ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
The key to enhance the precision of sheet metal stamping parts is accurate prediction andcontrol of the springback. And one of the dominant factors of springback is the elastic modulus. Thechange of elastic modulus with plastic deformation was experimentally studied for the annealed LY12and the annealed LF21 aluminum alloy respectively, and the changing role of elastic modulus withplastic deformation was obtained. By inverse pole figure from the X-ray diffraction analysis, theeffects of the material original textures and their changing with plastic deformation on the elasticmodulus were studied. And by positron annihilation lifetime spectrum , the influence of latticedistortion caused by crystal defect during plastic deformation on the elastic modulus was investigated.The micromechanism of the elastic modulus changing with plastic deformation for aluminum alloy isrevealed, which lays a foundation for improving the stamping parts’ precision
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.713.pdf
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