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Sulfuric Acid Corrosion to Simulate Microbial Influenced Corrosion on Stainless Steel 316L

Miller, Jacob T

Abstract Details

2017, Master of Science in Engineering, Youngstown State University, Department of Civil/Environmental and Chemical Engineering.
The continued improvement of additive manufacturing (3D printing) is progressively eliminating the geometric limitations of traditional subtractive processes. Because parts are built up in thin layers, such as in processes like Laser Powder Bed Fusion, complex parts can be manufactured easily. However, this manufacturing method likely causes the parts to have rougher surfaces and decreased density compared to their traditional counterparts. The effect of this difference has not been researched thoroughly, but may have a significant impact on the properties of the parts. For example, the 3D printed parts could more easily collect micro-organisms that produce sulfuric acid as byproducts of their metabolic processes. Uninhibited microbial growth on the sample surface could produce enough sulfuric acid to degrade the parts through hydrogen embrittlement. This research contrasts the tensile stress and corrosion behavior of 316L stainless steel between traditional and additive manufactured parts based on exposure time to a 0.75 molar sulfuric acid solution, which mimics microbial metabolic byproducts.
Holly Martin, PhD (Advisor)
Pedro Cortes, PhD (Committee Member)
Brett Conner, PhD (Committee Member)
79 p.

Recommended Citations

Citations

  • Miller, J. T. (2017). Sulfuric Acid Corrosion to Simulate Microbial Influenced Corrosion on Stainless Steel 316L [Master's thesis, Youngstown State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ysu151621775594905

    APA Style (7th edition)

  • Miller, Jacob. Sulfuric Acid Corrosion to Simulate Microbial Influenced Corrosion on Stainless Steel 316L. 2017. Youngstown State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ysu151621775594905.

    MLA Style (8th edition)

  • Miller, Jacob. "Sulfuric Acid Corrosion to Simulate Microbial Influenced Corrosion on Stainless Steel 316L." Master's thesis, Youngstown State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ysu151621775594905

    Chicago Manual of Style (17th edition)