Properties and Microstructures of Sn-Bi-X Lead-Free Solders

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Alloy</td><td class="align_center">Layer thickness/<i>µ</i>m</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Sn-58Bi</td><td class="align_center">2.34</td></tr><tr><td class="align_left">Sn-52Bi-1.8Sb</td><td class="align_center">2.43</td></tr><tr><td class="align_left">Sn-48Bi-1.4Sb</td><td class="align_center">2.43</td></tr><tr><td class="align_left">Sn-48Bi-1.8Sb</td><td class="align_center">2.51</td></tr><tr><td class="align_left">Sn-48Bi-2.0Sb</td><td class="align_center">2.76</td></tr><tr><td class="align_left">Sn-48Bi-2.4Sb</td><td class="align_center">2.85</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Total thickness of Sn-Bi-Sb/Cu reaction layers [<a href="/journals/amse/2016/9265195/#B32">32</a>].

Advances in Materials Science and Engineering

tab4

Table 4

Table 4: Properties and Microstructures of Sn-Bi-X Lead-Free Solders 