000K  utf8
0100  1876912529
1100  2024$c2024-03-14
1500  eng
2051  10.1016/j.jma.2023.10.007
3000  Chen, Ting
3010  Bergmann, Jean Pierre
3010  dos Santos, Jorge F.
3010  Fu, Banglong
3010  Huang, Yuanding
3010  Klusemann, Benjamin
3010  Shen, Junjun
3010  Suhuddin, Uceu F.H.R.
3010  Wang, Min
3010  Wiese, Björn
4000  Application of novel constrained friction processing method to produce fine grained biomedical Mg-Zn-Ca alloy  [Chen, Ting]
4060  14 Seiten
4209  In order to obtain Mg alloys with fine microstructures and high mechanical performances, a novel friction-based processing method, name as “constrained friction processing (CFP)”, was investigated. Via CFP, defect-free Mg-Zn-Ca rods with greatly refined grains and high mechanical properties were produced. Compared to the previous as-cast microstructure, the grain size was reduced from more than 1 mm to around 4 µm within 3 s by a single process cycle. The compressive yield strength was increased by 350% while the ultimate compressive strength by 53%. According to the established material flow behaviors by “tracer material”, the plastic material was transported by shear deformation. From the base material to the rod, the material experienced three stages, i.e. deformation by the tool, upward flow with additional tilt, followed by upward transportation. The microstructural evolution was revealed by “stop-action” technique. The microstructural development at regions adjacent to the rod is mainly controlled by twinning, dynamic recrystallization (DRX) as well as particle stimulated nucleation, while that within the rod is related to DRX combined with grain growth.
4950  https://doi.org/10.1016/j.jma.2023.10.007$xR$3Volltext$534
4961  http://uri.gbv.de/document/gvk:ppn:1876912529
5051  620
5550  Constrained friction processing
5550  Grain refinement
5550  Magnesium alloys
5550  Mechanical properties
5550  Microstructure
5550  Plastic deformation