卢柯等人用电沉积法合成的高纯度、高致密度的纳米晶体铜的体材可以在室温经过冷轧延伸到50倍以上而不出现应变硬化效应。
Bulk nanocrystalline pure copper of high purity and high density , has been synthesized by electrodeposition and rolled to 50 times its original length without any strain hardening effect at room temperature .