This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Shanghai Jiao Tong University. Active years: 2022.
Company Filing History:
Years Active: 2022
Title: Qingdong Liu: Innovator in High-Strength Structural Steel
Introduction
Qingdong Liu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of materials science, particularly in the development of high-strength structural steel. His innovative work addresses critical challenges in low-temperature applications.
Latest Patents
Qingdong Liu holds a patent for "High-strength high-toughness low-temperature thick-plate structural steel and heat treatment method thereof." This invention relates to a specialized steel composition that includes components such as C: 0.03-0.08%, Cr: 0.8-1.9%, Mn: 0.01-1.0%, Ni: 3.5-7%, Mo: 0.2-0.5%, V: 0.15-0.2%, Nb: 0.01-0.05%, Cu: 1.2-3.8%, Al: 0-0.5%, P: <0.015%, S: <0.010%, and Fe with inevitable impurities as balance. This steel can be utilized at low temperatures ranging from -20 to -120°C and -196°C, maintaining high strength and certain toughness. It effectively resolves the limitations of existing high-strength quenched and tempered steel in polar resource and energy development.
Career Highlights
Qingdong Liu has worked with prestigious institutions, including Shanghai Jiao Tong University and Shanghai Esu Laser Technology Co., Ltd. His experience in these organizations has contributed to his expertise in material development and innovation.
Collaborations
Some of his notable coworkers include Wei Hou and Jianfeng Gu. Their collaborative efforts have further advanced the research and application of high-strength materials.
Conclusion
Qingdong Liu's contributions to the field of structural steel innovation highlight his role as a key inventor in addressing the challenges of low-temperature applications. His patented work continues to influence the industry and pave the way for future advancements.