Review of Friction Stir Processing of Magnesium Alloys

Kumar, Ravindra; Ramesh, Srivasupradha; Kedarvignesh, E.S.; Arulchelvam, M.S. Aravind; Anjunath, S.

doi:10.1016/j.matpr.2019.05.230

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…Another mechanical method is friction stir processing, which can improve the material’s ductility without affecting its mechanical properties. Based on this technology, welding defects such as cracks, porosity, and evaporative loss can be removed [ 47 , 48 ]. Abrasive water jet machining is considered an innovative method that can modify the surface roughness of the alloy and improve corrosion resistance.…”

Section: Introductionmentioning

confidence: 99%

Effect of Fluoride Coatings on the Corrosion Behavior of Mg–Zn–Ca–Mn Alloys for Medical Application

Bita,

Antoniac,

Ciuca

et al. 2023

Materials

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The most critical shortcoming of magnesium alloys from the point of view of medical devices is the high corrosion rate, which is not well-correlated with clinical needs. It is well- known that rapid degradation occurs when an implant made of Mg-based alloys is placed inside the human body. Consequently, the implant loses its mechanical properties and failure can occur even if it is not completely degraded. The corrosion products that appear after Mg-based alloy degradation, such as H2 and OH− can have an essential role in decreasing biocompatibility due to the H2 accumulation process in the tissues near the implant. In order to control the degradation process of the Mg-based alloys, different coatings could be applied. The aim of the current paper is to evaluate the effect of fluoride coatings on the corrosion behavior of magnesium alloys from the system Mg–Zn–Ca–Mn potentially used for orthopedic trauma implants. The main functional properties required for the magnesium alloys to be used as implant materials, such as surface properties and corrosion behavior, were studied before and after surface modifications by fluoride conversion, with and without preliminary sandblasting, of two magnesium alloys from the system Mg–Zn–Ca–Mn. The experimental results showed that chemical conversion treatment with hydrofluoric acid is useful as a method of increasing corrosion resistance for the experimental magnesium alloys from the Mg–Zn–Ca–Mn system. Also, high surface free energy values obtained for the alloys treated with hydrofluoric acid correlated with wettability lead to the conclusion that there is an increased chance for biological factor adsorption and cell proliferation. Chemical conversion treatment with hydrofluoric acid is useful as a method of increasing corrosion resistance for the experimental Mg–Zn–Ca–Mn alloys.

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Section: Introductionmentioning

confidence: 99%

Effect of Fluoride Coatings on the Corrosion Behavior of Mg–Zn–Ca–Mn Alloys for Medical Application

Bita,

Antoniac,

Ciuca

et al. 2023

Materials

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“…Obtaining materials by friction stir processing from homogeneous and heterogeneous materials is one of the most important tasks for the study of the materials interaction under intensive thermomechanical action in the quasi-viscous state [1][2][3]. With the help of this method it is possible to create gradient materials with a hardened surface layer structure with ultra-fine grains.…”

Section: Introductionmentioning

confidence: 99%

Dry Adhesive Friction Process Regularities during Frictional Contact of Heterogeneous “Copper-Aluminum” System Materials

Калашникова

Чумаевский

Gusarova

2020

MSF

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By means of optical and scanning electron microscopy the surface layer structure of aluminum alloy AMg5 samples with introduced copper part after adhesive frictional contact with AISI 420 steel counterbody was studied. It is revealed that under plastic deformation and material fragmentation in the frictional contact zone a complex mixture of different phase layers is formed due to the formation of different flows of aluminum alloy and copper during friction. Mechanical mixing of a material occurs on all length of a friction path with different intensity depending on distance to copper fragment. Both laminar and turbulent flows of material are formed in the surface layer, as well as a wide range of solid solutions, intermetallic phases and mechanical mixtures.

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A Review of the Mechanical and Tribological Behavior of Cold Spray Metal Matrix Composites

Hassani

2020

J Therm Spray Tech

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Review of Friction Stir Processing of Magnesium Alloys

Cited by 6 publications

References 3 publications

Effect of Fluoride Coatings on the Corrosion Behavior of Mg–Zn–Ca–Mn Alloys for Medical Application

Effect of Fluoride Coatings on the Corrosion Behavior of Mg–Zn–Ca–Mn Alloys for Medical Application

Dry Adhesive Friction Process Regularities during Frictional Contact of Heterogeneous “Copper-Aluminum” System Materials

A Review of the Mechanical and Tribological Behavior of Cold Spray Metal Matrix Composites

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