On July 3, 2026, the Institute of Applied Physics and Materials Engineering, University of Macau marked a significant academic milestone as two members of Prof. Guoxing Sun’s research group—Dr. Tingyun ZHENG, Dr. Yasen LI and Dr. Qinglu YU—successfully completed their PhD Student Thesis Oral Defenses and were officially awarded their doctoral degrees.

During their oral defenses, both candidates delivered compelling presentations on their respective research projects.

Dr. Tingyun ZHENG presented her thesis titled “Mechanism and Functional Enhancement On Foam-Based Building Materials” 

(Dr. Tingyun ZHENG with the Thesis Examination Committee after her successful defense)

Dr. Yasen LI defended his thesis entitled “Design, Mechanism, and Performance Regulation of Internal Curing Systems for Low Water-to-binder Ratio Cementitious Materials” 

(Dr. Yasen LI with the Thesis Examination Committee after his successful defense)

Dr. Qinglu YU defended his thesis entitled “Investigations on Chloride Binding of Layered Double Hydroxides Incorporated in Cementitious Materials” 

(Dr. Qinglu YU with the Thesis Examination Committee after his successful defense)

The examination committees, composed of distinguished scholars from the University of Macau and external institutions, praised both dissertations for their scientific rigor, originality, and technical excellence. The committees unanimously concluded that their work met the highest standards required for the conferral of the PhD degree.

Their achievements not only represents a major milestone in the research careers of Dr. Tingyun ZHENG, Dr. Yasen LI and Dr. Qinglu YU but also highlights the sustained innovation and strong commitment to graduate education within Prof. Sun’s research group.

The department extends its warmest congratulations to Dr. Tingyun ZHENG, Dr. Yasen LI and Dr. Qinglu YU and wishes them continued success as they pursue future endeavors in science and engineering.