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Investigations on Microstructure and Mechanical Properties of the Cu/Pb-free Solder Joint Interfaces [electronic resource] / by Qingke Zhang.

By: Zhang, Qingke [author.].
Contributor(s): SpringerLink (Online service).
Material type: materialTypeLabelBookSeries: Springer Theses, Recognizing Outstanding Ph.D. Research: Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2016Description: XV, 143 p. 115 illus., 81 illus. in color. online resource.Content type: text Media type: computer Carrier type: online resourceISBN: 9783662488232.Subject(s): Engineering | Structural mechanics | Materials science | Materials -- Surfaces | Thin films | Engineering | Structural Mechanics | Surfaces and Interfaces, Thin Films | Classical Mechanics | Characterization and Evaluation of MaterialsAdditional physical formats: Printed edition:: No titleDDC classification: 620.1 Online resources: Click here to access online
Contents:
Research Progress in Pb-free Soldering -- Fracture Behavior of IMCs at Cu/Pb-free Solder Interface -- Tensile-compress Fatigue Behavior of Solder Joints -- Shear Creep-fatigue Behavior of Cu/Pb-free Solder Joints -- Thermal Fatigue Behavior of Sn-Ag/Cu Solder Joints -- Conclusions.
In: Springer eBooksSummary: This thesis presents a series of mechanical test methods and comprehensively investigates the deformation and damage behavior of Cu/Pb-free solder joints under different loading conditions. The fracture behavior of Pb-free joint interfaces induced by stress, deformation of solder and substrate are shown, the shear fracture strength of the Cu6Sn5 IMC is measured experimentally for the first time, and the dynamic damage process and microstructure evolution behavior of Pb-free solder joints are revealed intuitively. The thesis puts forward the argument that the local cumulative damage is the major cause of failure in solder joints. The research results provide the experimental and theoretical basis for improving the reliability of solder joints.
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Research Progress in Pb-free Soldering -- Fracture Behavior of IMCs at Cu/Pb-free Solder Interface -- Tensile-compress Fatigue Behavior of Solder Joints -- Shear Creep-fatigue Behavior of Cu/Pb-free Solder Joints -- Thermal Fatigue Behavior of Sn-Ag/Cu Solder Joints -- Conclusions.

This thesis presents a series of mechanical test methods and comprehensively investigates the deformation and damage behavior of Cu/Pb-free solder joints under different loading conditions. The fracture behavior of Pb-free joint interfaces induced by stress, deformation of solder and substrate are shown, the shear fracture strength of the Cu6Sn5 IMC is measured experimentally for the first time, and the dynamic damage process and microstructure evolution behavior of Pb-free solder joints are revealed intuitively. The thesis puts forward the argument that the local cumulative damage is the major cause of failure in solder joints. The research results provide the experimental and theoretical basis for improving the reliability of solder joints.

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