The influence of addition of nanosized molybdenum and nickel particles on creep behavior of Sn–Ag lead free solder alloy

► Sn–3.5Ag (SA) alloy & SA with nano sized Mo and Ni at three different wt.% was investigated. ► Creep behaviour was investigated using a constant load method in nanoindenter. ► Modified Garofalo’s equation demonstrated an excellent fit to indentation creep data. ► Steady state creep rate decrea...

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Bibliographic Details
Published in:Journal of alloys and compounds 2012-11, Vol.542, p.136-141
Main Authors: Niranjani, V.L., Chandra Rao, B.S.S., Sarkar, Rajdeep, Kamat, S.V.
Format: Article
Language:English
Subjects:
Alloying additive
Condensed matter: structure, mechanical and thermal properties
Creep
Creep (materials)
Cross-disciplinary physics: materials science
rheology
Deformation, plasticity, and creep
Exact sciences and technology
Lead-free solder
Materials science
Mathematical analysis
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Modified Garofalo’s creep model
Nanocomposites
Nanoindentation
Nanomaterials
Nanostructure
Nickel
Physics
Solders
Tin base alloys
Treatment of materials and its effects on microstructure and properties
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Summary:► Sn–3.5Ag (SA) alloy & SA with nano sized Mo and Ni at three different wt.% was investigated. ► Creep behaviour was investigated using a constant load method in nanoindenter. ► Modified Garofalo’s equation demonstrated an excellent fit to indentation creep data. ► Steady state creep rate decreased with increasing addition of Mo and Ni to base alloy. ► Primary creep stage displacement and time decreased with increasing Mo and Ni wt.%. The effect of addition of nano-sized Ni and Mo particles on creep behavior of Sn–3.5Ag lead free solder alloy was investigated using a constant load method in a nanoindenter. Modified Garofalo’s equation was found to show an excellent fit to indentation creep data. It was observed that the steady state creep rate as well as primary creep stage displacement and primary creep stage time decreased with increasing addition of Mo and Ni to the base alloy.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2012.07.044