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H.L. Gui, L.F. Ma, X.G. Wang, X. Yang, Q.X. Huang , Q. Li.  Analysis of the neutral layer offset of bimetal composite plate in the straightening process using boundary element subfield method. Applied Mathematical Modelling 50 (2017) 732¨C740.

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guihailian(Ðľ²_ÒÀÈ»´ú·¢): ½ð±Ò+5, ¸ÐлӦÖú 2017-11-13 17:16:10
Ðľ²_ÒÀÈ»: LS-EPI+1, ¸ÐлӦÖú 2017-11-13 17:16:16
Analysis of the neutral layer offset of bimetal composite plate in the straightening process using boundary element subfield method


×÷Õß:Gui, HL (Gui, H. L.)[ 1,2 ] ; Ma, LF (Ma, L. F.)[ 1,3 ] ; Wang, XG (Wang, X. G.)[ 1,2 ] ; Yang, X (Yang, X.)[ 1,3 ] ; Huang, QX (Huang, Q. X.)[ 1,2 ] ; Li, Q (Li, Q.)[ 4 ]




APPLIED MATHEMATICAL MODELLING



¾í: 50

Ò³: 732-740

DOI: 10.1016/j.apm.2017.04.038

³ö°æÄê: OCT 2017

²é¿´ÆÚ¿¯Ó°Ïì












































ÕªÒª

In the classical straightening theory, it supposes that the geometric central layer and stress neutral layer are a coincidence. However, there is some offset in fact. This is one of the reasons why straightening force is inaccurate in the straightening process. In this paper, the boundary element subfield method is used to analyze the three-dimension elastic plastic deformation of a bimetal composite plate in the straightening process. At first, the boundary integral equation of a bimetal composite plate is established by the boundary element subfield method. Then, through analyzing the deformation in the rolled piece straightening, it shows that the geometric central layer does not coincide with the neutral layer. The formula of the neutral layer offset is established and the change law is discussed. At the same time, the influence of the neutral layer offset on the precision of straightening force is researched. From the numerical analysis, it shows that the error of the straightening force reaches to 5% whether considering the neutral layer offset. This demonstrates that the neutral layer offset is one of the important factors to give the straightening force inaccurately. It is ought to consider the neutral layer offset when the model of straightening force is established. (C) 2017 Elsevier Inc. All rights reserved.


¹Ø¼ü´Ê

×÷Õ߹ؼü´Ê:Boundary element subfield method; Bimetal composite plate; Straightening; Neutral layer offset


×÷ÕßÐÅÏ¢

ͨѶ×÷ÕßµØÖ·: Gui, HL (ͨѶ×÷Õß)





Taiyuan Univ Sci & Technol, Mat Sci & Engn Sci Coll, Taiyuan 030024, Shanxi, Peoples R China.





µØÖ·:





[ 1 ] Taiyuan Univ Sci & Technol, China Minist Educ, Heavy Ind Engn Ctr, Taiyuan 030024, Shanxi, Peoples R China







[ 2 ] Taiyuan Univ Sci & Technol, Mat Sci & Engn Sci Coll, Taiyuan 030024, Shanxi, Peoples R China







[ 3 ] Taiyuan Univ Sci & Technol, Coll Mech Engn, Taiyuan 030024, Shanxi, Peoples R China





      

[ 4 ] Taiyuan Heavy Ind Co Ltd, Technol Ctr, Taiyuan 030024, Shanxi, Peoples R China



µç×ÓÓʼþµØÖ·:guihailian@qq.com


»ù½ð×ÊÖúÖÂл



»ù½ð×ÊÖú»ú¹¹

ÊÚȨºÅ



Natural Science Foundation of Shanxi Province


201601D011051



NSFC Shanxi coal based low carbon joint fund


U1510131



National Natural Science Foundation of China


51675362

51504157

51375325



Science and Technology Major Projects of Shanxi Province


MC2015-01



Excellent Talents Science and Technology Innovation Project of Shanxi Province


201605D211018



Key Research and Development Program of Shanxi Province


201603D121010



Outstanding Innovative Teams of Higher Learning Institutions of Shanxi Province


20131086

²é¿´»ù½ð×ÊÖúÐÅÏ¢   




³ö°æÉÌ

ELSEVIER SCIENCE INC, 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA


Àà±ð / ·ÖÀà

Ñо¿·½Ïò:Engineering; Mathematics; Mechanics

Web of Science Àà±ð:Engineering, Multidisciplinary; Mathematics, Interdisciplinary Applications; Mechanics


ÎÄÏ×ÐÅÏ¢

ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:English

Èë²ØºÅ: WOS:000411534700042

ISSN: 0307-904X

eISSN: 1872-8480


ÆäËûÐÅÏ¢

IDS ºÅ: FH9MA

Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 17

Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0


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