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Joining strategy for high heat flux materials

机译:高热通量材料的加入策略

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Abstract: A bonding strategy was developed for joining carbon/carbon composites and beryllium to copper. The methodology used was first to control the interface properties by employing ion beam enhanced deposition (IBED) on the surface of the specimen. This process allowed the formation of a graded interface layer to alleviate the mismatch in coefficient of thermal expansion and an additional surface layer to be deposited for subsequent bonding. Joining was then performed using a traditional diffusion bonding technique or an infrared assisted bonding technique. The integrity of the joint was determined by nondestructive measurement of the thermal conductance through the joint. Extremely high values of thermal conductance were registered, indicating that very high quality joints were obtained. !6
机译:摘要:提出了一种将碳/碳复合材料和铍与铜连接的粘结策略。首先使用的方法是通过在样品表面上采用离子束增强沉积(IBED)来控制界面特性。该过程允许形成渐变的界面层以减轻热膨胀系数的不匹配,并沉积额外的表面层以用于随后的粘结。然后使用传统的扩散粘结技术或红外辅助粘结技术进行连接。接头的完整性是通过无损测量通过接头的导热系数来确定的。记录到极高的热导率值,表明获得了非常高质量的接头。 !6

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