Zhi Hong Ni, Jie Huang, Dao Ping Yang, Jing Wang
Nursing students'experience of flipped classroom combined with problem-based learning in a paediatric nursing course: a qualitative study
BMC nursing
continuous improvement strength mediumthick plate materials hot straightening plates high temperatures increasingly influencing final defect characteristics products hightemperature hot straightening process temperature straightening speed plate significantly influence intrinsic material properties turn affect straightening characteristics plate however current material models used straightening process consider relationship temperature strain rate leads inaccurate characterization actual material structure additionally continuous reverse bending mechanics model straightening account impact different bending strain rates bending characteristics plate thickness direction study numerical calculation method employed investigate evolution process stress curvature rolltype hot straightening process mediumthick plates experimental data mathematical methods utilized develop viscous plastic material model accounted temperature strain rate furthermore crosssectional continuous reverse bending model established taking account temperature straightening speed enabling reasonable interpretation mechanical parameter behaviors mediumthick plates hightemperature straightening