Parameters thermal influence of within the manufacturing process on the mechanical properties of Al 7075 alloy

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Published: Jul 26, 2021
Keywords:
Brinell hardness, 7075-T651 Alloy, Microstructures, Vickers microhardness, Solidification, Homogenization / Solubilization, Aging, Cooling rate, Heat treatment

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Edwin Gilberto Medina Bejarano
Mirian Motta Melo
Yina Faizully Quintero Gamboa

Abstract

Among precipitation-hard enable aluminum alloys, Al-Zn-Mg alloys have been the subject of much research because they are the alloys with the highest mechanical strength. The desirable mechanical properties of this class of alloys are due to structural heterogeneities on a nanoscale, which are formed at an intermediate stage in the evolution of the supersaturated solid solution towards an equilibrium structure, where excessive solute is secreted in the form of incoherent precipitates or Orewa’s mechanism [1]. This work aimed to evaluate the influence of the manufacturing processes: solidification, homogenization / solubilization and aging in the Al 7075 alloy using low cost characterization techniques, such as hardness and microhardness measures. For the conditions studied in this work, it can be concluded that the results of hardness and microhardness have substantial influence depending on the different conditions: crude solidification, solubilized / tempered in water and aged and as received (T6 51), confirming that they can serve as controls during the processing steps. It was also possible to predict the performance limit from the Vickers microhardness results for the different Al 7075 alloy processing conditions, with an error of 5% for the received condition (T6 51).

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How to Cite
Medina Bejarano, E. G., Motta Melo, M., & Quintero Gamboa, Y. F. (2021). Parameters thermal influence of within the manufacturing process on the mechanical properties of Al 7075 alloy. Ingenio Magno, 12(1), 88-107. Retrieved from http://revistas.ustatunja.edu.co/index.php/ingeniomagno/article/view/2312
Issue
Vol. 12 No. 1 (2021): Ingenio Magno vol. 12-1
Section
Articulos

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Author Biographies

Edwin Gilberto Medina Bejarano

Instituto de Engenharia Mecânica, Universidade Federal de Itajubá, Brasil.

Mirian Motta Melo

Instituto de Engenharia Mecânica, Universidade Federal de Itajubá, Brasil.

Yina Faizully Quintero Gamboa

IMECI, Facultad de Ingeniería Mecánica, Universidad Santo Tomás seccional Tunja, Colombia.

References

Padilha, A. F.. Materiais de engenharia. Hemus, 1997

Abal -. Fundamentos e Aplicações do Alumínio. Editado por ABAL. São Paulo: Associação Brasileira do Alumínio, 2015.

Asm international. ASM Handbook. Heat Treating. EUA: ASM International 4, 1991b. ASM INTERNATIONAL, 1991.

Alcoa. Alcoa. 2015. www.alcoa.com/brasil/pt/resources/pdf/industria/catalogo_ligas_temperas_2010.pdf (último acceso: 2015 de 5 de 5).

ASM Aerospace Specification Metals Inc. «Aluminum 7050-T7651.» The Aluminum Association, In, 2001.

Hutchinson, E. «Desenvolvimento e Caracterização de Revestimentos do tipo Super-rede de Dureza.» 2005.

Rodrigues, JR Pereira; Mello, M. De Lourdes Noronha Motta; Dos Santos, R. Gomes. Analysis of permeability of interdendritic channels during solidification of aluminum magnesium alloys , journa of Achievements in Materials and Manufacturing Engineering 2008

Gunduz M, Çardili E. «Directional solidification of aluminium-copper alloys.» Materials Science and Engineering A. , 2002: 167-185.

ASTM. «ASTM E23 - 07 ae1 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials.» 2007. E112-13. Standard Test Methods for Determining Average Grain Size. 2013.

ASTM B917/B917M-2001 ASTM B917 / B917M. (s.d.). 09 Standard Practice for Heat Treatment of Aluminum-Alloy Castings from All Processes.

Cong, Fu-Guan & Zhao, Gang & Jiang, Feng & Tian, Ni & Li, Rui-Feng. Effect of homogenization treatment on microstructure and mechanical properties of DC cast 7X50 aluminum alloy. Transactions of Nonferrous Metals Society of China. 25. 10.1016/ S1003-6326(15)63694-9. 2015

Mondal Chandan, Mukhopadhyay A K. On the nature of T(Al2Mg3Zn3) and S(Al2CuMg) phase present in as-cast and annealed 7055 aluminum alloy [J]. Mate Sci Eng A, 2005, A391: 367−376

Tiryakioglu, Murat, Jeremy S Robinson, Manuel A Salazarguapuriche, Y Paul D Eason. «Hardness-Strength Relationships in the Aluminum Alloy 7010.» Materials Science & Engineering A 631 (04 2015): 196-200.