National Repository of Grey Literature 16 records found  previous11 - 16  jump to record: Search took 0.00 seconds. 
Fatigue Properties of Steels Under Multiaxial Loading
Václavík, Martin ; Svoboda, Jaroslav
Study of combined loading influence to fatigue lifetime of smooth polished specimens made by the material 11523.1. Followed are the stress field changes at various rates of shear and normal loading, and the coherence between the level of particular stress components and specimen fatigue lifetime. Three hypotheses for limit stress computations (HMH, Findley´s and Dang Van's)were verified.
Software support of fatigue tests
Balda, Miroslav
The paper deals with a problem of preparation of non-standard tests to be run on hydroelectric loading systems INOVA and Instron, and processing measured data. The goal of tests is to obtain new information on material properties under random loading. The fatigue tests are carried out on the computer controlled systems.
Criterion for fatigue strength prediction under combined multiaxial loading
Zemandl, Milan
Criterion for fatigue lifetime predictions and strength under multiaxial combined loading.
Stressing optimization under shortened fatigue tests applications
Svoboda, Jaroslav
Paper sumarizes results of works focused on parameter optimization of the Rešet method of shortened fatigue tests that can be successfully applied to fatigue strength evaluation of dynamically stressed real structures. Works are aimed particularly at so called step loading speed, which significantly influences the test results.
A stress analysis of notched specimens under multiaxial loading
Václavík, Martin
Linear stress analysis of notched specimens under proportional multiaxial loading is described in the paper. For stress-state analysis in specimen critical place FEM is used. Stress concentration factors are compared to theoretical values according to Tresca and von Mises yield criteria.

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