1. Department of Mechanical Engineering, Shahid Rajaee Teacher Training University, Tehran 1678815811, Iran 2. Department of Materials Engineering, Shahid Rajaee Teacher Training University, Tehran 1678815811, Iran
Improvement of Grain Size and Dome Height of Microalloyed Steels Using Taguchi Method Based on Grey Relational Grade in Controlled Rolling
1. Department of Mechanical Engineering, Shahid Rajaee Teacher Training University, Tehran 1678815811, Iran 2. Department of Materials Engineering, Shahid Rajaee Teacher Training University, Tehran 1678815811, Iran
ժҪ An efficient approach was introduced for improving the condition of major controlled rolling process parameters of roughing, finishing and coiling temperatures and optimizing these parameters to obtain minimum grain size and maximum dome height simultaneously. Taguchi method combined with grey relational analysis was applied to achieve optimum grain size and dome height during controlled rolling process. For this purpose, four levels for the above temperatures were chosen and sixteen experiments were conducted based on orthogonal array of Taguchi method. Based on Taguchi approach, signal-to-noise (S/N) ratios were calculated and used in order to obtain the optimum levels for every input parameter. Analysis of variance revealed that finishing and coiling temperatures have the maximum effect on the grain size and dome height of microalloyed steels. The confirmation tests with the optimal levels of parameters indicated that the grain size and dome height of controlled rolled microalloyed steels can be improved effectively through this approach.
Abstract��An efficient approach was introduced for improving the condition of major controlled rolling process parameters of roughing, finishing and coiling temperatures and optimizing these parameters to obtain minimum grain size and maximum dome height simultaneously. Taguchi method combined with grey relational analysis was applied to achieve optimum grain size and dome height during controlled rolling process. For this purpose, four levels for the above temperatures were chosen and sixteen experiments were conducted based on orthogonal array of Taguchi method. Based on Taguchi approach, signal-to-noise (S/N) ratios were calculated and used in order to obtain the optimum levels for every input parameter. Analysis of variance revealed that finishing and coiling temperatures have the maximum effect on the grain size and dome height of microalloyed steels. The confirmation tests with the optimal levels of parameters indicated that the grain size and dome height of controlled rolled microalloyed steels can be improved effectively through this approach.
Mohsen Ayaz,Daavood Mirahmadi Khaki,Nasrollah Bani Mostafa Arab. Improvement of Grain Size and Dome Height of Microalloyed Steels Using Taguchi Method Based on Grey Relational Grade in Controlled Rolling[J]. �й������ڿ���, 2013, 20(12): 115-123.
Mohsen Ayaz,Daavood Mirahmadi Khaki,Nasrollah Bani Mostafa Arab. Improvement of Grain Size and Dome Height of Microalloyed Steels Using Taguchi Method Based on Grey Relational Grade in Controlled Rolling. Chinese Journal of Iron and Steel, 2013, 20(12): 115-123.
2013, Vol. 20 
