Influence of the interfacial transition zone between a steel inclusion and cement-based composite on the fracture response of a bent specimen

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F23%3A00571979" target="_blank" >RIV/68081723:_____/23:00571979 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216305:26110/23:PU148128

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S001379442300214X?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S001379442300214X?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.engfracmech.2023.109256" target="_blank" >10.1016/j.engfracmech.2023.109256</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Influence of the interfacial transition zone between a steel inclusion and cement-based composite on the fracture response of a bent specimen

Popis výsledku v původním jazyce

The influence of the interfacial transition zone (ITZ) between a steel inclusion and fine-grained cement-based composite on fracture behaviour of the specimen with the inclusion is investigated. Three-point bending fracture tests were conducted and the mechanical fracture properties of the composite were evaluated based on the results of the tests. The numerical analysis of the fracture test was performed and related to the experimental data obtained during crack propagation, and the microstructure of fracture surfaces. The crack propagation conditions were assessed based on the criterion of the average value of tangential stress calculated over certain distance in dependence on the polar angle (GMTS criterion). We concluded that the fracture toughness of the interface KIc, ITZ is equal to 33 % of the fracture toughness of matrix KIc, MTX. The poor fracture properties of ITZ are responsible for the reduction of load-bearing capacity of whole specimen with inclusion in comparison to the sample without the inclusion.

Název v anglickém jazyce

Influence of the interfacial transition zone between a steel inclusion and cement-based composite on the fracture response of a bent specimen

Popis výsledku anglicky

The influence of the interfacial transition zone (ITZ) between a steel inclusion and fine-grained cement-based composite on fracture behaviour of the specimen with the inclusion is investigated. Three-point bending fracture tests were conducted and the mechanical fracture properties of the composite were evaluated based on the results of the tests. The numerical analysis of the fracture test was performed and related to the experimental data obtained during crack propagation, and the microstructure of fracture surfaces. The crack propagation conditions were assessed based on the criterion of the average value of tangential stress calculated over certain distance in dependence on the polar angle (GMTS criterion). We concluded that the fracture toughness of the interface KIc, ITZ is equal to 33 % of the fracture toughness of matrix KIc, MTX. The poor fracture properties of ITZ are responsible for the reduction of load-bearing capacity of whole specimen with inclusion in comparison to the sample without the inclusion.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Projekt

<a href="/cs/project/GA21-08772S" target="_blank" >GA21-08772S: Vliv samovyhojovacích účinků na prodloužení životnosti konstrukcí vyrobených z vysokohodnotného betonu</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Engineering Fracture Mechanics

ISSN

0013-7944

e-ISSN

1873-7315

Svazek periodika

286

Číslo periodika v rámci svazku

JUN

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

18

Strana od-do

109256

Kód UT WoS článku

001000764000001

EID výsledku v databázi Scopus

2-s2.0-85156233143