Effect of Extrusion Texture on Mechanical and Electrochemical Properties of Aluminum Alloy Drill Pipe

Abstract:

Aiming at the special service environment of aluminum alloy drill pipe, in this paper, the influence of extrusion texture on the mechanical and electrochemical properties of aluminum alloy drill pipe was studied. And the macroscopic textures of longitudinal profile and cross section of aluminum alloy drill pipe were tested, and the tensile, compressive and impact mechanical properties were tested, followed by immersion and electrochemical testing. The results show that the texture which 2A12T4 aluminum alloy drill pipe contains is <001> and <111> along the extrusion direction and <223>, <101> in the transverse direction. The test results of mechanical properties show that the extruded texture will affects the mechanical properties of material. When the cross section and longitudinal profile samples of 2A12T4 were soaked in 3.5% NaCl solution at 25°C, 60°C and 90°C, their corrosion resistance are different. The pits of transverse specimens exhibit a dispersed distribution and that of longitudinal specimens are distributed along the extrusion direction.

• Periodical: Materials Science Forum (Volume 913)
• Pages: 157-167
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.913.157
• Online since: February 2018
• Authors: Xiao Hong Wang*, Zheng Wei Peng, Gao Xu Li, Yuan Hua Lin, Hai Lun Wang
• Keywords: Aluminum Alloy Drill Pipe, Electrochemical Property, Extrusion Texture, Mechanical Properties

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