Effects of Statistical Distribution of Micro-Cracks on Scatter of Fracture Toughness of Steels under Brittle Conditions

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27690%2F18%3A10241841" target="_blank" >RIV/61989100:27690/18:10241841 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0013794410003942" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0013794410003942</a>

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Effects of Statistical Distribution of Micro-Cracks on Scatter of Fracture Toughness of Steels under Brittle Conditions

Popis výsledku v původním jazyce

Aim of the paper is analysis of the effects of statistical distribution of micro-cracks on scatter of fracture toughness of steels under brittle conditions. The results are utilized for reliability assessment of selected functional parts. The reliability considered as a complementary probability of brittle fracture initiation is discussed in dependence on the character of statistical distribution of micro-crack sizes, mechanical properties of steel, mechanisms of energy dissipation during cracks propagation, variation of loading, stress state of functional part and its service life. This probability approach is compared with deterministic reliability access originating from computation of safety factor. Its rational evaluation as a function of acceptable probability of fracture instability provides high economic effects saving materials and energy.

Název v anglickém jazyce

Effects of Statistical Distribution of Micro-Cracks on Scatter of Fracture Toughness of Steels under Brittle Conditions

Popis výsledku anglicky

Aim of the paper is analysis of the effects of statistical distribution of micro-cracks on scatter of fracture toughness of steels under brittle conditions. The results are utilized for reliability assessment of selected functional parts. The reliability considered as a complementary probability of brittle fracture initiation is discussed in dependence on the character of statistical distribution of micro-crack sizes, mechanical properties of steel, mechanisms of energy dissipation during cracks propagation, variation of loading, stress state of functional part and its service life. This probability approach is compared with deterministic reliability access originating from computation of safety factor. Its rational evaluation as a function of acceptable probability of fracture instability provides high economic effects saving materials and energy.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/TA02011179" target="_blank" >TA02011179: Nové metody hodnocení úrovně poškození materiálů při odhadu zbytkové životnosti konstrukcí</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Hutnické listy

ISSN

0018-8069

e-ISSN

—

Svazek periodika

6/2018

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

—

Kód UT WoS článku

000390884600018

EID výsledku v databázi Scopus

—