Effect of AISI316 Stainless Steel Geometry on Temperature Distribution during Hot Rolling at High Reduction

2007 ◽  
pp. 195-200
Author(s):  
O.J. Alamu ◽  
P.O. Aiyedun ◽  
A. Kareem ◽  
M.A. Waheed
Keyword(s):  
Stainless Steel ◽  
Temperature Distribution ◽  
Hot Rolling ◽  
High Reduction

Effect of AISI316 Stainless Steel Geometry on Temperature Distribution during Hot Rolling at High Reduction

2007 ◽  
Vol 18-19 ◽  
pp. 195-200
Author(s):  
O.J. Alamu ◽  
P.O. Aiyedun ◽  
A. Kareem ◽  
M.A. Waheed
Keyword(s):  
Experimental Data ◽  
Stainless Steel ◽  
Temperature Distribution ◽  
Recent Work ◽  
Hot Rolling ◽  
Similar Pattern ◽  
Geometrical Variation ◽  
High Reduction ◽  
Sandwich Rolling

The effects of material geometry on some rolling parameters have been studied. In a recent work, geometrical variation was introduced into the Reverse Sandwich Rolling Model (RSM) for AISI316 Stainless Steel (HCSS316) to study the effect of ingot geometry on temperature distribution during hot rolling. Validation of the model was however limited to hot rolling simulation at low reductions. In this work, the RSM, simulated in FORTRAN, is validated with hot rolling experimental data for higher reductions. Results obtained revealed a similar pattern of symmetrical temperature distribution from the rolling surfaces, to the midthickness of the material as earlier observed at low reductions.

Model for Prediction of Microstructural Events During Rod Hot Rolling of Austenitic Stainless Steel

2002 ◽  
Vol 41 (4) ◽  
pp. 487-495
Author(s):  
T. El-Bitar ◽  
A. Ismail ◽  
I. Rashid ◽  
M.R. El-Koussy
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Hot Rolling

Modelling the Temperature Distribution along the Length of Strip during Hot Rolling Process

2004 ◽  
Vol 75 (5) ◽  
pp. 330-338 ◽  
Author(s):  
Xiaochun Sha ◽  
Dianzhong Li ◽  
Yongjun Lan ◽  
Xiaogang Zhang ◽  
Yiyi Li
Keyword(s):  
Temperature Distribution ◽  
Hot Rolling ◽  
Rolling Process ◽  
Hot Rolling Process

Evolution of Microstructure and Oxidation Layer of 430 Stainless Steel During Hot Rolling

2011 ◽  
Vol 194-196 ◽  
pp. 316-320
Author(s):  
Lian Hong Yang ◽  
Ya Zheng Liu ◽  
Le Yu Zhou ◽  
Long Jiao Li
Keyword(s):  
Stainless Steel ◽  
Hot Rolling ◽  
Experimental Result ◽  
High Temperature Deformation ◽  
Temperature Deformation ◽  
Oxidation Layer ◽  
Deformation Amount ◽  
430 Stainless Steel ◽  
Evolution Of Microstructure

OM, SEM, TEM and XRD were used to analyze microstructure and oxidation layer of 430 stainless steel during hot rolling, and microstructure characteristic and oxidation layer evolution rule under high temperature deformation were studied. It is shown that microstructure after each pass under laboratory rolling condition is composed of austenite and ferrite, but there are significant differences in the size, morphology and distribution of dual phase microstructure. Oxidation layer of each pass consists mostly of Fe2O3, Fe3O4 and FeCr2O4. Thickness of surface oxide film decreases from 12μm to about 4~5μm as rolling pass increases. Compared to experimental result of laboratory rolling, because high-pressure descaling is used in practical production, meanwhile deformation amount is higher and surface quality of roller is better, oxidation layer of finished product is uniform, distributes continuously and has strong internal bonding force with matrix.

Analysis of ZDDP Films on Sticking Defects by FEM during Hot Rolling of Ferritic Stainless Steel Strips

2016 ◽  
Vol 846 ◽  
pp. 96-101
Author(s):  
Liang Hao ◽  
Zheng Yi Jiang ◽  
Dian Yao Gong ◽  
Dong Bin Wei ◽  
Xia Wei Cheng ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Stainless Steel ◽  
Ferritic Stainless Steel ◽  
Hot Rolling ◽  
Steel Strip ◽  
Crack Size ◽  
Surface Characterisation ◽  
Fem Model ◽  
Steel Strips ◽  
Simulation Results

The aim of this study is to understand the effect of zinc dialkyl dithio phosphate (ZDDP) films on sticking defects during the hot rolling of ferritic stainless steel strips. The surface characterisation and crack propagation are very important for the sticking defects of ferritic stainless steel strip. A finite element method (FEM) model is constructed with different crack size ratios, in which the profile of the strip roughness and ZDDP films are taken into consideration. Simulation results show that the widths of cracks tend to be reduced with the introduction of ZDDP films, improving the sticking defects, which is confirmed by the hot rolling trials.

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