期刊
MATERIALS
卷 14, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/ma14113088
关键词
Fe-Mn (Cu-W-Co) alloy; biodegradable materials; microstructure; compressibility
类别
资金
- Qassim University [5583-qec-2019-2-2-I]
In this research, nanostructured Fe-Mn, Fe-Mn-Cu, Fe-Mn-W, and Fe-Mn-Co biodegradable alloys were successfully synthesized using mechanical alloying. Experimental results showed that the alloys exhibited homogeneous solid solutions and even elemental dispersion, with an increase in density observed after stress relief treatment. Compaction models were tested to predict the compressibility behavior of these alloys in different conditions.
In this research work, the nanostructured Fe-Mn (BM0), Fe-Mn-Cu (BM1), Fe-Mn-W (BM2), and Fe-Mn-Co (BM3) biodegradable alloys were successfully synthesized using mechanical alloying. The microstructure of the synthesized alloys was examined using XRD, SEM equipped with EDS, and HRTEM techniques. The results obtained based on these techniques confirmed the development of nanostructured BM0, BM1, BM2, and BM3 alloys and homogenous solid solutions with an even elemental dispersion. The compressibility of the synthesized alloys was investigated experimentally and empirically in the as-milled conditions and after applying a stress relief treatment (150 degrees C for 1 h). The load applied for compaction experiments ranged from 25-1100 MPa with a rate of 1 mm/min. According to the experimentation performed in the current study, the relative density of the as-milled BM0, BM1, BM2, and BM3 alloys was 72.90% and 71.64%, 72.32%, and 72.03%, respectively. After applying the stress relief treatment, the density was observed to increase to 75.23%, 77.10%, 72.65%, and 72.86% for BM0-S, BM1-S, BM2-S and BM3-S samples, respectively. A number of compaction models were tested to identify the optimum models for predicting the compressibility behavior of nanostructured Fe-Mn, Fe-Mn-Cu, Fe-Mn-W, and Fe-Mn-Co alloys in the as-milled and stress-relieved conditions.
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