supported by the National Natural Science Foundation of China(Grant No.50401033);the Liu Hui Applied Mathematics Center of Nankai University and Tianjin University(Grant No.T13).
The abnormal growth of Ag3Sn inter-metallic compounds in eutectic Sn-3.5% Ag solder was investigated through high-temperature aging treatment. Microstructural evolutions of this solder before and after the aging treat...
Project(50401033) supported by the National Natural Science Foundation of China; Project(200335) supported by the Foundation for the Author of National Excellent Doctoral Dissertation of China; Project(033608811) supported by the Natural Science Foundation of Tianjin City, China; Project supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
The microstructure and microhardness of Sn-3.5%Ag solders were explored in the cooling rate ranging from 0.08 to 104 K/s. Under rapid cooling condition, the strong kinetic undercooling effect leads to the actual solid...
The authors are grateful to the National Natural Science Foundation of China (No. 50401033);FANEDD of China (No. 200335);the Natural Science Foundation of Tianjin City (No. 033608811) ; Fok Ying Tong Education Foundation (No. 104015) for grant and financial support.
A lead-free solder composite was prepared by adding ZrO2 nanopowders in eutectic Sn-Ag alloy. Microstrucrural features and microhardness properties of those solders with different ZrO2 nanopowder fraction were examine...
the National Natural Science Foundation of China(No.50401033);the Foundation for the Author of National Excellent Doctoral Dissertation of China(No.200335);the Natural Science Foundation of Tianjin City(No.033608811);Scientific Reseaxch Foundation for the Returned 0verseas Chinese Scholaxs,State Education Ministry,for grant and financial support.
Sn-Ag alloy system has been regarded as one of the most promising lead-free solder to substitute conventional Sn- Pb eutectic solder. But the formation of bulk Ag3Sn intermetallic compounds (IMCs) during reflow and ...