Study of precipitation and deformation characteristics of the aluminium-lithium alloy by X-ray double crystal diffractometry
Chaudhuri, J. Gondhalekar, V. Inchekel, A. Talia, Jorge E.
Chaudhuri, J.
Gondhalekar, V.
Inchekel, A.
Talia, Jorge E.
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1990-09
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Article
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Aluminum Metallography--precipitation,Strain,X-ray analysis,Compressive strain,Dislocation density,Residual strain,Aluminum lithium alloys
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Chaudhuri, J., Gondhalekar, V., Inchekel, A. et al. Study of precipitation and deformation characteristics of the aluminium-lithium alloy by X-ray double crystal diffractometry. J Mater Sci 25, 3938–3940 (1990). https://doi.org/10.1007/BF00582463
Abstract
The X-ray double crystal diffractometry technique was utilized to follow the ageing and deformation characteristics in the aluminium-lithium (Al-Li) alloy. This non-destructive method is extremely sensitive to measure the strain and dislocation density within individual grains through X-ray rocking curves. For ageing at 200 ° C, optimum ageing needed for maximum hardness was 32 h. Dislocation multiplication was responsible for reduction of hardness beyond 32 h ageing. In addition, when the specimen was deformed in tension, both compressive and tensile residual strains were found within individual grains. © 1990 Chapman and Hall Ltd. © 2007 Elsevier B.V., All rights reserved.
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Springer Nature
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Journal of Materials Science
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15734803
00222461
00222461