Bulk nanocrystalline coppers with grain sizes in the range of — nm could be fabricated under the condition of high current density.
Bulk nanocrystalline coppers with grain sizes in the range of — nm could be fabricated under the condition of high current density.
果表明：在高电流密度下制备出的块体纳米晶铜,晶粒尺寸为 ～nm；