Variability of structural aluminium alloys mechanical properties (CROSBI ID 237761)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Dokšanović, Tihomir ; Džeba, Ivica ; Markulak, Damir
engleski
Variability of structural aluminium alloys mechanical properties
Content of alloying elements, type of treatment, welding and testing parameters result in variability of mechanical properties of aluminium alloys, which needs to be taken into account in design procedures. The degree of variability and current nominal values safety level were evaluated using a collection of results from published sources, expanded with experimental work. Processed results of proof and tensile strengths were fitted to distributions and cumulative function relevant fractiles for design purposes determined. It was established that ratios of characteristic to nominal values vary from 1.23 to 0.75, being unsafe or having a built in excess margin of safety, so new nominal values were proposed. These new values provide a more economical material partial factor value and a uniform reliability level.
Reliability ; Design ; Aluminium ; Material partial factor
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