Research Status of Evolution of Microstructure and Properties of Sn-Based Lead-Free Composite Solder Alloys

<div>The evolution of shear strength of different types solder joints with different aging time. (a) Graph of shear strength versus displacement and (b) graph of shear strength versus aging time [<a href="/journals/jnm/2020/8843166/#B111">111</a>].</div>

Journal of Nanomaterials

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Figure 32

Figure 32: Research Status of Evolution of Microstructure and Properties of Sn-Based Lead-Free Composite Solder Alloys 