2. Invention patent: a manufacturing method of large steel ingot with low segregation, inventor: Kang; Chen; Xia Lijun; Li Dianzhong; Fu Paixian; Li Yiyi
3. Invention patent: a research method for segregation of large steel ingot, inventor: Chen; Kang; Xia Lijun; Li Dianzhong; Fu Paixian; Li Yiyi
4. Invention patent: a simulation method of solid phase motion in steel ingot, inventor: Liu Dongrong; Sang baoguang; Kang; Li dianzhong
5. Invention patent: A method for refining 10-30 ton bottom leakage ladle outside the furnace. Inventor: Fu Paixian; Liu Hongwei; Kang; Xia Lijun; Li Dianzhong; Li Yiyi
6. Invention patent: A manufacturing method for obtaining a large steel ingot with low segregation by accelerating the cooling of the bottom and side walls. Inventor: Sang Baoguang; Li Dianzhong; Xia Lijun; Kang; Chen; Fu Paixian; Li Yiyi
7. Invention patent: A method for restraining macro segregation of large steel ingots by mechanical stirring. Inventor: Kang; Sang baoguang; Xia Lijun; Li Dianzhong; Liu Hongwei; Liu Dongrong; Li Yiyi
8. Invention patent: A method for eliminating δ ferrite in high strength and toughness martensitic stainless steel. Inventor: Wang Pei; Kang; Li Dianzhong; Xia Lijun; Lu Shanping; Li Yiyi
9. Invention patent: grain refinement method of ultra-supercritical steel, inventor: Hu Xiaoqiang; Luo; Kang; Xia Lijun; Li dianzhong
10. Invention patent: normalizing heat treatment process for ultra-supercritical steel, inventor: Hu Xiaoqiang; Luo; Xiao namin; Li Dianzhong; Li Yiyi
1 1. Invention patent: a casting model design method based on quantitative setting of anti-deformation. Inventor: Wang Pei; Xiao namin; Li Dianzhong; Li Yiyi; Fan Peng; Zhang Liwen; Zhang Ruixue; Ma Jin; Liu Heng
12. Invention patent: preparation process of large cast steel backup roll, inventor: Li Dianzhong; Kang; Xia Lijun; Ke Wei; Li Yiyi
13. Invention patent: integral casting method of cast steel backup roll, inventor: Li Dianzhong; Kang; Xia Lijun; Ke Wei; Li Yiyi
14. invention patent: design method of bending forging die and preformed blank for large marine crankshaft, inventor: sun; Lu Shanping; Li Dianzhong; Li Yiyi
15. invention patent: universal bending forging lower die for crankshaft and crank combination of large ships and its design method. Inventor: Sun; Lu Shanping; Li Dianzhong; Li Yiyi
16. Invention patent: a design method for interference of red sleeve of marine crankshaft. Inventor: Sun; Lu Shanping; Li Dianzhong; Li Yiyi; Yu; Wang Shuqiang; Shao Longcheng
17. Invention patent: large-scale marine crankshaft bending and forging finishing device and its use method, inventor: Sun; Lu Shanping; Li Dianzhong; Li Yiyi
18. Invention patent: large steel ingot drawing process by FM method, inventor: Li; Yueming Sun; Li dianzhong
19. Invention patent: a visual casting method, inventor: Li Dianzhong; Kang; Xia Lijun; Li Yiyi
20. Invention patent: Design method of intermediate blank and preform in the forming process of conical cylinder forgings, inventor: Sun; Li; Lu Shanping; Li Dianzhong; Li Yiyi; Sun Wei; Sun Haiyan; Cheng rectification; Liu Zhiying; Luke liu