supported by the National Natural Science Foundation of China(No.51775038).
Considering the dynamic variation of roll gap and the transverse distribution of dynamic rolling force along the work roll width direction, the movement and deformation of rolls system, influenced by the coupling of v...
supported by the National Natural Science Foundation of China(Grant No.51775038).
In the high-speed cold tandem rolling process of thin plate,chatter or slip instability gives rise to the deterioration of equipment and product quality.Macroscopic instability behavior is closely related to interfaci...
supportedby Regional Joint Development Fund (No.U20A20289);Project of Leading Local Science and Technology Development Fund (No.206Z1601G);Innovation ResearchGroupProjectof Hebei Province (No.E2021203011);Innovation Funding Project for Graduate Students in Hebei Province (No.CXZZBS2020054).
The vibration instability of the nonlinear dynamic system of the rolls considering the structural clearance was theoretically investigated,which is caused by the roll assembly accuracy deviation in the hot rolling pro...
supported by Natural Science Research Project of Anhui Province of China (KJ2016A091);Natural Science Foundation of Anhui Province (1708085ME116);Science and Technology Research Program of Anhui Province of China (1201a0201005)
Effects of micro-alloying elements and production process on microstructure, mechanical properties and precipitates of 600 MPa grade rebars were studied by using pilot test, metallographic observa- tion, tensile test,...
The yield is dependent upon many factors,such as cobbles,total scrap generation,crop loss and scale loss.It appears that the huge quantity of scale is mainly responsible for the yield loss.However,by the correlation s...
Sponsored by National Science and Technology Pillar Program during the Twelfth Five-year Plan Period of China(2012BAE03B01)
In order to improve the strength and toughness of 95CrMo steel and explore a short flow process, a direct rolling process was employed, and the effect of finishing rolling process on microstructure and mechanical prop...
Item Sponsored by Major State Basic Research Development Program of China(2011CB606304);High-tech Research and Development Program of China(2012AA03A505);National Natural Science Foundation of China(51301019,51471031)
Fe-6. 5 mass% Si alloy is an excellent soft magnetic material with good application prospects. After rolling,the structure of the sheet is likely to be heterogeneous along the normal direction. The microstructure and ...
Item Sponsored by National Natural Science Foundation of China(51274062)
Based on the rigid-plastic finite element method(FEM), the shear stress field of deformation region for high manganese austenite steel during hot asymmetrical rolling process was analyzed. The influences of rolling ...
On the basis of a 5 m plate mill, a 3D rigid-plastic finite element (FE) model was developed to investigate changes of plate plan view patterns during hot rolling process. By analyzing the simulation results of conv...
Sponsored by National Natural Science Foundation of China(51005197,51101136)
In order to reveal the mechanism and condition of void closure in large diameter steel rod during horizontal- vertical (H-V) groove rolling process, a three-dimensional thermomechanicaily coupled finite element mode...