Analysis of the plasticity margin in a rolling site

Abstract

A stress-deformed state of zirconium alloy in a cold rolling site is investigated considering the process of evolution of localized deformation autowaves and changes in the ultrasound velocity. It is established that transition from the upsetting to reduction region is accompanied by significant exhaustion of the plasticity margin of the material; therefore, fracture of the material is most probable exactly in this region. It is stated that traditional methods of estimating the plasticity margin from the mechanical characteristics cannot reveal this region; comprehensive analysis of plastic strain macrolocalization and results of acoustic measurements are required.

Original language	English
Pages (from-to)	1389-1393
Number of pages	5
Journal	Russian Physics Journal
Volume	54
Issue number	12
DOIs	https://doi.org/10.1007/s11182-012-9759-8
Publication status	Published - 1 May 2012

Keywords

localized deformation autowaves
plasticity margin
rolling

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1007/s11182-012-9759-8

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title = "Analysis of the plasticity margin in a rolling site",

abstract = "A stress-deformed state of zirconium alloy in a cold rolling site is investigated considering the process of evolution of localized deformation autowaves and changes in the ultrasound velocity. It is established that transition from the upsetting to reduction region is accompanied by significant exhaustion of the plasticity margin of the material; therefore, fracture of the material is most probable exactly in this region. It is stated that traditional methods of estimating the plasticity margin from the mechanical characteristics cannot reveal this region; comprehensive analysis of plastic strain macrolocalization and results of acoustic measurements are required.",

keywords = "localized deformation autowaves, plasticity margin, rolling",

author = "Ploskov, {N. A.} and Danilov, {V. I.} and Zuev, {L. B.} and Bolotina, {I. O.} and Orlova, {D. V.}",

year = "2012",

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doi = "10.1007/s11182-012-9759-8",

language = "English",

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pages = "1389--1393",

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T1 - Analysis of the plasticity margin in a rolling site

AU - Ploskov, N. A.

AU - Danilov, V. I.

AU - Zuev, L. B.

AU - Bolotina, I. O.

AU - Orlova, D. V.

PY - 2012/5/1

Y1 - 2012/5/1

N2 - A stress-deformed state of zirconium alloy in a cold rolling site is investigated considering the process of evolution of localized deformation autowaves and changes in the ultrasound velocity. It is established that transition from the upsetting to reduction region is accompanied by significant exhaustion of the plasticity margin of the material; therefore, fracture of the material is most probable exactly in this region. It is stated that traditional methods of estimating the plasticity margin from the mechanical characteristics cannot reveal this region; comprehensive analysis of plastic strain macrolocalization and results of acoustic measurements are required.

AB - A stress-deformed state of zirconium alloy in a cold rolling site is investigated considering the process of evolution of localized deformation autowaves and changes in the ultrasound velocity. It is established that transition from the upsetting to reduction region is accompanied by significant exhaustion of the plasticity margin of the material; therefore, fracture of the material is most probable exactly in this region. It is stated that traditional methods of estimating the plasticity margin from the mechanical characteristics cannot reveal this region; comprehensive analysis of plastic strain macrolocalization and results of acoustic measurements are required.

KW - localized deformation autowaves

KW - plasticity margin

KW - rolling

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JO - Russian Physics Journal

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