Results 1 to 10 of about 1,906 (117)

On the texture evolution of Mg–Zn–Ca alloy with different hot rolling paths

open access: yesJournal of Magnesium and Alloys, 2017
In the present study, the texture evolution and mechanical anisotropy in a typical Mg–Zn–Ca alloy through hot cross rolling (CR) and unidirectional rolling (UR) were systematically studied.
Q. Li   +5 more
doaj   +3 more sources

MICROSTRUCTURAL EVOLUTION OF THE NORMALIZING PLATE ROLLING OF NIOBIUM MICROALLOYED STEELS [PDF]

open access: yesTecnologia em Metalurgia, Materiais e Mineração, 2015
There are concerns about the use of Nb microalloyed steels in the normalizing rolling of plate steels, as this thermomechanical treatment is finished at a temperature range where Nb(CN) precipitation can promote partial recrystallization of austenite ...
Antonio Augusto Gorni   +1 more
doaj   +1 more source

Research on Roll Shape Design for Quarter Wave Control of High-Strength Steel

open access: yesMetals, 2023
Quarter wave defects often occur in high-strength steel production in wide rolling mills, which seriously affect product quality and production stability.
Chao Liu   +8 more
doaj   +1 more source

CHARACTERIZATION OF THE FRICTION CONDITIONS IN THE FINISHING STANDS OF A HOT STRIP MILL [PDF]

open access: yesTecnologia em Metalurgia, Materiais e Mineração, 2012
The decrease in hot strength or even rolling load as strain increases in some stands of the finishing hot strip mill with no metallurgical reasons is a relatively common event.
Antonio Augusto Gorni   +1 more
doaj   +1 more source

Evaluation Method and Application of Cold Rolled Strip Flatness Quality Based on Multi-Objective Decision-Making

open access: yesMetals, 2022
Flatness is a vital quality index that determines the dimensional accuracy of the cold-rolled strip. This paper designs a local shape wave extraction algorithm and a fuzzy classification algorithm for overall flatness defect classification based on ...
Qiuna Wang   +4 more
doaj   +1 more source

Selection of significant visual features for classification of scales using boosting trees model [PDF]

open access: yesComputer Methods in Materials Science, 2013
The subject of this paper is to design and implement an efficient model for various kinds of scales recognition at the Hot Rolling Mill (HRM) in Kraków.
Szymon Lechwar
doaj   +1 more source

Research on the Cause and Control Method of Edge Warping Defect during Hot Finishing Rolling

open access: yesMetals, 2023
Different from the cross-section profile defects caused by uneven roll wear or external forces during hot finishing rolling, the edge warping defect often occurs and has special local characteristics. However, the cause and control method of edge warping
Chao Liu   +9 more
doaj   +1 more source

Behavioural Study of High Carbon Steel Material in Hot and Cold Working Media: A Review [PDF]

open access: yesE3S Web of Conferences, 2023
Due to its exceptional mechanical properties, such as its high strength and hardness, high-carbon steel is utilised extensively in various industries. The way of behaving of high-carbon steel is impacted by various handling strategies, for example, hot ...
Okokpujie Imhade P.   +5 more
doaj   +1 more source

Texture, Microstructure and Mechanical Properties of 6111 Aluminum Alloy Subject to Rolling Deformation [PDF]

open access: yesMaterials Research, 2017
The mechanical properties, texture and microstructural evolution of a 6111 aluminum alloy during hot rolling and cold rolling deformation were systematically investigated in this article.
Lixin Zhang   +6 more
doaj   +1 more source

Copula-based model for hot-rolling back-up roll health prediction

open access: yes工程科学学报, 2020
The health condition of hot-rolling back-up rolls plays a key role in controlling the strip profile quality and rolling stability. The characteristics of nonlinearity, strong coupling, and the use of limited samples complicate the prediction of the back ...
Tian-lun LI   +5 more
doaj   +1 more source

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