Optical measurement of the plastic zone size in a notched metal specimen subjected to low-cycle fatigue

Optics and Lasers in Engineering

Volumn 35, Issue 6, 2001, Pages 325-333

  Diaz F V ^a   Kaufmann, G H ^a,b   Armas, A F ^a,b   Galizzi, G E ^a  

^a INSTITUTO DE FÍSICA ROSARIO   (Argentina)

^b UNIVERSIDAD NACIONAL DE ROSARIO   (Argentina)

Author keywords

Fatigue; Light scattering; Plastic damage

Indexed keywords

CRACK INITIATION; FATIGUE OF MATERIALS; LIGHT MEASUREMENT; LIGHT SCATTERING; PLASTIC DEFORMATION; SURFACE ROUGHNESS;

PLASTIC ZONE SIZE;

METAL TESTING;

EID: 0035362968     PISSN: 01438166     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0143-8166(01)00030-6     Document Type: Article

References (14)

1. Stress state and surface roughness
2. The roughening of free surface during plastic working
3. Strain measurement by optical correlation
4. Measurement of plastic deformation by means of laser beam
5. Determination of plastic strains at notches by image-processing methods
6. Determination of the plastic zone by laser-speckle correlation
7. Local fatigue damage accumulation around notch attending crack initiation
8. Effect of stress ratio on local fatigue damage accumulation around notch
9. Holographic investigation of residual deformations induced by a pulsed ion implanter