Feasibility Study of Compaction and Sintering of Commercially Pure Titanium using Friction Stir Processing

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This article explores the possibility of decreasing the number of steps required in the manufacturing of a product using the powder metallurgy technique.

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8 p.

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Fortier, Aleksandra; Kumar, Nilesh; Komarasamy, Mageshwari & Mishra, Rajiv May 22, 2018.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by UNT College of Engineering to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 18 times , with 10 in the last month . More information about this article can be viewed below.

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  • Inpressco
    Place of Publication: Kurukshetra, India

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This article explores the possibility of decreasing the number of steps required in the manufacturing of a product using the powder metallurgy technique.

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8 p.

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Abstract: Manufacturing of a component through powder metallurgy (PM) route involves at least three critical steps: powder blending, compaction, and sintering. Overall, the PM route takes 4 to 8 steps to get to the final product. Moreover, it requires a huge amount of capital investment to perform every step of the manufacturing process via PM route. Friction stir processing (FSP) is a derivative of friction stir welding which has emerged as a generic microstructural modification tool in last one decade. The aim of the current work was to explore the possibility of decreasing the number of steps required in the manufacturing of a product using the PM technique. Using the FSP method, the manufacturing process is reduced to two steps and the mechanical properties of the final product are significantly improved. In this study, commercially pure titanium (Ti) powder was used. The two-step process appeared extremely efficient and it involved: 1) constraining the Ti-powder in a die and using a punch to consolidate it in a final disk-like geometry, 2) next, the consolidated disk-shaped product was processed using FSP tools and methods. Initial mechanical characterization results show peak hardness of the FSP processed Ti-powder product to be approximately 436 HV0.3 with average hardness measured at about 251 HV. The electron backscattered diffraction of teh FSP-assisted sintered region showed equiaxed grains with average grain size to be 440 ± 254 mm. The initial result indicates FSP can be used as a manufacturing tool for consolidating powders in to bulk solid form.

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  • International Journal of Current Engineering and Technology, 2018. Kurukshetra, India: Inpressco

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  • Publication Title: International Journal of Current Engineering and Technology
  • Volume: 8
  • Issue: 3
  • Page Start: 593
  • Page End: 600

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UNT Scholarly Works

Materials from the UNT community's research, creative, and scholarly activities and UNT's Open Access Repository. Access to some items in this collection may be restricted.

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  • May 22, 2018

Submitted Date

  • March 15, 2018

Accepted Date

  • May 18, 2018

Added to The UNT Digital Library

  • July 30, 2018, 12:01 p.m.

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Fortier, Aleksandra; Kumar, Nilesh; Komarasamy, Mageshwari & Mishra, Rajiv. Feasibility Study of Compaction and Sintering of Commercially Pure Titanium using Friction Stir Processing, article, May 22, 2018; Kurukshetra, India. (digital.library.unt.edu/ark:/67531/metadc1213689/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Engineering.