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Vol.33, No.9, 1197 ~ 1205, 1995

Title

Annealing Texture in INCONEL 690 Sheets

허무영 , 표은종 , 박용수 , 안성욱 Moo Young Huh , Eun Jong Pyo , Yong Soo Park , Seong Uk An

Abstract

The development of preferred orientations in the annealing texture of the Inconel 690 sheets was studied by the x-ray texture measurements and TEM observations. The pure metal type rolling texture which can be described by preferred orientations near {112}$lt;111$gt;, {123}$lt;634$gt; and {110}$lt;112$gt; was formed in the 60% cold rolled Inconel 690 sheet. The annealing texture of the Inconel 690 sheets was dependent on the annealing temperature. A lower mobility of the moving grain boundaries at 750℃ caused the formation of the annealing texture which was similar to the cold rolling texture. The major preferred orientations of the 950℃ annealed specimens were {112}$lt;110$gt; and {001}$lt;110$gt;. These orientations seemed to have the oriented growth relationship with respect to the rolling texture components. The formation of fine and closely spaced annealing twins in the specimen annealed at 1150℃ led to the randomization of the annealing texture.

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