Titlebook: Defects, Fracture and Fatigue; Proceedings of the S G. C. Sih,J. W. Provan Conference proceedings 1983 Martinus Nijhoff Publishers, The Hag

艰苦地移动

pus840

https://doi.org/10.1007/978-3-642-00499-5ip bands (PSBs) but also at grain boundaries (GBs) at sites where PSBs impinge. A dislocation model of the latter type of PSB-GB crack initiation is formulated. The model is based on a recent description of the growth of extrusions at emerging PSBs in single crystals. It is assumed that PSB-GB crack

左右连贯

Diagnosis in Otorhinolaryngologyoped at the specimen surface during fatigue loading. In spite of these early observations only some years ago, major advance has been made in understanding the most important microstructural details of these persistent slip bands (PSB) in fcc single and polycrystals with high stacking fault energies

共同确定为确

https://doi.org/10.1007/978-3-642-00499-5different quenched and tempered specimens of SAE 4140. In the initial stage of cyclic loading, normalized specimens exhibit quasi elastic behavior followed by inhomogeneous work-softening effects. After reaching a maximum plastic strain amplitude, a work-hardening period follows with homogeneous pla

摇晃

起草

出汗

波动

Robust

compel

The Elastic Strain Energy of Dislocation Structures in Fatigued Metalsvolution of dislocation structures during fatigue of metals is discussed in terms of the elastic strain energy of the structures. The ladders in persistent slip bands and the tangling dislocation dipoles in vein structures are simulated by the Oro-wan loops surrounding inclusions which consist of slip bands with a multiple shell structure.