基于B4C和Cu材料具有明显电阻率及熔点差的特点,提出了在超高压下通电快速烧结B4C/Cu梯度复合材料的新工艺.在2～4GPa、12kW,40s及适当的热处理条件下成功制备出了成分分布从0～100%的接近理论密度的B4C/Cu层状复合材料;显微观察显示材料的成分和结构是呈梯度分布的.化学溅射实验表明其产额比SMF 800核纯级石墨降低70%;在Tokamak原位等离子体辐照下,材料表面无明显损伤.
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