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UID:20250819T035816EDT-2870oVb1i1@132.216.98.100
DTSTAMP:20250819T075816Z
DESCRIPTION:Abstract:\n\nCorrosion is an electrochemical process that invol
 ves metal oxidation through interactions with the environment\, leading to
  material deterioration. Much of our fundamental understanding of corrosio
 n relies on the assumption that metallic materials uniformly corrode. Yet\
 , it is estimated that 75% of corrosion failures are due to corrosion that
  initiates at a specific location along the material’s surface. This local
 ized corrosion is difficult to predict\, detect\, and quantify before detr
 imental damage has occurred.1 Scanning electrochemical probe microscopy (S
 EPM) methods have become useful tools to investigate localized corrosion i
 nitiation mechanisms.2 The advancement and standardization of SEPM is cruc
 ial for the development of longer lasting and safer materials\, where feed
 back loops between characterization researchers and material developers ca
 n be made to accelerate the improvement of metal fabrication processes.\n
 \nIn this seminar\, I will discuss some of my research efforts using a mul
 tiscale electrochemical approach to understand the corrosion behaviour and
  mechanisms of industrially and societally relevant metallic materials. Fi
 rst\, the possibility of using metal thermal spray coatings to prolong the
  lifetime of hydraulic turbine infrastructure will be discussed.3\,4 Next\
 , the approach taken will be expanded to our recent work on cold spray coa
 tings that are being proposed as a protection method for used nuclear fuel
  waste containers.5 I will end the discussion by sharing my aspirations to
  challenge an outdated contraceptive technology by utilizing advancements 
 in coating methods and corrosion knowledge to improve the user experience 
 of non-hormonal intrauterine devices.\n\n \n\nBio:\n\nDr. Gateman is an As
 sistant Professor in the Chemistry Department at Western University in Lon
 don\, Ontario\, and the Chair in Radiation Induced Chemistry funded by the
  Nuclear Waste Management Organization (NWMO). Her interest in electrochem
 istry sparked during her experience as an undergraduate summer researcher 
 while working with Prof. Mauzeroll at ɬÀï·¬. Dr. Gateman conti
 nued her education at ɬÀï·¬ as a graduate student\, where her NSERC-funde
 d PhD research focused on using multiscale electrochemical methods to unde
 rstand the corrosion behaviour of ferrous coatings proposed to improve the
  degradation issues faced in hydraulic turbine systems. During her PhD\, D
 r. Gateman obtained a Mitacs Globalink Research Award to pursue investigat
 ions of superhydrophobic coatings with Prof. Ivan Parkin at University Col
 lege London. She is also the recipient of the D. W. Ambridge Prize for bes
 t thesis in the Faculty of Science and Engineering at ɬÀï·¬\, 
 the ɬÀï·¬ Chemistry Carl Winkler Award\, and the Graduate Student Excelle
 nce Award from the NACE Foundation of Canada. Dr. Gateman then moved to Pa
 ris\, France\, to begin an NSERC postdoctoral fellowship with Dr. Vincent 
 Vivier. There\, she worked in collaboration with the chemical company\, Me
 rck\, on investigating the local aging fluctuations of ionic exchange mate
 rials for MilliQ water purification systems using multiscale electrochemic
 al impedance spectroscopy. Dr. Gateman returned home to Canada in 2022 to 
 begin her independent career as an Assistant Professor at Western Universi
 ty. She is building her research program that focuses on advancing scannin
 g electrochemical probe microscopy (SEPM) methods for elucidating corrosio
 n mechanisms of both metal coatings and polymer-coated metals for the prot
 ection of industrial infrastructure and biomedical devices. Dr. Gateman’s 
 research highlights the importance of bridging the gap between analytical 
 chemists\, corrosion scientists\, and industry through tailoring quantitat
 ive and spatially resolved electrochemical methods to investigate corrosio
 n initiation mechanisms on the micro/nano scale under simulated in-service
  environments.\n
DTSTART:20230411T170000Z
DTEND:20230411T183000Z
LOCATION:Room 10\, Maass Chemistry Building\, CA\, QC\, Montreal\, H3A 0B8\
 , 801 rue Sherbrooke Ouest
SUMMARY:Chemical Society Seminar: -Samantha Gateman- The Tales of Corrosion
 : Understanding Metal Degradation using a Multiscale Electrochemical Appro
 ach
URL:/chemistry/channels/event/chemical-society-seminar
 -samantha-gateman-tales-corrosion-understanding-metal-degradation-using-34
 4368
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