The development of argon arc brazing with Cu-based filler for ITER thermal anchor attachment

Sun, Zhenchao; Lee, P.Y.; Pan, C.J.; Hou, Binglin; Han, S. L.; Pei, Yinyin; Long, Weimin

doi:10.1109/sofe.2011.6052245

Cited by 3 publications

(2 citation statements)

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“…Compared to pure copper, the melting range of CuSi3 is 932–1028 °C as an alloy [16]. Thus, the liquid phase will exist until the temperature reaches the solidus.…”

Section: Resultsmentioning

confidence: 99%

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Effect of stress and Si on liquid metal embrittlement of 316L(N)-copper

Sun

Zhang

et al. 2021

Materials Science and Technology

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Vacuum brazing of austenitic stainless steel (SS) under stress with copper-based filler was carried out to assess the susceptibility of liquid metal embrittlement (LME) on stress. Dipping of the SS pipe into molten copper and CuSi3 was performed for comparison. The mechanisms of stress on Cu-SS LME and the effect of Si during cracking were discussed. Test results indicated that microcracks caused by stress concentration increase the possibility of LME. Furthermore, LME was suppressed by the Fe3Si layer between copper and SS. However, the melting range of the filler extended by the addition of Si increases the probability of LME for longer contacting. Accordingly, the addition of Si into copper-based filler should be avoided for most joining methods of SS with high stress concentration.

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“…Compared to pure copper, the melting range of CuSi3 is 932–1028 °C as an alloy [16]. Thus, the liquid phase will exist until the temperature reaches the solidus.…”

Section: Resultsmentioning

confidence: 99%

“…CuSi3 is a common commercial brazing filler employed to join stainless steel [15]. In addition, Si is an alloying element to reduce the melting point and improve the strength of copper-based filler [16]. However, to the best of our knowledge, there are very limited studies on the Si effect on the Cu-SS LME.…”

Section: Introductionmentioning

confidence: 99%

Effect of stress and Si on liquid metal embrittlement of 316L(N)-copper

Sun

Zhang

et al. 2021

Materials Science and Technology

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The Study of Crack Mechanism During Arc Brazing of Cooling Pipe to ITER Magnet Support System

Lee

Sun

Liao

et al. 2014

IEEE Trans. Appl. Supercond.

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Preliminary Research of Manufacturing Technology for ITER Magnet Supports

Hou

Yang

et al. 2012

AMM

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The International Thermal Experiment Reactor (ITER) is designed to operate for 20 years with high safety requirements. The magnets with their total weight being about 10,000t sit at the core of the ITER machine. In order to guarantee the safety of the ITER machine, the research of the manufacturing technology for ITER magnet supports (MS) is an indispensable working procedure before the MS are produced. The MS consist of toroidal field (TF) gravity supports (GS), poloidal field (PF) supports and correction coils (CC) supports. This paper summarizes that the preliminary research results for the manufacturing of the GS with thermal anchor, the reliable method to manufacture the U-shaped clamp with tapered slots for PF coil supports and the special devices for test of full-size fasteners used in all the MS.

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The development of argon arc brazing with Cu-based filler for ITER thermal anchor attachment

Cited by 3 publications

References 1 publication

Effect of stress and Si on liquid metal embrittlement of 316L(N)-copper

Effect of stress and Si on liquid metal embrittlement of 316L(N)-copper

The Study of Crack Mechanism During Arc Brazing of Cooling Pipe to ITER Magnet Support System

Preliminary Research of Manufacturing Technology for ITER Magnet Supports

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