In-vitro corrosion assessment of silicate-coated AZ31 Mg alloy in Earle’s solution

Kalaiyarasan, M.; Saranya, K.; Rajendran, N.

doi:10.1007/s10853-019-04039-w

Cited by 20 publications

(6 citation statements)

References 59 publications

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“…Nyquist and Bode plots of the bare alloy and samarium coating are given in Figure . Similar to the previous report, the bare alloy displays two distinctive capacitive loops in the high- and mid-frequency region and one inductive loop in the low-frequency region. The capacitive loops are correlated with the charge-transfer process, and the inductive loop signifies the penetration of the aggressive chloride ions from the SBF.…”

Section: Resultssupporting

confidence: 91%

Anticancer Activity of Samarium-Coated Magnesium Implants for Immunocompromised Patients

Kannan

Rajendran

2020

ACS Appl. Bio Mater.

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The removal of tumors in the osseous tissue leads to functional disorders. To overcome this issue, biodegradable implants are used to replace the damaged part of the system. In the study, samarium oxide was coated on the anodic layer of AZ31 magnesium alloy. The potentiodynamic polarization, electrochemical impedance, and localized electrochemical impedance spectroscopy studies were carried out for the samarium-coated magnesium alloy. The corrosion resistance of the coating improved several folds than the bare alloy. The apatite formed on the 3rd day of immersion in the simulated body fluid showed cuboid and triangular structures, whereas on the 7th day, it exhibited a sea sponge-like appearance. The coating exhibited inherent anticancer and antibacterial properties. Our work suggests that the samarium coating is expected to be a promising orthopedic implant for preventing tumor relapse and metastasis.

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Section: Resultssupporting

confidence: 91%

Anticancer Activity of Samarium-Coated Magnesium Implants for Immunocompromised Patients

Kannan

Rajendran

2020

ACS Appl. Bio Mater.

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“…65 The bending vibration band of Si–O–Si appeared at 1039 cm −1 and the metal oxide at 592 cm −1 . 46…”

Section: Resultsmentioning

confidence: 99%

“…The metal oxide peak of the bare sample occurred at a wavenumber of 592 cm À1 . 46 The coated sample showed the absorption of the hydroxyl group in the broad range of 3200-3400 cm À1 due to the stretching vibration and the C-H peak was observed at 2879 cm À1 . The peak at 1633 cm À1 can be attributed to the deformation vibration of the hydroxyl group of the Ti-OH on the surface of mixed oxide.…”

Section: Functional Group Analysismentioning

confidence: 96%

“…47 The formation of nanostructures was revealed in the 5 min sample and an agglomerated coarse morphology along with small fine cracks was observed in the 7 min sample because of the coating suspension or the movement of ions. 46,48 Thus, the i-t curve optimized that the 5 min sample exhibited the lowest current associated with the formation of nanostructures, and that was utilized for further characterization.…”

Section: Electrophoretic Depositionmentioning

confidence: 99%

“…Earle's composition was prepared by adding sodium chloride (6.8 g), sodium bicarbonate (2.2 g), magnesium sulphate (0.9 g), calcium chloride (0.2 g), potassium chloride (0.4 g), sodium dihydrogen phosphate (0.1 g) and glucose (0.1 g) to 1 L of double distilled water as reported early. 46 After immersion, the functional groups and surface morphology were confirmed by ATR-IR and HR-SEM with EDX, respectively.…”

Section: Immersion Studiesmentioning

confidence: 99%

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