Influence of Heat Treatment on Crack Tip Opening Displacement and on Resistance of Crack Propagation of Alloyed Steel

Dragan Pustaić; Franjo Cajner

doi:10.4028/www.scientific.net/KEM.592-593.660

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 592-593Influence of Heat Treatment on Crack Tip Opening...

Influence of Heat Treatment on Crack Tip Opening Displacement and on Resistance of Crack Propagation of Alloyed Steel

Abstract:

The aim of the performed investigations was to determine the influence of two different heat treatment procedures, i.e. hardening and tempering vs. austempering, on some mechanical properties, as well as the influence of these procedures on the magnitude of some fracture mechanics parameters for example, crack tip opening displacement (CTOD) and J-integral. The experimental investigations were performed on the specimens made of spring steel 65Si7 (chemical composition: 0.69% C, 1.56% Si and 0.90% Mn).

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Periodical:

Key Engineering Materials (Volumes 592-593)

Pages:

660-663

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.592-593.660

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Online since:

November 2013

Authors:

Dragan Pustaić, Franjo Cajner

Keywords:

Austempering, Fracture Mechanics Parameters: Crack Tip Opening Displacement, Hardening, Heat Treatment Procedures, J-Integral, Mechanical Property, Tempering, Toughness

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References

[1] D. Pustaic and F. Cajner: Key Engineering Materials, (MSMF-6), Vol. 465 (2011), Trans Tech Publications, Switzerland, edited by P. Sandera, pp.346-349.

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