The effect of silicon and aging on mechanical properties and fracture response of drawn high-strength pearlitic steel wire

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Wires with patented and cold drawn pearlitic microstructures and strength levels of 1950 MPa and 2250 MPa were made from steel containing 0.9 wt pct C and either 0.23 wt pct Si or 1.30 wt pct Si and aged at temperatures between 350 and 500 C for various times. Aging increased strength and reduced ductility, but strength increases and resistance to spheroidzation were greater in the high Si wires.

SKU: P05390 Category:

Description

Wires with patented and cold drawn pearlitic microstructures and strength levels of 1950 MPa and 2250 MPa were made from steel containing 0.9 wt pct C and either 0.23 wt pct Si or 1.30 wt pct Si and aged at temperatures between 350 and 500 C for various times. Aging increased strength and reduced ductility, but strength increases and resistance to spheroidzation were greater in the high Si wires.

Additional information

Author(s)

Ryan Pennington, Bekaert Corporation, USA, Walther Van Raemdonck, NV Bekaert SA, Belgium, and David K. Matlock and George Krauss, Colorado School of Mines, USA

Publication/Event/Pages

Paper presented at WAI's 80th Annual Convention (Wire Expo) in Milwaukee, May 2010.

Year

2010