Thread View: sci.materials
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Started by CHANDRAN BIJU I
Wed, 18 Nov 1992 16:12
common solder materials
Author: CHANDRAN BIJU I
Date: Wed, 18 Nov 1992 16:12
Date: Wed, 18 Nov 1992 16:12
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Is anyone out there familiar with a book or an article listing the mechanical properties (Youngs modulus, etc.) of common solder materials.
Re: common solder materials
Author: Pardeep K. Bhatti
Date: Wed, 18 Nov 1992 20:23
Date: Wed, 18 Nov 1992 20:23
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In article <1992Nov18.161229.11293@engr.uark.edu> bic@engr.uark.edu (CHANDRAN BIJU I) writes: >Is anyone out there familiar with a book or an article listing the mechanical >properties (Youngs modulus, etc.) of common solder materials. > Welcome to the exotic world of solder materials!!! It is very difficult to get good, reliable data on mechanical properties of solder materials. Most common solder materials have highly nonlinear constitutive stress-strain relationships, which are also very temperature dependent. Furthermore, they exhibit creep and plasticity phenomena which dominate their mechanical behavior in their normal operating temperature range. There is very limited solder property data in books, but there are a good number of technical papers on this subject. A good starting point will be the ASME Journal of Electronic Packaging and IEEE Transactions on Components, Hybrids, and Manufacturing Technology (CHMT). Also check proceedings from ASME WAM conferences from recent years. However, there is a wide variation in the published solder property data in the literature. For example, there is a 5 to 1 variation in the reported Young's modulus figures for the most common solder (63/37 Sn-Pb). Good luck with your search... -- Pardeep K. Bhatti pkbhatti@kopth004.delcoelect.com Delco Electronics Corporation GM Hughes Electronics *** The opinions expressed are mine, not necessarily of my employer. ***
Re: common solder materials
Author: GSD Advanced Packing/Processes
Date: Thu, 19 Nov 1992 18:30
Date: Thu, 19 Nov 1992 18:30
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pkbhatti@kopth004.delcoelect.com (Pardeep K. Bhatti) writes: >In article <1992Nov18.161229.11293@engr.uark.edu> bic@engr.uark.edu (CHANDRAN BIJU I) writes: >>Is anyone out there familiar with a book or an article listing the mechanical >>properties (Youngs modulus, etc.) of common solder materials. >> > >Welcome to the exotic world of solder materials!!! > >There is very limited solder property data in books, but there are a good >number of technical papers on this subject. A good starting point will be >the ASME Journal of Electronic Packaging and IEEE Transactions on Components, >Hybrids, and Manufacturing Technology (CHMT). Also check proceedings from >ASME WAM conferences from recent years. However, there is a wide variation >in the published solder property data in the literature. For example, there >is a 5 to 1 variation in the reported Young's modulus figures for the most >common solder (63/37 Sn-Pb). >Pardeep K. Bhatti pkbhatti@kopth004.delcoelect.com You might also consider "Solders and Soldering",by Howard Manko for sketchy properties. The International Tin Research Institute (ITRI, Uxbridge England) has a nice compilation of tin based solder properties which they will send you if you ask nicely. There's also the monograph "Solder Mechanics: A State of the Art Assessment", edited by D. Frear, W.B. Jones and K.R.Kinsman which may include useful information on solder properties and more importatntly, how to interpret published properties, i.e., what behavior to expect at what templerature and stress state conditions. Steve Axdal Computing Devices International app@shamash.cdc.com
Re: common solder materials
Author: medlin douglas l
Date: Sat, 21 Nov 1992 20:52
Date: Sat, 21 Nov 1992 20:52
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Try "printed Circuit Handbook" ed. C.L. Coombs (Mcgraw Hill,1988) chapter 24, "Solder Materials and Processes"
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