2008
DOI: 10.1007/s11661-008-9467-8
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Fatigue Isotropy in Cross-Rolled, Hardened Isotropic-Quality Steel

Abstract: Deformation and forging operations often introduce microstructural orientation and, therewith, mechanical anisotropy to steel. Flattened manganese sulfide inclusions are held responsible for a great part of fatigue anisotropy. Isotropic-quality (IQ) steel maintains the mechanical isotropy of the material, even after a deformation operation. Isotropic material generally contains little S and, therewith, few manganese sulfides. Further, the IQ steels used in this investigation were Ca treated. The Ca treatment i… Show more

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Cited by 18 publications
(20 citation statements)
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“…In most forged materials, manganese sulfides lead to anisotropic behavior, with considerably lowered fatigue strength in the least favorable directions. [17][18][19] To overcome these limitations, the manganese sulfides would need both to have an equiaxed shape and to be well distributed in the material. …”
Section: F Glide Bands and Crack Patterns On Specimen Surfacesmentioning
confidence: 99%
“…In most forged materials, manganese sulfides lead to anisotropic behavior, with considerably lowered fatigue strength in the least favorable directions. [17][18][19] To overcome these limitations, the manganese sulfides would need both to have an equiaxed shape and to be well distributed in the material. …”
Section: F Glide Bands and Crack Patterns On Specimen Surfacesmentioning
confidence: 99%
“…The focus of the present work is mainly on the low‐cycle fatigue of sheet metal components. The role of inclusions is less significant in sheet metal when compared to thicker sections as in forgings . Besides, the minor variations in ‘ b ’ cannot cause appreciable difference in the low‐cycle fatigue curve.…”
Section: Validation Of Anisotropic Strain–life Curvementioning
confidence: 99%
“…For cast alloys, micro shrinkage voids and porosity due to degassing control the fatigue behaviour [5][6][7]. For rolled or forged alloys, porosity is not an issue, however nonmetallic inclusion are the type of defect which is the most detrimental [8][9][10]. The term "matrix", which is more commonly used when referring to composite materials, is used here as a general term to describe the material that surrounds the defects.…”
Section: Introductionmentioning
confidence: 99%