Abstract
Abstract The general and stress corrosion behavior of Ti-6Al-4V alloy in Freon environments were investigated. Intentionally flawed specimens were examined to determine the ability of the metal to sustain defects on exposure to stress and environment. Freon TF and Freon MF were used as base environments for the study. In addition to testing with commercially pure Freons, chlorine-doped Freons were used. Two thicknesses of solution-treated and aged Ti-6Al-4V alloy were used. The crack-bearing properties of a metal in the presence of an environment is based on the framework of fracture mechanics. It is indicated that the primary function of stress intensity in the Ti-6Al-4V/Freon MF interaction is the exposure of fresh titanium surfaces to the environment through plastic deformation at the crack tip.
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