Results 11 to 20 of about 398,038 (255)

Analysis of surface mount technology solder joints [PDF]

open access: yes, 1996
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The factors determining the quality of surface mount technology (SMT) solder joints are numerous, and complex.
Hui, Ip Kee
core   +7 more sources

Study of gold-based alloy phase diagrams [PDF]

open access: yes, 1990
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The partial constitutions of the Au-Ge-X and Au-Pb-X ternary alloys have been investigated, where X is a metallic element, selected from the sub-groups ...
Butt, M Taqi Zahid
core   +7 more sources

Thermal fatigue life of ball grid array (BGA) solder joints made from different alloy compositions [PDF]

open access: yes, 2021
As temperature cycling drives fatigue failure of solder joints in electronic modules, characterisation of the thermal fatigue response of different solder alloy formulations in BGA solder joints functioning in mission-critical systems has become crucial.
MALLIK, SABUJ   +6 more
core   +1 more source

Latent heat induced deformation of PCB substrate: Measurement and simulation

open access: yesCase Studies in Thermal Engineering, 2022
The work evaluates the impact of latent heat (LH) absorbed or released by a solder alloy during melting or solidification, respectively, on changes of dimensions of materials surrounding of the solder alloy.
Denis Froš   +3 more
doaj   +1 more source

Effect of Different Ga Contents on the Acid and Alkaline Resistance of New SnInAg Lead-Free Solder Alloy [PDF]

open access: yesCailiao Baohu
In order to improve the corrosion resistance of Sn-11In-1.5Ag lead-free solder alloy solder, the corrosion behavior of Sn-11In-1.5Ag-xGa(x=0, 0.1, 0.3, 0.5, 0.7, mass fraction, %) solder alloy in a corrosive environment was studied by weight loss method ...
REN Pengkai, XU Dongxia, CAO Fulei, CHU Yadong, ZHANG Hongxia
doaj   +1 more source

Reliability Examinations of SAC Lead Free Solder Material [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
In this paper the effect of soldering technique and thermal shock test were investigated on SAC 305 solder joints, produced by two different solder method.
D. Koncz-Horváth   +3 more
doaj   +1 more source

Impact of Cu Content on Corrosion Property of Zn20Sn Lead- free Solder

open access: yesChemical Engineering Transactions, 2017
By alloying principle, different contents of Cu were added in the matrix Zn20Sn filler metals to form a new type of alloy, the effects of Cu contents on the Zn20Sn solder alloy corrosion resistance were studied.
Qiumin Wang, Hongxia Mou
doaj   +1 more source

Viscoplastic behavior of diamond die attach subjected to high temperature conditions [PDF]

open access: yes, 2012
In power electronic applications, diamond based semi-conductors appears to be a new way to widely increase the capabilities of power electronic converters. The main prospective expected is an increasing in system integration and power capabilities.
Msolli, Sabeur   +9 more
core   +1 more source

Microstructure and morphology of the soldering interface of Sn–2.0Ag–1.5Zn low Ag content lead-free solder ball and different substrates

open access: yesHeliyon, 2023
Eutectic Sn–Ag–Cu lead-free solder has limited applications due to cost and reliability issues. Sn–Ag–Zn solder has the advantages of low melting point, good mechanical properties and reliable welding interface. However, the research system of low silver
Jin Xiao   +4 more
doaj   +1 more source

Effect of Cr on microstructure and properties of brazed diamond with Ni-based boron free solder

open access: yesJin'gangshi yu moliao moju gongcheng, 2022
In view of the problem that B element is easy to cause more hard and brittle phases in brazed diamond joints, a new type of Ni–Cr–Si–Cu–Sn boron free active solder was prepared, and the effects of Cr element on the microstructure of solder and the ...
Pengbo WANG   +7 more
doaj   +3 more sources

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