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    Volume 6, Issue 1 (January 2009)

    Water and Polymer Quenching of Aluminum Alloys: A Review of the Effect of Surface Condition, Water Temperature, and Polymer Quenchant Concentration on the Yield Strength of 7075-T6 Aluminum Plate

    (Received 26 August 2008; accepted 3 November 2008)

    Published Online: 09 December 2008

    CODEN: JAIOAD

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    Abstract

    Cold water is perhaps the most common quenchant used for heat treatable aluminum alloys. In many situations, excessive distortion and cracking problems require the use of a less severe quenchant such as hot water or a Type I aqueous polymer quenchant. However, when these alternative quenching media are used, the distortion improvement achieved is typically accompanied by a corresponding loss of strength. This paper will provide an overview of cold versus hot water quenching and the potential use of Type I polymer quenchants. The potential use of quench factor analysis to aid in quenchant media selection and corresponding property prediction is reviewed and applications are demonstrated. The often dramatic impact of the surface condition of aluminum on quenching performance and properties achieved will also be included in this review.

    Author Information:

    Sarmiento, Gustavo Sánchez
    Universidad de Buenos Aires, Facultad de Ingeniería, Buenos Aires,

    Universidad del Salvador, Facultad de Ciencia y Tecnología, Buenos Aires,

    Bronzini, Carlos
    Universidad Austral, Facultad de Ingeniería, Buenos Aires,

    Canale, Antonio Carlos
    Universidade de São Paulo, Escola de Engenharia de São Carlos, São Carlos SP,

    Canale, Lauralice C. F.
    Universidade de São Paulo, Escola de Engenharia de São Carlos, São Carlos SP,

    Totten, George E.
    Portland State University, Department of Mechanical and Materials Engineering,

    Stock #: JAI102098

    ISSN:1546-962X

    DOI: 10.1520/JAI102098

    Author
    Title Water and Polymer Quenching of Aluminum Alloys: A Review of the Effect of Surface Condition, Water Temperature, and Polymer Quenchant Concentration on the Yield Strength of 7075-T6 Aluminum Plate
    Symposium ,
    Committee B07