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Academic literature on the topic 'Alliages plomb-argent'
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Journal articles on the topic "Alliages plomb-argent"
HILALI, E., L. BOUIRDEN, and J. HILGER. "Mecanismes de durcissement structural des alliages plomb-cadmium (etain, argent) pour grilles de batterie I- alliages plomb-cadmium." Annales de Chimie Science des Mat�riaux 24, no. 2 (February 1999): 135–43. http://dx.doi.org/10.1016/s0151-9107(99)80058-0.
Full textHILALI, E., and L. BOUIRDEN. "M�canismes de durcissement structural des alliages plombcadmium (�tain, argent) pour grilles de batterie III ? alliages plomb-cadmium-argent." Annales de Chimie Science des Mat�riaux 25, no. 2 (February 2000): 91–100. http://dx.doi.org/10.1016/s0151-9107(00)88717-6.
Full textHILALI, E., L. BOUIRDEN, and J. HILLGER. "M�canismes de durcissement structural des alliages plomb-cadmium (�tain, argent) pour grilles de batterie II ? alliages plomb-cadmium-�tain." Annales de Chimie Science des Mat�riaux 25, no. 1 (2000): 1–9. http://dx.doi.org/10.1016/s0151-9107(00)88621-3.
Full textDissertations / Theses on the topic "Alliages plomb-argent"
Bouirden, Lahcen. "Transformations continues et discontinues dans les alliages de plomb microalliés au calcium et au calcium étain pour batteries d'accumulateurs : influence de la vitesse de refroidissement : rôle des impuretés argent, aluminium et bismuth." Nancy 1, 1990. http://www.theses.fr/1990NAN10205.
Full textZhang, Wei. "Performance of lead anodes used for zinc electrowinning and their effects on energy consumption and cathode impurities." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27021/27021.pdf.
Full textCanaud, Pauline. "Le frittage des poudres submicroniques du composé Ag3Sn, une alternative au brasage par fusion : synthèse de la phase en milieu polyol et premiers essais." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLV033.
Full textThe study of this memoir concerns the development of an alternative lead-free alloy for power electronics, which will be used for solders. Nowadays, current solders are composed of alloys containing lead, and aren't resistant at high work temperature. These systems will be phased out, because they no longer comply with the European RoHS Directive and public health standards due to the toxicity of lead (carcinogenic, mutagenic, accumulation in the environment, etc.). This work was carried out with the Ag-Sn alloy, and the main objective was to develop the elaboration of the Ag3Sn compound, due to its high thermal resistance (high melting point of 480°C). Its best performance is an advantage for solders located in difficult work environments such as aeronautics or automobile. First part of this thesis describes the synthesis of Ag3Sn compound with the polyol process, a soft-chemistry routine. It is different from the conventional techniques, like the metallurgical way. Polyol synthesis was realized by following several steps. A method of successive approaches wasdetermine optimum synthesis parameters. Two specific protocols stand out, and they allow the development of high-temperature resistant phases. The first one allows the elaboration of an Ag3Sn pure phase, an the second one allows the development of two compounds of solid solutions. The compounds were characterized by XRD, FEG-SEM, TEM and thermogravimetric analysis. The second part of this work is the consolidation of the Ag3Sn compound with a special sintering technique : the die-bonding, in order to realize the connexion between the electronic chip and the copper substrate coated silver. A first step of depositing powder on the substrate was necessary before carrying out the implementation. It was carried out with various techniques : spin-coating orthe serigraphy deposition. Then, sintering parameters were refined according to the deposition techniques. Finally, shear tests were performed on different samples
Le, Henaff François. "Contribution à l'étude, la mise en oeuvre et à l'évaluation d'une solution de report de puce de puissance par procédé de frittage de pâte d'argent à haute pression et basse température." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0098/document.
Full textThis work is part of the research for lead-free die-attach solutions for power modules to offer a solution to the European directive RoHS, which banishes lead in electrical and electronic equipments. The intrinsic silver properties and the previous work published helped us choose silver sintering as the die-attach technology to be tested and evaluated in our work. After a state of the art on power module structure, on different die-attach technologies and on power module reliability, various works have been carried out in collaboration with the FIDEA and ASPEEC projects. Through experimental tests and finite element modeling analysis (FEM), die-attach processes have been defined, thermal and mechanical characterizations and reliability assessment of silver sintered power modules have been done. Finally, a silver sintered rectifier bridge double side assembly with higher thermomechanical properties than a lead-solder die-attach assembly was developed as final prototype