70 nm: The most unstable grain size in Cu prepared by surface mechanical grinding treatment

• 作 者: Xin Zhou Xiuyan Li Ke Lu
• 机 构: ShenyangNationalLaboratoryforMaterialsScience
• 出 处: 纳米材料科学:英文版
• 发表日期: 2020年1期
• 关键词: NANOGRAINS Thermal STABILITY Mechanical STABILITY ATOM free energy Copper SEVERE
• 基金项目: supported by the Ministry of Science and Technology of China(Grant Nos.2017YFA0204401 and No.2017YFA0700700),the Chinese Academy of Sciences(Grant No.ZDYZ201701),the Liaoning Revitalization Talents Pr

The stability of Cu with different average grain sizes prepared by surface mechanical grinding treatment were investigated under the conditions of isothermal annealing and uniaxial tension.In both conditions,experimental results revealed that the stabilit