default author photo

Roy Johnsen

Norwegian University of Science and Technology (NTNU)

SCHOLARLY PAPERS

3

DOWNLOADS

123

TOTAL CITATIONS

0

Scholarly Papers (3)

Actions:
Email selected abstracts
1.

Hydrogen Diffusion and Trapping in Nickel-Based Alloy 625: An Electrochemical Permeation Study

Number of pages: 26 Posted: 14 Apr 2022
Xu Lu, Dong Wang and Roy Johnsen
affiliation not provided to SSRN, affiliation not provided to SSRN and Norwegian University of Science and Technology (NTNU)
Downloads 56 (1,000,027)

Abstract:

Loading...

Nickel-based Alloy 625, Hydrogen, Diffusion, trapping, hydrogen fugacity

2.

Evaluation of Microstructural and Environmental Effects on the Hydrogen Uptake and Desorption in High-Strength Carbon Steels: A Thermal Desorption Spectroscopy Study

Number of pages: 18 Posted: 19 Feb 2023
Shabnam Karimi, Iman Taji, Simona Palencsar, Arne Dugstad, Tarlan Hajilou, Afrooz Barnoush, Kim Verbeken, Roy Johnsen and Tom Depover
Norwegian University of Science and Technology (NTNU), Norwegian University of Science and Technology (NTNU), Institute for Energy Technology, Institute for Energy Technology, Norwegian University of Science and Technology (NTNU), Norwegian University of Science and Technology (NTNU) - Department of Mechanical and Industrial Engineering, Ghent University, Norwegian University of Science and Technology (NTNU) and Ghent University
Downloads 44 (1,145,425)

Abstract:

Loading...

Thermal Desorption Spectroscopy, Carbon steel, CO2 environment, CO2/H2S environment, pearlite, spheroidite

3.

Effect of hydrogen on room temperature creep response in as-built and machined electron beam powder bed fusion Ti-6Al-4V

Number of pages: 49 Posted: 26 May 2026
Paula Endrös, Nima Razavi, Roy Johnsen and Xu Lu
affiliation not provided to SSRN, Norwegian University of Science and Technology (NTNU), Norwegian University of Science and Technology (NTNU) and affiliation not provided to SSRN
Downloads 23 (1,509,872)

Abstract:

Loading...

Ti−6Al−4V, sustained loading, defects, room temperature creep