2024

• Conference lecture
  Lilletvedt, Roald; Kleveland, Kjersti; Olsen, Gerhard Henning. (2024) Wiser after failure analysis. 13th International Materials Education Symposium

2020

• Conference lecture
  Lilletvedt, Roald; Vad, Olav Johansen; Syvertsen, Hilde Marie Tollefsrud; Staven, Inga Lein; Nesse, Kristian Nedrebø. (2020) Degradering av mikromønster på bruddflater, som følge av korrosjon. Nasjonal konferanse for materialteknologi
• Conference lecture
  Lilletvedt, Roald; Brurok, Rune Botnmark; Kirkbakk, Kjell Martin; Skrøvseth, Magnar. (2020) Corrosion of welded, lean duplex in nitric acid production. Nasjonal konferanse for materialteknologi

2019

• Conference lecture
  Lilletvedt, Roald. (2019) Combining problem-based learning and laboratory testing, seemed like a good idea. 11th International Materials Education Symposium

2018

• Conference poster
  Lilletvedt, Roald. (2018) Problem-based learning in corrosion with laboratory testing of solutions. 11th International Materials Education Symposium

2010

• Conference poster
  Lilletvedt, Roald. (2010) Extrusion and heat treatment of aluminium profiles. Alunord Intensive Course. Environmental Production of Aluminium
• Conference poster
  Lilletvedt, Roald. (2010) Resirkulert aluminium like god som ny?. AFT - FoU fagdag

2008

• Conference poster
  Lilletvedt, Roald. (2008) Korrosjonsutfordringer i marine miljø. Workshop alubåt
• Conference poster
  Lilletvedt, Roald. (2008) Hva kan HiST tilby industrisektor olje og gass?. Sertifisering av driftsinspktører