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THE TRIBOLOGY AND FORMABILITY OF ZINC COATED STEEL SHEETS SUBJECTED TO DIFFERENT STRAIN STATES

Jang, Yohan
http://rave.ohiolink.edu/etdc/view?acc_num=case1270093768

Abstract Details

2010, Master of Sciences (Engineering), Case Western Reserve University, Materials Science and Engineering.
Five types of zinc coated sheet steels were evaluated for their surface friction, coating adhesion properties and formability under different strain states. The coefficient of friction values found under biaxial tensile strain were significantly larger than those associated with the drawing strain states. It was found that surface morphology, strain state, and shear yield strength of the zinc coating were direct factors affecting surface friction. The η- phase based coatings exhibited the lowest coating adhesion either at the plane strain condition or at the stretching condition whereas the δ- phase based coating exhibited that at the drawing condition. It was found that coating adhesion depends directly on the microstructure of the zinc coating and the strain state. It was also found that surface friction and coating adhesion could affect the formability of a zinc coated steel sheet by influencing its strain state and fracture mechanism, respectively.
Gary Michal, Prof./PhD (Committee Chair)
Gerhard Welsch, Prof./PhD (Committee Member)
John Lewandowski, Prof./PhD (Committee Member)
129 p.
Materials Science
Tribology; Surface Friction; Coating Adhesion; Formability; Strain States; Zinc Coated Steel Sheets

Recommended Citations

Citations

  • Jang, Y. (2010). THE TRIBOLOGY AND FORMABILITY OF ZINC COATED STEEL SHEETS SUBJECTED TO DIFFERENT STRAIN STATES [Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1270093768

    APA Style (7th edition)

  • Jang, Yohan. THE TRIBOLOGY AND FORMABILITY OF ZINC COATED STEEL SHEETS SUBJECTED TO DIFFERENT STRAIN STATES. 2010. Case Western Reserve University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1270093768.

    MLA Style (8th edition)

  • Jang, Yohan. "THE TRIBOLOGY AND FORMABILITY OF ZINC COATED STEEL SHEETS SUBJECTED TO DIFFERENT STRAIN STATES." Master's thesis, Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1270093768

    Chicago Manual of Style (17th edition)

case1270093768
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© 2010, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.