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100 $a20131227d2014 uy 0
101 0 $aeng
135 $aur|n|---|||||
181 $ctxt
182 $cc
183 $acr
200 10$aFatigue limit in metals /$fClaude Bathias
210 1$aLondon, England ;$aHoboken, New Jersey :$cISTE Ltd :$cJohn Wiley & Sons,$d2014.
210 4$dİ2014
215 $a1 online resource (124 p.)
225 0 $aFocus Series
300 $aDescription based upon print version of record.
311 $a1-84821-476-6
311 $a1-306-20384-8
320 $aIncludes bibliographical references at the end of each chapters and index.
327 $aCover; Title Page ; Contents; ACKNOWLEDGEMENTS; CHAPTER 1. INTRODUCTION ON VERY HIGH CYCLE FATIGUE; 1.1. Fatigue limit, endurance limit and fatigue strength; 1.2. Absence of an asymptote on the SN curve; 1.3. Initiation and propagation; 1.4. Fatigue limit or fatigue strength; 1.5. SN curves up to 109 cycles; 1.6. Deterministic prediction of the gigacycle fatigue strength; 1.7. Gigacycle fatigue of alloys without flaws; 1.8. Initiation mechanisms at 109 cycles; 1.9. Conclusion; 1.10. Bibliography; CHAPTER 2. PLASTICITY AND INITIATION IN GIGACYCLE FATIGUE
327 $a2.1. Evolution of the initiation site from LCF to GCF2.2. Fish-eye growth; 2.2.1. Fracture surface analysis; 2.2.2. Plasticity in the GCF regime; 2.3. Stresses and crack tip intensity factors around spherical and cylindrical voids and inclusions; 2.3.1. Spherical cavities and inclusions; 2.3.2. Spherical inclusion; 2.3.3. Mismatched inclusion larger than the spherical cavity it occupies; 2.3.4. Cylindrical cavities and inclusions; 2.3.5. Cracking from a hemispherical surface void
327 $a2.3.6. Crack tip stress intensity factors for cylindrical inclusions with misfit in both size and material properties2.4. Estimation of the fish-eye formation from the Paris-Hertzberg law; 2.4.1. ""Short crack"" number of cycles; 2.4.2. ""Long crack"" number of cycles; 2.4.3. ""Below threshold"" number of cycles; 2.5. Example of fish-eye formation in a bearing steel; 2.6. Fish-eye formation at the microscopic level; 2.6.1. Dark area observations; 2.6.2. ""Penny-shaped area"" observations; 2.6.3. Fracture surface with large radial ridges; 2.6.4. Identification of the models; 2.6.5. Conclusion
327 $a2.7. Instability of microstructure in very high cycle fatigue (VHCF)2.8. Industrial practical case: damage tolerance at 109 cycles; 2.8.1. Fatigue threshold in N18; 2.8.2. Fatigue crack initiation of N18 alloy; 2.8.3. Mechanisms of the GCF of N18 alloy; 2.9. Bibliography; CHAPTER 3. HEATING DISSIPATION IN THE GIGACYCLE REGIME; 3.1. Temperature increase at 20 kHz; 3.2. Detection of fish-eye formation; 3.3. Experimental verification of Nf by thermal dissipation; 3.4. Relation between thermal energy and cyclic plastic energy
327 $a3.5. Effect of metallurgical instability at the yield point in ultrasonic fatigue3.6. Gigacycle fatigue of pure metals; 3.6.1. Microplasticity in the ferrite; 3.6.2. Effect of gigacycle fatigue loading on the yield stress in Armco iron; 3.6.3. Temperature measurement on Armco iron; 3.6.4. Intrinsic thermal dissipation in Armco iron; 3.6.5. Analysis of surface fatigue crack on iron; 3.7. Conclusion; 3.8. Bibliography; INDEX
330 $aIs there a fatigue limit in metals? This question is the main focus of this book.
Written by a leading researcher in the field, Claude Bathias presents a thorough and authoritative examination of the coupling between plasticity, crack initiation and heat dissipation for lifetimes that exceed the billion cycle, leading us to question the concept of the fatigue limit, both theoretically and technologically.
This is a follow-up to the Fatigue of Materials and Structures series of books previously published in 2011.
Contents 1. Introduction on Very High Cycle Fatigue.
2.
410 0$aFocus series (London, England)
606 $aMetals$xFatigue
615 0$aMetals$xFatigue.
676 $a620.166
700 $aBathias$b Jean-Claude$01624312
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