摘要
采用含氧氮气(N2/O2)雾化喷射沉积技术制备Y-La-Al-Cu系多元系合金,通过化学反应原位生成(内氧化法)Y2O3/La2O3/Al2O3/Cu多相氧化物颗粒增强铜基复合材料,并对材料的显微组织、力学物理性能和电学性能进行研究。结果表明,通过喷射沉积技术并结合内氧化工艺,可制得具有较好微观组织、形成的增强相弥散分布于基体、组织致密的Y2O3/La2O3/Al2O3/Cu多相氧化颗粒增强铜基复合材料;随着冷加工变形量的增加,Y2O3/La2O3/Al2O3/Cu多相氧化颗粒增强铜基复合材料的抗拉强度和硬度提高,而材料的延伸率与导电率逐渐降低。
The Y-La-A1-Cu alloy was prepared by oxygen and nitrogen atomization spray deposition technique. The reinforced copper composite with Y2O3/La2O3/A12O3/Cu multiphase oxide particles was fabricated by in situ chemical reactions （internal oxidation）. The microstructure, physical, me- chanical and electrical properties of the material were researched. The experimental results show that the reinforced copper composite with Y2O3/La2O3/A12O3/Cu multiphase oxide particles which has good microstructure, high density and diffusing oxide particles can be obtained by spraying de-position and internal oxidation. As the deformation increases, the tensile strength and hardness of the composite increase while the elongation and electrical conductivity reduce.
出处
《电工材料》
CAS
2012年第2期28-32,共5页
Electrical Engineering Materials
