Short fatigue crack growth in a residual stress field in a 7075 al-alloy after shot peening

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25797000%3A_____%2F12%3A%230000307" target="_blank" >RIV/25797000:_____/12:#0000307 - isvavai.cz</a>

Result on the web

<a href="http://www.uniza.sk/komunikacie" target="_blank" >http://www.uniza.sk/komunikacie</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Short fatigue crack growth in a residual stress field in a 7075 al-alloy after shot peening

Original language description

The paper contains results of an investigation of effects of shot peening on growth of physically short fatigue cracks in a 2.4 mm thick sheet of a 7075 L-alloy, clad with a 7072 Al-alloy. Using an improved and verified experimental methodology, particularly direct current potential drop (DCPD) method, short fatigue cracks of the length from 0.2 mm to more than 3 mm, most of them between 0.8 - 1.5 mm, were prepared under high cycle fatigue repeated tensile loading. Edges of the specimens with short fatigue cracks were then shot peened. Significant retardation of crack growth was observed particularly in case of cracks shorter than 2 mm. The work was completed by a unique measurement of actual crack growth rate throughout the peened area with residual stresses starting with crack length less than 0.2 mm.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JL - Fatigue and fracture mechanics

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2012

Confidentiality

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

Name of the periodical

Komunikacie

ISSN

1335-4205

e-ISSN

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Volume of the periodical

14

Issue of the periodical within the volume

4

Country of publishing house

SK - SLOVAKIA

Number of pages

6

Pages from-to

31-36

UT code for WoS article

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EID of the result in the Scopus database

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