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首页> 外文期刊>Fusion Engineering and Design >Manufacturing and testing in reactor relevant conditions of brazed plasma facing components of the ITER divertor
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Manufacturing and testing in reactor relevant conditions of brazed plasma facing components of the ITER divertor

机译：在反应堆相关条件下，对ITER偏滤器的钎焊等离子体部件进行制造和测试

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摘要

A fabrication route based on brazing technology has been developed for the realization of the high heat flux components for the ITER vertical target and Dome-Liner. The divertor vertical target is armoured with carbon fiber reinforced carbon and tungsten in the lower straight part and in the upper curved part, respectively. The armour material is joined to heat sinks made of precipitation hardened copper-chromium-zirconium alloy. The plasma facing units of the dome component are based on a tungsten flat tile design with hypervapotron cooling. An innovative brazing technique based on the addition of carbon fibers to the active brazing alloy, developed by Ansaldo Ricerche for applications in the field of the energy production, has been used for the carbon fiber composite to copper joint to reduce residual stresses. The tungsten-copper joint has been realized by direct casting. A proper brazing thermal cycle has been studied to guarantee the required mechanical properties of the precipitation hardened alloy after brazing. The fabrication route of plasma facing components for the ITER vertical target and dome based on the brazing technology has been proved by means of thermal fatigue tests performed on mock-ups in reactor relevant conditions.
机译：已经开发出一种基于钎焊技术的制造路线，以实现ITER垂直靶材和Dome-Liner的高热通量组件。偏滤器垂直靶在下部笔直部分和上部弯曲部分分别装有碳纤维增强的碳和钨。装甲材料连接到由沉淀硬化的铜铬锆合金制成的散热器上。圆顶组件的面向等离子体的单元基于采用超高压冷却的钨平瓦设计。由Ansaldo Ricerche开发的一种基于在活性钎焊合金中添加碳纤维的创新钎焊技术已用于在能源生产领域中的应用，已将碳纤维复合材料用于铜接头以减少残余应力。钨铜接头已通过直接铸造实现。已经研究了适当的钎焊热循环，以确保钎焊后沉淀硬化合金所需的机械性能。通过在反应堆相关条件下对模型进行的热疲劳试验，证明了基于钎焊技术的用于ITER垂直靶材和穹顶的面向等离子体部件的制造路线。

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