Development of a Stress-Relied Annealing Device by using a Low Frequency Induction Heating Technique

2014 ◽  
Vol 134 (4) ◽  
pp. 217-222 ◽  
Author(s):  
Shogo Yoshida ◽  
Yuichiro Kai ◽  
Takashi Todaka ◽  
Masato Enokizono ◽  
Takeo Imagawa ◽  
...  
2009 ◽  
Vol 22 (2) ◽  
pp. 175-182
Author(s):  
Bogdan Miedzinski ◽  
Marcin Habrych ◽  
Zenon Okraszewski ◽  
Xin Wang ◽  
Lj Xu

In this paper the efficiency of heating of continuous welded rails (CWRs) under track laying when 3-phase low frequency supplying system is applied has been carefully considered. On the basis of computations confirmed by the investigated results, for different heaters location as well as different voltage phase shifts, the conclusions concerning proper selection of the structure of the energy supplying systems are formulated. .


2021 ◽  
Vol 306 (9) ◽  
pp. 2170030
Author(s):  
Ziyin Xiang ◽  
Van‐Cuong Nguyen ◽  
Benjamin Ducharne ◽  
Nellie Della Schiava ◽  
Jean‐Fabien Capsal ◽  
...  

2013 ◽  
Vol 35 (3) ◽  
pp. 222-226 ◽  
Author(s):  
Bor Kos ◽  
Blaž Valič ◽  
Tadej Kotnik ◽  
Peter Gajšek

Polymers ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 386 ◽  
Author(s):  
Ziyin Xiang ◽  
Khao-Iam Jakkpat ◽  
Benjamin Ducharne ◽  
Jean-Fabien Capsal ◽  
Jean-François Mogniotte ◽  
...  

This study aims to enhance the low-frequency induction heating (LFIH) effect in a thermoplastic polymer doped with iron oxide magnetic particles, which are promising candidates for several medical applications thanks to their confirmed biocompatibility. Two main approaches were proposed to successfully boost the heating ability; i.e., improving the magnetic concentration of the composite with higher filler content of 30 wt %, and doubling the frequency excitation after optimization of the inductor design. To test the magnetic properties of the ferromagnetic composite, a measurement of permeability as a function of temperature, frequency, and particle content was carried out. Thermal transfer based COMSOL simulations together with experimental tests have been performed, demonstrating feasibility of the proposed approach to significantly enhance the target temperature in a magnetic composite. These results are encouraging and confirmed that IH can be exploited in medical applications, especially for the treatment of varicose veins where local heating remains a true challenge.


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