financial support from the National Natural Science Foundation of China(Nos.52275385,U2167216);Sichuan Province Science and Technology Support Program,China(No.2022YFG0086).
To improve the wettability of hypereutectic Al−60Si alloy and enhance the mechanical properties of the joints,Al−60Si alloy was joined by ultrasonic soldering with Sn-9Zn solder,and a sound joint with in-situ Si parti...
funded by the National Natural Science Foundation of China(Grant No.51875269);Postgraduate Research&Practice Innovation Program of Jiangsu Province(Grant No.SJCX23_2178).
The electromigration reliability on Sn–10Bi solder joints is investigated and the performance is tried to be improved with trace Zn addition in solder by depressing the growth of interfacial intermetallic compounds(I...
financially supported by the Key Research and Development Projects in Henan Province,China(231111231500).
The drive toward miniaturization,functionalization,and environmental conservation in electronic devices has increased the demand for low-temperature solder in 3D packaging processes.The influence of Sb incorporation o...
supported by the Yunnan Fundamental Research Projects(No.202301BC070001-001)funded by the Yunnan Provincial Department of Science and Technology;the Yunnan Provincial Science and Technology Plan Project(No.202005AF150045);the Jiangsu Province Industry-University-Research Cooperation Project(No.BY2022832)funded by the Jiangsu Provincial Department of Science and Technology;the National Natural Science Foundation of China(No.52275339).
Different amounts of Fe(0.005,0.01,0.03,0.05,and 0.07 wt%)were added to SAC305 to study the shear behavior damage of Fe-doped SAC solder joints under thermal loading(170℃,holding time of 0,250,500,and 750 h).The resu...
supported by the Innovation Team Cultivation Project of Yunnan Province(No.202005AE160016);Key Research&Development Program of Yunnan Province(No.202103AA080017);Yunnan Ten Thousand Talents Plan Young&Elite Talents Project(No.YNWR-QNBJ-2018-044).
The void defect in intermetallic compounds(IMCs)layer at the joints caused by inhomogeneous atomic diffusion is one of the most important factors limiting the further development of Sn-based solders.In this work,the t...
support received from Yunnan Fundamental Research Projects(Grant No.202101BC070001-007);the Jiangsu Province Industry-University-Research Cooperation Project(No.BY2022832);the National Natural Science Foundation of China(No.52275339).
The effects of Mn addition(0.005,0.01,0.03,0.05,and 0.07 wt.%)on microstructure,shear mechanical behavior,and interfacial thermal stabilities of SAC305 joints were investigated under isothermal aging temperatures of 1...
the National Natural Science Foundation of China(No.52171045).
Active soldering of 5A06 Al alloy was performed at 300 ℃ by using Sn-1Ti and Sn-1Ti-0.3Ga active solders, respectively. Theeffects of soldering time on the microstructure and mechanical properties of the joints were ...
This work was sponsored by the National Key Research and Development Program of China(No.2018YFB0704400);Key Program of Science and Technology of Yunnan Province(No.202002AB080001-2);Key Research Project of Zhejiang Laboratory(No.2021PE0AC02);Shanghai Pujiang Program(Grant No.20PJ1403700);Guangzhou Municipal Science and Technology Project(No.2023A03J0003).We would like to acknowledge the support from Yunnan Tin Group(Holding)Co.Ltd,China.We also acknowledge the support from the Shanghai Engineering Research Center for Integrated Circuits and Advanced Display Materials.
The attainment of both high strength and high ductility is always the goal for structure materials,because the two properties generally are mutually competing,called strength-ductility trade-off.Nowadays,the data-driv...
financial support from CAS Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences。
The evolution of morphology, composition, thickness and corrosion resistance of the oxide film on pure Sn solder substrate submitted to high-temperature aging in 150 °C dry atmosphere was investigated. The results in...