Seminar on What we learn from composites structure for large civil aircraft design – A strength study of FRP composites under compressive load

20 Nov 2023 10.30 AM - 11.30 AM MAE Meeting Room C (N3.2-02-61) Current Students, Public

Professor Niu Kangmin

Distinguished Chair Professor

University of Science and Technology Beijing (USTB)

This seminar will be chaired by Prof Li Hua.

Seminar Abstract
The successful development of all composite structure based aircrafts, such as well-known Boeing's 787 and Airbus's A350 aircrafts, represents a revolutionary breakthrough in composite material technology. However, it is well recognized that the compressive strength of advanced resin-based composites is much lower than the tensile strength. The higher the fiber strength property, the greater the gap. The low compressive strength of high-performance fiber-reinforced polymer (FRP) composites has been an issue in the companying composites industry for decades.

K. Niu and R. Talreja proposed a resin controlled yield criterion for the compressive failure of unidirectional fiber composites, which turned out to be in a very simple expression as the rule of mixtures for axial compression. The rule of mixtures is presented in this seminar for compressive failure of fiber-based composites.

Speaker’s Biography​

Professor NIU Kangmin obtained his Ph.D. in aerospace engineering at Georgia Tech, USA. Currently he is a Distinguished Chair Professor (at national level) at University of Science and Technology Beijing (USTB), in charge of Composite Structure Engineering Center. 

Before that, Dr. Niu was a Fellow Engineer in Siemens with main responsibilities in modeling and lifing technology of composites supporting Gas Turbine projects. He also worked as a Sr. Structural Scientist in The Boeing Company. As a structure focal of Airplane Level Models, he oversaw and guided composite and metal structure design and analysis of 777X and 787 aircrafts.

Dr. Niu started his aerospace engineering career in 1984 after getting his M. Eng. in Materials of Science at the Institute of Aeronautical Materials, Beijing (BIAM). His technical fields are mechanical behavior of materials and structural modeling.

Categories