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Low cycle fatigue life and creep life of material in tube bends made of 15NiCuMoNb5-6-4 steel

  • Silesian University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

The article addresses results of tests of performance characteristics of a tube bend made of the 15NiCuMoNb5-6-4 steel, the latter being for manufacture of feed water pipelines used in power engineering systems. The tube bend was developed by bending with local induction heating, and the optimum tube bending parameters were established based on numerical simulations of the bending process. The mechanical properties of the tube bend were attained through quenching and tempering. Tests of mechanical properties were conducted using samples collected at different zones of the tube bend (the straight one as well as those subject to tension and compression), and compared with properties of the as-delivered tube material. The established basic mechanical properties of the tube bend, required under the applicable standards, were supplemented with results of low-cycle fatigue and creep tests, the purpose of which was to acquire information on the tube bend material service life under conditions of steady and unsteady operation of a power unit.

Original languageEnglish
Title of host publicationFatigue Failure and Fracture Mechanics XXVI
Subtitle of host publicationProceedings of the XXVI Polish National Conference on Fatigue Failure and Fracture Mechanics
EditorsDariusz Skibicki
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735414426
DOIs
Publication statusPublished - 20 Oct 2016
Event26th Polish National Conference on Fatigue Failure and Fracture Mechanics - Fojutowo, Poland
Duration: 17 May 201620 May 2016

Publication series

NameAIP Conference Proceedings
Volume1780
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference26th Polish National Conference on Fatigue Failure and Fracture Mechanics
Country/TerritoryPoland
CityFojutowo
Period17/05/1620/05/16

ASJC Scopus subject areas

  • General Physics and Astronomy

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