Research Grants 17/12741-6 - Molhabilidade, Solidificação - BV FAPESP
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Application of experimental solidification techniques, characterization of microstructure and properties in the evaluation of eutectic and hypereutectic Al-base and Zn-base alloys

Abstract

This research project is based on the application of various solidification techniques so that a large spectrum of cooling conditions could be generated from a certain molten alloy. The main purpose is to produce and examine a variety of microstructures for each metallic alloy and to determine properties of interest following processing characteristics. Understanding the microstructure evolution in multicomponent alloys and the corresponding processing conditions is critical to developing a knowledgebase for their efficient and effective utilization in industrial applications. Most of the alloys of interest in the present research, such as hypereutectic Al-15Si-xMg alloys and ultrafine Al-22Cu-6Si and Al-26Cu-6Si eutectics, have aroused interest for engineering applications. Previous investigations denote that the addition of Mg can not only suppress the formation of primary Si but also improve the alloy wear resistance. The ultrafine eutectic can provide a remarkable combination of plasticity and strength, which depends on the generated microstructure. Optimization techniques through solidification can be applied in order to preprogram a certain manufacturing process so that both microstructures and properties could be managed. Another application referring to the present proposal is about brazing techniques of Al-11Si-X alloys and Zn-Al eutectics. Both alloys are typically employed as filler metals. The cooling conditions of the proposed alloys encompass relatively high cooling rates under transient regime. Certain applications may require high mechanical resistance while other conditions in service require enough wear resistance. Beyond complete characterization of the length-scale of the microstructures, morphologies and identification of intermetallic particles, wear, tensile and hardness tests will be carried out. Wetting angles will be determined in the case of the Zn-20Sn(-2Ag,-2Cu) and Zn-5%Al alloys in contact with metallic substrates. (AU)

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Scientific publications (33)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
KAKITANI, RAFAEL; PINTO DA SILVA, CASSIO AUGUSTO; SILVA, BISMARCK; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE EDUARDO. Local solidification thermal parameters affecting the eutectic extent in Sn-Cu and Sn-Bi solder alloys. SOLDERING & SURFACE MOUNT TECHNOLOGY, . (17/12741-6, 19/23673-7, 17/15158-0)
BISMARCK LUIZ SILVA; JOSÉ EDUARDO SPINELLI. Correlations of microstructure and mechanical properties of the ternary Sn-9wt%Zn-2wt%Cu solder alloy. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 21, n. 2, . (15/11863-5, 17/12741-6, 16/18186-1)
SANTOS, WASHINGTON L. R.; CRUZ, CLARISSA B.; SPINELLI, JOSE E.; CHEUNG, NOE; GARCIA, AMAURI. Tailoring microstructure, tensile properties and fracture process via transient directional solidification of Zn-Sn alloys. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v. 712, p. 127-132, . (17/15158-0, 16/10596-6, 17/12741-6)
OGATA, CINTHIA TOSHIMI; REYES, RODRIGO VALENZUELA; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. Length Scale of the Dendritic Array Tailoring Strength of a 5052 Aluminum Alloy. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 22, n. 1, . (17/12741-6)
EVANGELISTA DA SILVA, VITOR COVRE; DE GOUVEIA, GUILHERME LISBOA; VALENZUELA REYES, RODRIGO ANDRE; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. Sn-Bi(-Ga) TIM Alloys: Microstructure, Tensile Properties, Wettability and Interfacial Reactions. JOURNAL OF ELECTRONIC MATERIALS, v. 48, n. 8, p. 4773-4788, . (17/12741-6)
PAIXAO, JEVERTON LAUREANO; GOMES, LEONARDO FERNANDES; REYES, RODRIGO VALENZUELA; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO; SILVA, BISMARCK LUIZ. Microstructure characterization and tensile properties of directionally solidified Sn-52 wt% Bi-1wt% Sb and Sn-52wt% Bi-2wt% Sb alloys. MATERIALS CHARACTERIZATION, v. 166, . (17/12741-6)
SCALET ROSSINI, LUIS FELIPE; VALENZUELA REYES, RODRIGO ANDRE; SPINELLI, JOSE EDUARDO. Double-wire tandem GMAW welding process of HSLA50 steel. JOURNAL OF MANUFACTURING PROCESSES, v. 45, p. 227-233, . (17/12741-6)
DONADONI, BRUNO; DE GOUVEIA, GUILHERME LISBOA; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. A comparison of experimental time-secondary dendritic spacing and coarsening models for Al-Si-Cu alloys. JOURNAL OF MANUFACTURING PROCESSES, v. 54, p. 14-18, . (19/01432-8, 17/12741-6)
DIAS, MARCELINO; BOGNO, ABDOUL AZIZ; SPINELLI, JOSE EDUARDO; OLIVEIRA, RICARDO; CHEUNG, NOE; GARCIA, AMAURI; HENEIN, HANI. Microstructure and Hardness of an Al-8 wt%Si-2.5 wt%Bi Alloy Subjected to Solidification Cooling Rates from 0.1 to 800 K s(-1). ADVANCED ENGINEERING MATERIALS, v. N/A, p. 11-pg., . (16/18186-1, 19/23673-7, 18/11791-2, 17/12741-6, 17/15158-0)
PEREIRA, C. L.; GOMES, L. F.; SPINELLI, J. E.; IOP. Effects of Bi addition on Si features, tensile properties and wear resistance of hypereutectic Al-15Si alloy. 9TH WORLD CONGRESS ON COMPUTATIONAL MECHANICS AND 4TH ASIAN PACIFIC CONGRESS ON COMPUTATIONAL MECHANICS, v. 861, p. 8-pg., . (17/12741-6)
DOS SANTOS MANGUALDE, CESAR BERTOLIN; REYES, RODRIGO VALENZUELA; SPINELLI, JOSE EDUARDO; MINERALS, MET & MAT SOC. Length Scale of the Cellular Microstructure Tailoring Tensile Properties of Zn-20 wt%Sn-2 wt%Cu Solder Alloy. TMS 2019 148TH ANNUAL MEETING & EXHIBITION SUPPLEMENTAL PROCEEDINGS, v. N/A, p. 8-pg., . (17/12741-6)
CARMELO DONADONI, BRUNO MONTI; GOMES, LEONARDO FERNANDES; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. Tailoring of Microstructures and Tensile Properties in the Solidification of Al-11Si(-xCu) Brazing Alloys. METALS, v. 8, n. 10, . (17/12741-6)
KAKITANI, RAFAEL; PINTO DA SILVA, CASSIO AUGUSTO; SILVA, BISMARCK; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE EDUARDO. Local solidification thermal parameters affecting the eutectic extent in Sn-Cu and Sn-Bi solder alloys. SOLDERING & SURFACE MOUNT TECHNOLOGY, v. 34, n. 1, p. 24-30, . (19/23673-7, 17/12741-6, 17/15158-0)
LIMA, THIAGO SOARES; SILVA, BISMARCK LUIZ; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE EDUARDO. Dendritic and eutectic growth of Sn-0.5 wt.%Cu solders with low alloying Al levels. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART L-JOURNAL OF MATERIALS-DESIGN AND APPLICATIONS, v. 233, n. 9, p. 1733-1737, . (17/15158-0, 16/10596-6, 15/11863-5, 17/12741-6)
DE GOUVEIA, GUILHERME LISBOA; KAKITANI, RAFAEL; GOMES, LEONARDO FERNANDES; MOREIRA AFONSO, CONRADO RAMOS; CHEUNG, NOE; SPINELLI, JOSE EDUARDO. Slow and rapid cooling of Al-Cu-Si ultrafine eutectic composites: Interplay of cooling rate and microstructure in mechanical properties. Journal of Materials Research, v. 34, n. 8, p. 1381-1394, . (17/12741-6)
KAKITANI, RAFAEL; DE GOUVEIA, GUILHERME LISBOA; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE E.. Thermal analysis during solidification of an Al-Cu eutectic alloy: interrelation of thermal parameters, microstructure and hardness. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, v. 137, n. 3, p. 983-996, . (17/12741-6)
DIAS, MARCELINO; OLIVEIRA, RICARDO; KAKITANI, RAFAEL; CHEUNG, NOE; HENEIN, HANI; SPINELLI, JOSE EDUARDO; GARCIA, AMAURI. Effects of solidification thermal parameters and Bi doping on silicon size, morphology and mechanical properties of Al-15wt.% Si-3.2wt.% Bi and Al-18wt.% Si-3.2wt.% Bi alloys. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, v. 9, n. 3, p. 3460-3470, . (18/11791-2, 17/12741-6)
REYES, RODRIGO V.; PINOTTI, VITOR E.; AFONSO, CONRADO R. M.; CASTELETTI, LUIZ C.; GARCIA, AMAURI; SPINELLI, JOSE E.. Processing, As-Cast Microstructure and Wear Characteristics of a Monotectic Al-Bi-Cu Alloy. Journal of Materials Engineering and Performance, v. 28, n. 2, SI, p. 1201-1212, . (17/12741-6)
REYES, V, RODRIGO; CASTELETTI, LUIZ C.; GARCIA, AMAURI; SPINELLI, JOSE E.. Characterization of microstructure and wear resistance of a monotectic Al-Bi-Zn alloy. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, v. 147, . (17/12741-6)
SEPTIMIO, RUDIMYLLA; CRUZ, CLARISSA; SILVA, BISMARCK; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO; CHEUNG, NOE. Microstructural and segregation effects affecting the corrosion behavior of a high-temperature Bi-Ag solder alloy in dilute chloride solution. Journal of Applied Electrochemistry, v. 51, n. 5, p. 769-780, . (17/12741-6, 19/23673-7, 17/15158-0)
CANTE, V, MANUEL; LIMA, THIAGO S.; BRITO, CRYSTOPHER; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE E.. An Alternative to the Recycling of Fe-Contaminated Al. JOURNAL OF SUSTAINABLE METALLURGY, v. 4, n. 3, p. 412-426, . (16/10596-6, 15/11863-5, 17/12741-6, 17/16058-9)
XAVIER, MARCELLA G. C.; REYES, V, RODRIGO A.; GOMES, LEONARDO F.; SPINELLI, JOSE E.; MANGELINCK-NOEL, N.; NGUYEN-THI, HENRI; REINHART, GUILLAUME. Combined growth of alpha-Al and Bi in a Al-Bi-Cu monotectic alloy analyzed by in situ X-ray radiography. Journal of Crystal Growth, v. 536, . (17/12741-6)
GOMES, LEONARDO FERNANDES; DA SILVA, PAULO SERGIO; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. Effects of Silver Content and Cooling Rate on Electrical Conductivity and Tensile Properties of Al-Si(-Ag) Alloys. Journal of Materials Engineering and Performance, v. 29, n. 10, p. 6849-6860, . (17/12741-6)
GOMES, LEONARDO F.; SPINELLI, J. E.; BOGNO, A-A; GALLERNEAULT, M.; HENEIN, H.. Influence of annealing treatment on Si morphology and strength of rapid solidified Al-12 wt% Si powders. Journal of Alloys and Compounds, v. 785, p. 1077-1085, . (18/15059-4, 17/12741-6)
LIMA, THIAGO SOARES; DE GOUVEIA, GUILHERME LISBOA; SEPTIMIO, RUDIMYLLA DA SILVA; DA CRUZ, CLARISSA BARROS; SILVA, BISMARCK LUIZ; BRITO, CRYSTOPHER; SPINELLI, JOSE EDUARDO; CHEUNG, NOE. Sn-0.5Cu(-x)Al Solder Alloys: Microstructure-Related Aspects and Tensile Properties Responses. METALS, v. 9, n. 2, . (17/12741-6, 15/11863-5, 16/18186-1)
CLEITON LUIZ PEREIRA; LEONARDO FERNANDES GOMES; JOSÉ EDUARDO SPINELLI. Effects of Bi Addition on Si Features, Tensile Properties and Wear Resistance of Hypereutectic Al-15Si Alloy. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 23, n. 2, . (17/12741-6)
SCHON, ALINE FERREIRA; REYES, RODRIGO VALENZUELA; SPINELLI, JOSE EDUARDO; GARCIA, AMAURI; SILVA, BISMARCK LUIZ. Assessing microstructure and mechanical behavior changes in a Sn-Sb solder alloy induced by cooling rate. Journal of Alloys and Compounds, v. 809, . (17/12741-6)
KAKITANI, RAFAEL; REYES, RODRIGO V.; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE E.. Effects of Melt Superheating on the Microstructure and Tensile Properties of a Ternary Al-15 Wt Pct Si-1.5 Wt Pct Mg Alloy. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, v. 50A, n. 3, p. 1308-1322, . (17/12741-6)
DA CRUZ, CLARISSA BARROS; KAKITANI, RAFAEL; CAVALCANTE XAVIER, MARCELLA GAUTE; SILVA, BISMARCK LUIZ; GARCIA, AMAURI; CHEUNG, NOE; SPINELLI, JOSE EDUARDO. Transient Unidirectional Solidification, Microstructure and Intermetallics in Sn-Ni Alloys. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 21, n. 1, . (17/15158-0, 16/18186-1, 17/12741-6, 15/11863-5)
SILVA, BISMARCK L.; GARCIA, AMAURI; SPINELLI, JOSE E.. Wetting behavior of Sn-Ag-Cu and Sn-Bi-X alloys: insights into factors affecting cooling rate. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, v. 8, n. 1, p. 1581-1586, . (17/12741-6)
RAMOS, LIDIANE SILVA; REYES, RODRIGO VALENZUELA; GOMES, LEONARDO FERNANDES; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO; SILVA, BISMARCK LUIZ. The role of eutectic colonies in the tensile properties of a Sn-Zn eutectic solder alloy. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v. 776, . (17/12741-6)
XAVIER, MARCELLA G. C.; SOUZA, THAISA M. G.; CHEUNG, NOE; GARCIA, AMAURI; SPINELLI, JOSE E.. Effects of cobalt and solidification cooling rate on intermetallic phases and tensile properties of a -Cu, -Zn, -Fe containing Al-Si alloy. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 107, n. 1-2, p. 717-730, . (17/12741-6)
REYES, RODRIGO V.; PINOTTI, VITOR E.; AFONSO, CONRADO R. M.; CASTELETTI, LUIZ C.; GARCIA, AMAURI; SPINELLI, JOSE E.. Processing, As-Cast Microstructure and Wear Characteristics of a Monotectic Al-Bi-Cu Alloy. Journal of Materials Engineering and Performance, v. 28, n. 2, p. 12-pg., . (17/12741-6)