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solder alloys

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Published: 01 April 2004
Fig. 1.14 Spread characteristics of binary solder alloys on an “ideal” substrate as a function of excess temperature above the melting point. The substrate is a flat, microscope slide, sputter metallized with 0.1 μm (4 μin.) of chromium overlaid with 0.1 μm (4 μin.) of gold. Spread ratio More
Image
Published: 01 August 2005
Fig. 1.4 Principal solder alloy families and their melting ranges More
Image
Published: 01 April 2004
Fig. 1.3 Principal solder alloy families and their melting ranges More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440049
EISBN: 978-1-62708-352-2
... Abstract This chapter presents an overview and survey of solder alloy systems. Extensive reference is made to phase diagrams and their interpretation. The chapter describes the effect of metallic impurities on different solders. The chapter concludes with a review of the key characteristics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290165
EISBN: 978-1-62708-306-5
..., advantages, and disadvantages of brazing and soldering. The first part focuses on the fundamentals of the brazing process and provides information on filler metals and specific brazing methods. The soldering portion of the chapters provides information on solder alloys used, selection criteria for base metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170528
EISBN: 978-1-62708-297-6
... and the amounts and combinations in which they are found. lead alloys tin alloys tin-based bearing alloys tin-lead solders Composition Introduction and Overview Lead and tin are low melting point metals that are often alloyed together. For example, solders in the tin-lead system are the most...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t6244000x
EISBN: 978-1-62708-352-2
... be construed as a manufactured solder alloy has been found in King Tutankhamun's tomb (1350 B.C .), although there is some debate among scholars about the deliberateness of the metallurgy of this joint. Solders comprising alloys of lead and tin were almost certainly used during the Iron Age [ Tylecote...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440189
EISBN: 978-1-62708-352-2
... of Soldering and Brazing went to press. Even the “hot topic” of the 1990s—lead-free solders—is based on alloys that were known and largely characterized previously. Soldering is a relatively mature technology, so that while there has been progress and many undoubted improvements made in recent years...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... range of adhesively bonded joints is usually limited, as is their compatibility with solvents. Joints usually possess poor electrical and thermal conductivity, although by loading the organic adhesive with metal particles moderate conductance can be achieved that approaches that of some solder alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.9781627083522
EISBN: 978-1-62708-352-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
... by zinc-base solders when these need to be used without an appropriate fluxing agent. Foils and other preforms of these alloys tend to produce poor wetting and spreading over the joint surfaces. However, by making small additions of elements that lower the surface tension of the molten filler...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730149
EISBN: 978-1-62708-283-9
... of similar composition. Copper that is mixed with other metals, perhaps by having been tinned or soldered, or alloys to which lead has been added for machinability, can be used in alloys—such as bronze—that contain these metals. At present, approximately 70% of the zinc produced originates from mined...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440103
EISBN: 978-1-62708-352-2
... reduce the oxides of less refractory metals, it will remove this surface film, enabling wetting to proceed in a conventional manner through alloying. Reactive solders are described in Chapter 4, section 4.1.2.2 . Active brazes, which are much more common, are discussed separately in the planned...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230189
EISBN: 978-1-62708-351-5
... carat gold solders. brazing carat filler metals gold alloys gold jewelry gold solders silver jewelry silverware BRAZES FOR JEWELRY, silverware, and objets d’art merit separate consideration from industrial brazing alloys because, in addition to providing joints that are mechanically...
Image
Published: 01 April 2004
alloy melted in nitrogen-3% hydrogen. (c) Same alloy melted in nitrogen-40% hydrogen. (d) Ag-96.5Sn solder melted in nitrogen. (e) Same alloy melted in nitrogen-3% hydrogen. (f) Same alloy melted in nitrogen-40% hydrogen. (g) Au-20Sn solder melted in nitrogen. (h) Same alloy melted in nitrogen-3 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440245
EISBN: 978-1-62708-352-2
... . The Handbook of Machine Soldering: SMT and TH , John Wiley & Sons Alloy Constitution Alloy Constitution • John V.B. , 1974 . Understanding Phase Diagrams , Macmillan 10.1007/978-1-349-01947-2 • Prince A. , 1966 . Alloy Phase Equilibria , Elsevier 10.1063/1.3047876...
Image
Published: 01 April 2004
to be “cleaner” with a brighter metallic luster. The holes in the substrates are of identical size and spacing and act as scale markers. The solder disks measured 6 mm (0.24 in.) diameter by 25 μm (1 mil) thick and were only superficially cleaned before use. (g) Au-20Sn solder melted in nitrogen. (h) Same alloy More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... precious metals that, in addition to being measures of wealth, have important industrial applications. Finally, the fusible alloys are a group of over 100 alloys that have melting points lower than that of lead-tin eutectic solder. 32.1 Zirconium Zirconium is a reactive metal similar to titanium...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... treatment can be justified on metallurgical grounds. These two classes of filler cannot simply be demarcated by the 450 °C (840 °F) temperature boundary as is habitually done. This distinction has a historical origin: the earliest brazes were based on alloys of copper, while solders were based on alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5