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 7th Balkan Mining Congress - confOrganiser.com

7th Balkan Mining Congress

October 11 - 13, 2017.

RESIDUAL LIFE EVALUATION OF A THREADED ROUND BAR WITH SURFACE CRACK UNDER CYCLIC LOADING

Author(s):
1. Slobodanka Boljanović, High School of Mechanical Engineering, Belgrade, Serbia
2. Stevan Maksimović, Vojnotehnički Institut Beograd, Serbia
3. Strain Posavljak, Faculty of Mechanical Engineering, Republic of Srpska, Bosnia and Herzegovina


Abstract:
A computational procedure is formulated in order to investigate the propagation of surface crack in a threaded round bar. The fatigue strength calculation includes the stress analysis and fatigue life calculation. The authors employed the crack growth law based on a two-parameter driving force model for the residual strength evaluation. The estimations are compared with available experimental data. The computed results are in a good agreement with experimental observations.

Key words:
fatigue, threaded round bar, surface crack, life calculation

Thematic field:
Mechanics and Design

Date of abstract submission:
13.05.2015.

Conference:
12th International conference on accomplishments in Electrical and Mechanical Engineering and Information Technology (DEMI 2015)

Final paper

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