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- Title
Influence of Mandrel on the Performance of Titanium Tube with Cold Rotary Swaging.
- Authors
Wang, Hui-Feng; Han, Jing-Tao; Hao, Qing-Le
- Abstract
Rotary swaging is a process to reduce the diameter of tubes and/or rods. It can be used to produce tubes or rods with a variety of external and internal diameters and shapes. Mandrel is an important part of the forming process. In this work, the influence of mandrel on tube performance is discussed. Data show that larger mandrels provide better forming results. Wall thickness standard deviation can be reduced from 0.108 (without mandrel) to 0.031 (7.4 mm diameter) and the hardness of the tube can be increased from 273.5 HV (original material) to 328.5 HV (7.4 mm diameter). Surface toughness can also be improved. Analysis shows that the microstructure is distinctly different from that of the original material and it varies by changing the mandrel. This research validates the use of cold swaging as an efficient method of forming titanium.
- Subjects
SWAGING; HARDNESS; SURFACE roughness; TITANIUM
- Publication
Materials & Manufacturing Processes, 2015, Vol 30, Issue 10, p1251
- ISSN
1042-6914
- Publication type
Academic Journal
- DOI
10.1080/10426914.2014.984205