), ultimate tensile strength (σUTS), and elongation to failure (δ) were addressed. Given the multifaceted variables of the PTCAP with nonlinear interactions, a precise determination of the mechanical properties requires a large number of experiments. Therefore, gene expression programming (GEP) and genetic programming (GP) models were proposed to achieve appropriate combinations of mechanical properties for bone implant purposes based on a rational hypothesis that for correlation coefficient (|R|) higher than 0.8, a strong correlation is established between the predicted and measured values. The results verified that the highest mechanical performance was achieved at the second pass of PTCAP, thus has a great potential to be the most promising candidate for biodegradable implant material. Besides, the proposed models were capable of precisely predicting the mechanical performance of the SPD-processed biodegradable ZK60 Mg.

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Section: Mechanical Behavior Of Zk60 Mg Alloymentioning

confidence: 73%

Mechanical properties modeling of severely plastically deformed biodegradable ZK60 magnesium alloy for bone implants

Zhang

Wang

et al. 2020

Lat. Am. j. solids struct.

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“…The outcomes indicated that the bursting pressure of tubes increased by 114, 103, and 87% respectively, after 1, 2, and 3 passes of the process as compared to annealed tubes state [23]. The superplastic behavior of Mn alloys like cast AZ31 [24] and extruded AZ31 [25] were analyzed after the PTCAP process. Observations revealed that the mechanical and microstructural properties of the samples post-PTCAP process exhibited superior characteristics at room temperature (RT) compared to the annealed samples.…”

Section: Introductionmentioning

confidence: 99%

Experimental study and finite element modelling of pure copper tube fabrication via the Parallel Tubular Channel Angular Pressing (PTCAP) Process

Gadallah,

El-Fahhar,

Ahmed

et al. 2024

Mater. Res. Express

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The Parallel Tubular Channel Angular Pressing Process (PTCAP) has emerged as a promising method for refining the grain structure and enhancing the mechanical properties of metallic mate-rials through severe plastic deformation. This study focuses on a comprehensive investigation of the PTCAP process, combining experimental and numerical analysis to gain insights into its underlying mechanisms. Experimental investigations involve processing a commercially pure copper tube using PTCAP under controlled conditions. In parallel, an explicit numerical analysis is developed using ABAQUS software to simulate the deformation behavior during PTCAP. The model incorporates material constitutive equations and accounts to describe the material response under high strain rates and large deformations. The research aims to investigate how multi-pass PTCAP affects hardness, strain homogeneity, and stress distribution. A comparison between the load punch from the experimental and FEM is conducted to validate the FEM results, and there is a good correlation between both. Hardness measurements are conducted at various stages to quantify the changes in material hardness resulting from the successive PTCAP passes. The hardness of the Cu tube increased by 63.45, 94.51, 103.98, and 105.64 % after 1 to 4 passes, respectively.

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“…Magnesium (Mg) alloy is considered as one of the most promising potential metallic materials since it possesses several advantages including low density, high specific strength, excellent thermal conductivity and outstanding electromagnetic shielding [1][2][3][4][5][6]. Therefore, Mg alloys are widely used in the automobile and aircraft industries, especially the Mg-Al-Zn alloys (AZ series).…”

Section: Introductionmentioning

confidence: 99%

Refined Microstructure and Enhanced Hardness in Friction Stir-Welded AZ31 Magnesium Alloy Induced by Heat Pipe with Different Cooling Liquid

Zhang

Chen

et al. 2019

Metals

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The temperature field in welded plates has a significant influence on the microstructure and thereby their properties during friction stir welding (FSW). In this work, a self-designed heat pipe with different cooling liquid was applied in the FSW process for AZ31 magnesium alloy. The temperature fields, microstructures and properties of the welded joints were investigated. The peak temperatures and the durations of high temperature at both the advancing side and the retreating side decrease during the FSW process after applying the heat pipe and adding the ambient temperature water in the condensing tank. The top part of the weld nugget zone of the joint shows a significant decrease as well as its middle part due to the cooling effect of the heat pipe. The microstructure of the weld nugget zone is refined, associated with the increase in the hardness after applying the heat pipe. When the cooling liquid turns into ice water, grains in the weld nugget zone become significantly smaller and have a more homogeneous size. The mean value of hardness increases and the corresponding deviation is declined. Therefore, these results indicate that the application of the heat pipe and the employment of ice water as the cooling liquid can further refine the microstructure and enhance the strength of the material.

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Hot tensile deformation behavior of Mg-Zn-Al magnesium alloy tubes processed by severe plastic deformation

Cited by 35 publications

References 52 publications

Mechanical properties modeling of severely plastically deformed biodegradable ZK60 magnesium alloy for bone implants

Mechanical properties modeling of severely plastically deformed biodegradable ZK60 magnesium alloy for bone implants

Experimental study and finite element modelling of pure copper tube fabrication via the Parallel Tubular Channel Angular Pressing (PTCAP) Process

Refined Microstructure and Enhanced Hardness in Friction Stir-Welded AZ31 Magnesium Alloy Induced by Heat Pipe with Different Cooling Liquid

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