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Vol.24, No.10, 1200 ~ 1207, 1986
Title
The Effect of Nitrogen Contents on the Stress Corrosion Cracking in AISI 304 Stainless Weld Metal
이언종U . J . Lee, 권소인S . I . Kwun
Abstract
The effect of nitrogen content on the susceptibity for stress corrosion cracking of AISI 304 weld metal in holing 42% MgCl₂ have been investigated using the slow strain rate technique. As the nitrogen content in weld metal increased the amount of retained delta ferrite was decreased And it was found that the nitrogen content has more effects than the amount of retained delta ferrite on the mechanical properties of weld metal. The increase in nitrogen content promoted the planar arrays of dislocations. This behavior, together with the strip step dissolution, could explain the increased tendency of transgranular stress corrosion cracking with the increased nitrogen content and decreased initial strain rate.
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