| Issue |
MATEC Web of Conferences
Volume 31, 2015
2015 7th International Conference on Mechanical and Electronics Engineering (ICMEE 2015)
|
|
|---|---|---|
| Article Number | 01006 | |
| Number of page(s) | 4 | |
| Section | Materials science and engineering | |
| DOI | https://doi.org/10.1051/matecconf/20153101006 | |
| Published online | 23 November 2015 | |
Experimental research on degradation performance of magnesium alloy affected by mechanical environment
1 Tianjin Key Laboratory of the Design and Intelligent Control of the Advanced Mechatronical System, Tianjin University of Technology, School of Mechanical Engineering, Tianjin, 300384, China
2 Tianjin Just Huajian Medical Instrument Co., Ltd, Tianjin, 300384, China
a Corresponding author: Zhang Chunqiu, 494323993@qq.com, tel:15822274830
Objective To research the mechanical properties of magnesium alloy degradation affected by mechanical environment. Methods: After being divided into 4 groups randomly such as No.1, 2, 3 and 4,12 AZ31 magnesium alloy screws need suspending in the vessels containing 35ml simulated body fluid. No.1 was control group. Group 1 was under no load condition, experimental group 2, 3, and 4 were discontinuously applied fixed axial compression load of 30N, 60N, 90N respectively on time. The weight loss of magnesium alloy screws and the amount of gas generated were measured regularly. Results: From the cumulative amount of hydrogen production, group 1 and group 4 were relatively large, whereas group 2 and group 3 were relatively small. From the weight loss of magnesium alloy screws, group 3 > group 4 > group 2 > group 1. Conclusions: The general trend is the greater the load, the faster the degradation.
Key words: Biodegradable magnesium alloy / Mechanical environment / Experimental research
© Owned by the authors, published by EDP Sciences, 2015
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