NDLI: Texture Evolution of a Non-oriented Electrical Steel Cold Rolled at Directions Different from the Hot Rolling Direction

Content Provider	Springer Nature Link
Author	He, Youliang Hilinski, Erik Li, Jian
Copyright Year	2015
Abstract	With the objective of optimizing the crystallographic texture of non-oriented electrical steel, i.e., reducing the 〈111〉//ND and 〈110〉//RD fibers and promoting the 〈001〉//ND texture, a new rolling scheme was proposed and tested, in which the cold rolling direction (CRD) was intentionally inclined at an angle to the hot rolling direction (HRD) in order to change the orientation flow paths during cold rolling and alter the final texture of the annealed sheets. A non-oriented electrical steel containing 0.88 wt pct Si was hot rolled using conventional routes and annealed, and a number of rectangular plates were cut from the hot band with the longitudinal directions inclined at various angles, i.e., 0, 15, 30, 45, 60, 75, and 90 deg, to the HRD. These plates were then cold rolled along the longitudinal directions with a thickness reduction of 72 pct. The cold-rolled samples were annealed, temper rolled and annealed again (final annealing). The texture evolution during hot rolling, hot band annealing, cold rolling, and final annealing was characterized by electron backscatter diffraction and X-ray diffraction techniques. By changing the CRD with respect to the HRD, the initial texture and the orientation flow paths were altered, which resulted in apparent differences in the textures as compared to conventional cold rolling. After temper rolling and final annealing, the recrystallization textures consisted of mainly a 〈001〉//ND fiber and there was almost no 〈111〉//ND fiber. The sample cold rolled at an angle of 60 deg to the HRD had the strongest texture (intensity almost 2× of conventional rolling) with a maximum at the cube {001}〈100〉 orientation—a magnetically favorable orientation for non-oriented electrical steels.
Starting Page	5350
Ending Page	5365
Page Count	16
File Format	PDF
ISSN	10735623
Journal	Metallurgical and Materials Transactions A
Volume Number	46
Issue Number	11
e-ISSN	15431940
Language	English
Publisher	Springer US
Publisher Date	2015-09-08
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metallic Materials Characterization and Evaluation of Materials Structural Materials Surfaces and Interfaces, Thin Films Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Metals and Alloys Condensed Matter Physics

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