Influence of rolling temperature on microstructure and mechanical properties of cryorolled Al-Mg-Si alloy

Gopi, B and Nagakrishna, N and Venkateswarlu, K and Sivaprasad, K (2012) Influence of rolling temperature on microstructure and mechanical properties of cryorolled Al-Mg-Si alloy. World Academy of Science, Engineering and Technology, 61 . pp. 731-735.

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    Abstract

    An effect of rolling temperature on the mechanical properties and microstructural evolution of an Al-Mg-Si alloy was studied. The material was rolled up to a true strain of ~0.7 at three different temperatures viz; room temperature, liquid propanol and liquid nitrogen. The liquid nitrogen rolled sample exhibited superior properties with a yield and tensile strength of 332 MPa and 364 MPa, respectively, with a reasonably good ductility of ~9%. The liquid nitrogen rolled sample showed around 54 MPa increase in tensile strength without much reduction in the ductility as compared to the as received T6 condition alloy. The microstructural details revealed equiaxed grains in the annealed and solutionized sample and elongated grains in the rolled samples. In addition, the cryorolled samples exhibited fine grain structure compared to the room temperature rolled samples.

    Item Type: Journal Article
    Additional Information: Copyright for this article belongs to M/s. WASET
    Uncontrolled Keywords: Al-Mg-Si alloy;Cryorolling;Tensile properties;Ultra fine grainstructure
    Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
    Division/Department: Other, Other, Materials Science Division , Other
    Depositing User: Ms. Alphones Mary
    Date Deposited: 07 Mar 2013 15:30
    Last Modified: 07 Mar 2013 15:30
    URI: http://nal-ir.nal.res.in/id/eprint/11498

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