The fatigue life of ZEK100 magnesium alloy in the phosphate buffered solution for various immersion intervals was investigated by experiments and theoretical predictions. The biodegradable behaviours of ZEK100 magnesium alloy were also studied. Microstructure observation showed that the corrosion behaviours were characterized by pitting corrosion. The corrosion rate decreased a lot in the initial 7 d and then almost stayed unchanged. After 28 d immersion, the elastic modulus almost kept stable, while the yield strength and the ultimate strength decreased a lot, which indicated that corrosion had important effects on the tensile mechanical properties. It showed that the fatigue life of the samples under the same stress conditions decreased with increasing immersion time under the asymmetric stress‐controlled cyclic loading. Considering the effect of corrosion on the material failure, a modified fatigue life model was proposed for magnesium alloy under corrosion.

Title:

Biodegradable behaviour and fatigue life of ZEK100 magnesium alloy in simulated physiological environment
Contributors:

Zhao, J (author) / Gao, L.‐L / Gao, H / Yuan, X / Chen, X
Published in:

Fatigue & fracture of engineering materials & structures ; 38, 8
Publisher:

Blackwell

Place of publication:

Oxford
Publication date:

2015
ISSN:

0160-4112
ZDBID:

50922x
DOI:

https://doi.org/10.1111/ffe.12262
Type of media:

Article (Journal)
Type of material:

Print
Language:

English

Keywords:

Materialermüdung, Bruchmechanik, Zeitschrift

Classification:

Local classification TIB:		275/5010/5110
BKL:		51.32 / 51.32 Werkstoffmechanik

Source:

Online Contents

Table of contents – Volume 38, Issue 8

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The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

881: Stress singularity analysis for orthotropic V‐notches in the generalised plane strain state
Cheng, C. Z et al. | 2015
print version
897: Mechanical fatigue in aluminium at elevated temperature and remaining life prediction based on natural frequency evolution
Khan, M. A et al. | 2015
print version
904: Biodegradable behaviour and fatigue life of ZEK100 magnesium alloy in simulated physiological environment
Zhao, J et al. | 2015
print version
914: Fatigue fracture behaviour of spot welded B1500HS steel under tensile‐shear load
Wang, B et al. | 2015
print version
923: Non‐planar mixed‐mode growth of initially straight‐fronted surface cracks, in cylindrical bars under tension, torsion and bending, using the symmetric Galerkin boundary element method‐finite element method alternating method
Tian, L. ‐G et al. | 2015
print version
936: Microstructural stability of ODS steels in cyclic loading
Kuběna, I et al. | 2015
print version
948: Assessment of empirical formulas for prediction of the effects of projectile impact on concrete structures
Kosteski, L. E et al. | 2015
print version
960: Effects of oxide on fatigue crack growth behaviour of type 347 stainless steel in PWR water conditions
Min, K.‐D et al. | 2015
print version
970: Fracture toughness and fatigue crack growth in Ti‐6Al‐4V friction stir welds
Edwards, P et al. | 2015
print version
983: Empirical model for plasticity‐induced crack closure based on Kmax and ΔK
Antunes, F. V et al. | 2015
print version
997: Fatigue life prediction based on equivalent stresses for laser beam welded 6156 Al‐alloy joints under variable amplitude loading
Liu, H et al. | 2015
print version