China Vitae

Biography

Cao Qigong, male, Han nationality is a native of Sishui, Indonesia, although his family is native to Quanzhou, Fujian Province. He graduated from Harbin Industrial University in 1956.

Cai Qigong is an expert on metal physics and fracture mechanics and has been engaged in the research on the relation between metal structures and mechanical properties. He took the lead in introducing linear elastic fracture mechanics at the end of the 1960s and contributed to the successful trial production of merging steel of excessively high strength used for shells. Cai is also the author of the thesis "Analysis of Crack Stretch Displacement in High Strain Area" which was announced at the International Jointing Annual Conference in 1978, which clarified the confusion on the wide board break experiment and tolerance analysis of cracks in high strain areas.