NDLI: Modeling the Laws that Determine the Quality of Rolled Rounds During the Rolling Operation

Content Provider	Springer Nature Link
Author	Brinza, V. V. Kuznetsov, I. S.
Copyright Year	2014
Abstract	It is proposed that results obtained from the experimental-theoretical solution of a three-dimensional problem on the plastic flow of metal be used to determine the main reasons for variations in the output of usable metal products. The results were obtained on the basis of models of quality. Modeling was performed to analyze a technology for rolling a broad range of structural-grade carbon-steel rounds that then undergo cold extrusion and upsetting. The rounds are rolled on a light-section mill and a rod mill at the EVRAZ ZSMK combine. It is shown that under the given production conditions the value of the integral index of rolled-product quality which characterizes the output of usable metal over long periods of time is determined mainly by simultaneous processes that involve the healing (or deepening) of surface defects, the formation of cracks on the surface of the semifinished products, nonuniform wear of the grooves of the rolling-mill passes, and depletion of the reserve ductility of the metal in the region where it comes into contact with the grooves. The results have been used to substantiate corrective measures taken in the multi-stage manufacture of rolled products at the combine. The measures were substantiated within the context of the combine's existing quality-control system.
Starting Page	510
Ending Page	515
Page Count	6
File Format	PDF
ISSN	00260894
Journal	Metallurgist
Volume Number	58
Issue Number	5-6
e-ISSN	15738892
Language	English
Publisher	Springer US
Publisher Date	2014-10-08
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	output of usable metal rounds design rating models of quality modeling section rolling corrective measures Metallic Materials Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Developing methods of controlling the structure and properties of cold-rolled steel to increase usable output and stabilize mechanical characteristics

Pilot production of X80 rolled sheet at Alchevsk metallurgical combine

Investigation into the state of metal during radial-shear rolling on a SRVP-130 mill

Devising a set of measures to improve the quality of rolled plates in the Z-direction

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Forming characteristics of slabs during rough rolling

Comparative Analysis of the Quality of Parts Made from Rolled Metal Products Obtained from Different Manufacturers

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Modeling the Laws that Determine the Quality of Rolled Rounds During the Rolling Operation

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