[P] P177~P201 Microstructures

[P189] Fundamental Study on Microstructural Control for the Development of Cu-Co₃Ti Multiphase Materials

○Go Tomita¹, Shan Lin¹, Satoshi Semboshi¹ (1. Shimane Univ.)

Keywords:

Copper Alloys,Electrical Conductivity,Strength,Multiphase Strength,Microstructure

Cu-5 at.% Co₃Ti alloy was fabricated and subjected to multi-step aging. Electrical conductivity increased from 25.0% to 47.1% IACS due to precipitation of Co- and Ti-rich particles, while hardness remained nearly constant at ~100 HV. Microstructural evolution was analyzed by SEM/EDS.