The influence of static mechanisms on fatigue crack propagation in Ti and Ti-V microalloyed steels is considered. Small inclusions originate void nucleation. In contrast, TiN coarse particles contribute to the formation of bursts of cleavage in the fatigue zone. Taking into account the microstructural characteristics of the matrix that surrounds the particle, the microcrack can be confined within the particle or propagate along the matrix forming a cleavage burst. The influence on macroscopic crack propagation of both types of static micromechanisms is considered. [S0094-4289(00)00902-6]
Fracture Static Mechanisms on Fatigue Crack Propagation in Microalloyed Forging Steels
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division April 13, 1999; revised manuscript received October 14, 1999. Associate Technical Editor: S. Mall.
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Linaza , M. A., and Rodriguez-Ibabe, J. M. (October 14, 1999). "Fracture Static Mechanisms on Fatigue Crack Propagation in Microalloyed Forging Steels ." ASME. J. Eng. Mater. Technol. April 2000; 122(2): 198–202. https://doi.org/10.1115/1.482787
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