Technological challenges at ITER plasma facing components production in Russia

Mazul, I.; Belyakov, V. A.; Gervash, A.; Giniyatulin, R.; Guryeva, T.М.; Кузнецов, В. Е.; Makhankov, A.; Okunev, A.A.; Sevryukov, O. N.

doi:10.1016/j.fusengdes.2016.01.030

Cited by 10 publications

(1 citation statement)

References 7 publications

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“…In the PFC, brazed joints can be found in the first wall, limiter, baffle, and divertor components [ 87 , 88 ]. There are different armor material candidates for the PFC, including beryllium and tungsten (in both cases to be joined with Cu alloy heat sink materials) [ 86 , 89 , 90 ]. These joints must have good physical and mechanical properties, and maintain these after the irradiation and cyclic heat fluxes without degradation.…”

Section: Fillers For Extreme Environmentsmentioning

confidence: 99%

High Entropy Alloys as Filler Metals for Joining

Luo

Xiao

Hardwick

et al. 2021

Entropy

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In the search for applications for alloys developed under the philosophy of the High Entropy Alloy (HEA)-type materials, the focus may be placed on applications where current alloys also use multiple components, albeit at lower levels than those found in HEAs. One such area, where alloys with complex compositions are already found, is in filler metals used for joining. In soldering (<450 °C) and brazing (>450 °C), filler metal alloys are taken above their liquidus temperature and used to form a metallic bond between two components, which remain both unmelted and largely unchanged throughout the process. These joining methods are widely used in applications from electronics to aerospace and energy, and filler metals are highly diverse, to allow compatibility with a broad range of base materials (including the capability to join ceramics to metals) and a large range of processing temperatures. Here, we review recent developments in filler metals relevant to High Entropy materials, and argue that such alloys merit further exploration to help overcome a number of current challenges that need to be solved for filler metal-based joining methods.

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