Supported by National Key Research and Development Project(Grant No.2018YFC1902400);Natural Science Foundation of Shanghai(Grant No.20ZR1415300).
At present,there are many studies on the residual stress field and plastic strain field introduced by surface strengthening,which can well hinder the initiation of early fatigue cracks and delay the propagation of fat...
Supported by National Natural Science Foundation of China(Grant No.51175035);PhD Program Foundation of Ministry of Education of China(Grant No.20100006110024);Beijing Higher Education Young Elite Teacher Project of China(Grant No.YETP0367)
The inlet film thickness directly affects film and stress distribution of rolling interfaces. Unsteady factors, such as unsteady back tension, may disturb the inlet film thickness. However, the current models of unste...
supported by National Natural Science Foundation of China (Grant No. 50875231);Hebei Provincial Major Natural Science Foundation of China (Grant No. E2006001038)
The shape and thickness qualities of strip are influenced by the vibration of rolling mill. At present, the researches on the vibration of rolling mill are mainly the vertical vibration and torsional vibration of sing...
Selected from Proceedings of the 7th International Conference on Frontiers of Design and Manufacturing(ICFDM'2006);This project is supported by National Natural Science foundation of China(No.5030515);National Science Fund for Distinguished Young Scholars of China(No.59825117).
During plastic process, the material flow is strongly influenced by the contact area between deformed workpiece and die. In rolling process, difference of roll diameter makes the contact area between roll and deformed...
This project is supported by Provincial Natural Science Foundation of Hebei, China(No.503293).
A method for the calculation of the sensitivity factors of the rollingprocess has been obtained by differentiating the roll force model based on support vector machine.It can eliminate the algebraic loop of the analyt...