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The Significance of the Impact Fracture Strength
The Relationship of Microstructure to Fracture Morphology
Fracture of CaseHardened Steels and Residual Stress Effects
7 other sections not shown
0Lcr value 14 NiCr 16 MnCr alloy steel alloying elements amount of retained applied austenitizing temperature bainite bend specimen bend strength bending fatigue bending tests calculated carbon level carburising carburized steels case-hardened steels cementite characteristics components composition compressive residual stress compressive stress constant crack initiation crack length cylinder decrease depth determined developed diagram Diesburg dislocation dispersed carbides effect elastic limit equation evaluated fatigue crack fatigue limit fatigue resistance fatigue strength ferrite Figure 11 fracture load fracture mechanics fracture toughness gear grain boundaries hardened steels hardness heat treatment high C steels high-cycle fatigue impact fracture impact testing increase influence lattice strain linear macro martensite material measured microstrain microstructure molybdenum NiCr 18 nitriding occurs oil quenched overload pearlite phase plastic deformation predicted residual macrostress retained austenite content shot peening shown in Figure strain rate stress intensity surface carbon content tempered tensile transformation workpiece X-ray diffraction