[G] Fundamentals of Mechanical Properties

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[177] Characterization of Cold Drawn Pearlite Steel
Microstructure and Mechanical Properties

○Kei Hirai¹, Takumi Akada¹, Tetsuya Nakajima¹, Aiko Tominaga¹ (1. Sumitomo Electric Industries, Ltd.)

Keywords:

Pearlitic steel wire,Wire drawing,Strength,Toughness,Dislocation density

Pearlitic steel wire is indispensable for high-strength components (e.g., PC steel and spring wires). We identify key factors governing microstructural evolution and mechanical properties during wire drawing (0 < ε < 4), aiming to increase strength while mitigating toughness loss.