Influence of Heat Treatment on the Corrosion Behavior of Purified Magnesium and AZ31 Alloy

Magnesium and its alloys are ideal for biodegradable implants due to their biocompatibility and their low-stress shielding. However, they can corrode too rapidly in the biological environment. The objective of this research was to develop heat treatments to slow the corrosion of high purified magnes...

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Published inarXiv.org
Main Authors Khalifeh, Sohrab, Burleigh, T David
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 27.06.2017
Subjects
Alloys
Bacterial corrosion
Biocompatibility
Biodegradability
Biomedical materials
Body fluids
Corrosion
Corrosion rate
Corrosion resistance
Heat treating
Heat treatment
Hydrogen evolution
In vitro methods and tests
Magnesium base alloys
Measurement methods
Stress shielding
Surgical implants
Weight loss measurement
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Abstract Magnesium and its alloys are ideal for biodegradable implants due to their biocompatibility and their low-stress shielding. However, they can corrode too rapidly in the biological environment. The objective of this research was to develop heat treatments to slow the corrosion of high purified magnesium and AZ31 alloy in simulated body fluid at 37{\deg}C. Heat treatments were performed at different temperatures and times. Hydrogen evolution, weight loss, PDP, and EIS methods were used to measure the corrosion rates. Results show that heat treating can increase the corrosion resistance of HP-Mg by 2x and AZ31 by 10x.
AbstractList Magnesium and its alloys are ideal for biodegradable implants due to their biocompatibility and their low-stress shielding. However, they can corrode too rapidly in the biological environment. The objective of this research was to develop heat treatments to slow the corrosion of high purified magnesium and AZ31 alloy in simulated body fluid at 37{\deg}C. Heat treatments were performed at different temperatures and times. Hydrogen evolution, weight loss, PDP, and EIS methods were used to measure the corrosion rates. Results show that heat treating can increase the corrosion resistance of HP-Mg by 2x and AZ31 by 10x.
Author Burleigh, T David
Khalifeh, Sohrab
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Snippet Magnesium and its alloys are ideal for biodegradable implants due to their biocompatibility and their low-stress shielding. However, they can corrode too...
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SubjectTerms Alloys
Bacterial corrosion
Biocompatibility
Biodegradability
Biomedical materials
Body fluids
Corrosion
Corrosion rate
Corrosion resistance
Heat treating
Heat treatment
Hydrogen evolution
In vitro methods and tests
Magnesium base alloys
Measurement methods
Stress shielding
Surgical implants
Weight loss measurement
Title Influence of Heat Treatment on the Corrosion Behavior of Purified Magnesium and AZ31 Alloy
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