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Fatigue behaviour of thixoformed alloys

Grant number: 15/22143-3
Support Opportunities:Regular Research Grants
Start date: May 01, 2016
End date: June 30, 2018
Field of knowledge:Engineering - Mechanical Engineering - Manufacturing Processes
Principal Investigator:Eugênio José Zoqui
Grantee:Eugênio José Zoqui
Host Institution: Faculdade de Engenharia Mecânica (FEM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated researchers: Gabriela Lujan Brollo ; Pablo Siqueira Meirelles

Abstract

The processing of alloys in semisolid state, SSM, is nothing more than forming of the metal in the mush condition. Among the main processes stand out rheocasting and thixoforming that compete with die casting technology (permanent mould injection). Such processes have gained market particularly in East Asia and much has been done in terms of development of new alloys and raw materials production processes, but there is little information on the mechanical behaviour beyond the conventional tensile tests. As these processes are mostly used for producing structural parts for aeronautical, naval and automotive industry, to evaluate the fatigue resistance of the parts produced is paramount important to ensure and disseminate the use of this technology. This proposal aims to evaluate the effect of processing parameters of these much metals on the fatigue behaviour for the several alloys developed. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications (17)
(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)
TORRES, LUIS VANDERLEI; TORRES, LUIS FERNANDO; ZOQUI, EUGENIO JOSE. Electromagnetic Stirring versus ECAP: Morphological Comparison of Al-Si-Cu Alloys to Make the Microstructural Refinement for Use in SSM Processing. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, . (09/08478-1, 15/22143-3, 13/09961-3)
SANCHEZ ROCA, ANGEL; CARVAJAL FALS, HIPOLITO DOMINGO; ZOQUI, EUGENIO JOSE. In situ differential thermal analysis device for evaluating high-speed phase transitions. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, v. 134, n. 3, p. 1589-1597, . (15/22143-3)
BROLLO, GABRIELA LUJAN; DE PAULA, LEANDRO CASSIO; WEISHAUPT PRONI, CECILIA TEREZA; ZOQUI, EUGENIO JOSE. Analysis of the thermodynamic behavior of A355 and B319 alloys using the differentiation method. Thermochimica Acta, v. 659, p. 121-135, . (15/22143-3, 13/09961-3)
PRONI, C. T. W.; BROLLO, G. L.; ZOQUI, E. J.. A Comparison of the Use of Ultrasonic Melt Treatment and Mechanical Vibration in the Manufacture of Al5Si5Zn Alloy Feedstock for Thixoforming. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, v. 51, n. 1, . (15/22143-3)
DE PAULA, LEANDRO CASSIO; ZOQUI, EUGENIO JOSE. Microstructural refinement of 355 aluminium alloys by ultrasonic melt treatment (UST). SN APPLIED SCIENCES, v. 1, n. 5, . (15/22143-3)
BROLLO, GABRIELA LUJAN; TARNAYO, DAIMER VELAZQUEZ; TORRES, LUIS VANDERLEI; ZOQUI, EUGENIO JOSE. Thermodynamic evaluation of the thixoformability of Al-Si-Cu alloys. CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY, v. 67, . (09/08478-1, 15/22143-3, 13/09961-3)
BEIL, WENDEL LEME; BROLLO, GABRIELA LUJAN; ZOQUI, EUGENIO JOSE. A Continuous Casting Device with Electromagnetic Stirring for Production of SSM Feedstock Using Al-Si Alloys. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 24, n. 3, . (15/22143-3, 13/09961-3)
RODRIGUES DANTAS, ANDRE VICTOR; BROLLO, GABRIELA LUJAN; TAMAYO, DAIMER VELASQUEZ; ZOQUI, EUGENIO JOSE. Thixoforming of an Al-Si-Zn-Mg Alloy - Thermodynamic Characterization, Microstructural Evolution and Rheological Behavior. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 24, n. 2, . (15/22143-3, 13/09961-3)
GREGOLIN, A.; FACCHINI, C. A.; ZOQUI, E. J.. The use of ECAP in the Microstructural Conditioning of the 355 Aluminum Alloy for Thixoforming. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 23, n. 4, p. 8-pg., . (15/22143-3)
A. GREGOLIN; C. A. FACCHINI; E. J. ZOQUI. The use of ECAP in the Microstructural Conditioning of the 355 Aluminum Alloy for Thixoforming*. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 23, n. 4, . (15/22143-3)
VELAZQUEZ TAMAYO, DAIMER; BROLLO, GABRIELA LUJAN; DE OLIVEIRA, JULIANA RODRIGUES; MIANI, FABIO; ZOQUI, EUGENIO JOSE. The Thixoforming Process Window for Al-Si-Zn Alloys Using the Differentiation Method: The Role of Si, Heating Rate and Sample Mass. METALS, v. 12, n. 5, p. 19-pg., . (15/22143-3, 18/11802-4)
BROLLO, GABRIELA LUJAN; WEISHAUPT PRONI, CECILIA TEREZA; DE PAULA, LEANDRO CASSIO; ZOQUI, EUGENIO JOSE. An alternative method to identify critical temperatures for semisolid materials process applications using differentiation. Thermochimica Acta, v. 651, p. 22-33, . (15/22143-3, 13/09961-3)
BROLLO, GABRIELA LUJAN; WEISHAUPT PRONI, CECILIA TEREZA; ZOQUI, EUGENIO JOSE. Thixoforming of an Fe-Rich Al-Si-Cu Alloy-Thermodynamic Characterization, Microstructural Evolution, and Rheological Behavior. METALS, v. 8, n. 5, . (15/22143-3)
TORRES, LUIS VANDERLEI; NALDI, MARCOS ANTONIO; ZOQUI, EUGENIO JOSE. Thixoforging of 332 aluminum alloy in a mechanical eccentric press. Journal of Materials Science, v. 56, n. 19, p. 11541-11556, . (15/22143-3, 18/11802-4)
GABRIELA LUJAN BROLLO; CECÍLIA TEREZA WEISHAUPT PRONI; EUGÊNIO JOSÉ ZOQUI. The effect of the chemical distribution on the mechanical properties of the Al-5.5wt%Si-5wt%Zn-0.2wt%Mg alloy after thixoforging and solution heat treatment. MATERIA-RIO DE JANEIRO, v. 27, n. 2, . (09/08478-1, 13/09961-3, 15/22143-3)
TORRES, LUIS VANDERLEI; ZOQUI, EUGENIO JOSE. Microstructural Stability and Rheological Behavior of Al-Si-Cu Alloys in the Semi-solid State. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, v. 53, n. 5, p. 17-pg., . (15/22143-3, 18/11802-4, 09/08478-1)
TORRES, LUIS VANDERLEI; TORRES, LUIS FERNANDO; ZOQUI, EUGENIO JOSE. Electromagnetic Stirring versus ECAP: Morphological Comparison of Al-Si-Cu Alloys to Make the Microstructural Refinement for Use in SSM Processing. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, v. 2016, p. 7-pg., . (13/09961-3, 15/22143-3, 09/08478-1)