MOČILNIK, Vinko ;GUBELJAK, Nenad ;PREDAN, Jožef . Effect of Presetting and Deep Rolling on Creep of Torsion Bars. Articles in Press, [S.l.], v. 0, n.0, p. , july 2025. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/article/effect-of-presetting-and-deep-rolling-on-creep-of-torsion-bars/>. Date accessed: 11 sep. 2025. doi:http://dx.doi.org/.
Močilnik, V., Gubeljak, N., & Predan, J. (0). Effect of Presetting and Deep Rolling on Creep of Torsion Bars. Articles in Press, 0(0), . doi:http://dx.doi.org/
@article{., author = {Vinko Močilnik and Nenad Gubeljak and Jožef Predan}, title = {Effect of Presetting and Deep Rolling on Creep of Torsion Bars}, journal = {Articles in Press}, volume = {0}, number = {0}, year = {0}, keywords = {}, abstract = {This study explores the creep behaviour of torsion bars by combining experimental testing with numerical modelling. Experimental investigations were conducted on torsion specimens subjected to varying presetting levels and surface treatments via deep rolling, revealing distinct effects on stress relaxation under a constant twist angle. Finite Element Method (FEM) simulations, incorporating in elasto-viscoplastic material behavior, successfully reproduced the time-dependent deformation observed experimentally. The material parameters for the FEM model were derived from experimental data. The findings demonstrate that a two-stage presetting procedure, combined with intermediate deep rolling, induces higher compressive residual stresses in the surface layers compared to a single-stage presetting process. While this method aims to mitigate creep under constant loading conditions, its effectiveness is limited. The reduction in creep strains is observed only up to a presetting level of approximately 4.3%; beyond this threshold, the creep strains increase significantly.}, issn = {0039-2480}, pages = {}, doi = {}, url = {https://www.sv-jme.eu/article/effect-of-presetting-and-deep-rolling-on-creep-of-torsion-bars/} }
Močilnik, V.,Gubeljak, N.,Predan, J. 0 July 0. Effect of Presetting and Deep Rolling on Creep of Torsion Bars. Articles in Press. [Online] 0:0
%A Močilnik, Vinko %A Gubeljak, Nenad %A Predan, Jožef %D 0 %T Effect of Presetting and Deep Rolling on Creep of Torsion Bars %B 0 %9 %! Effect of Presetting and Deep Rolling on Creep of Torsion Bars %K %X This study explores the creep behaviour of torsion bars by combining experimental testing with numerical modelling. Experimental investigations were conducted on torsion specimens subjected to varying presetting levels and surface treatments via deep rolling, revealing distinct effects on stress relaxation under a constant twist angle. Finite Element Method (FEM) simulations, incorporating in elasto-viscoplastic material behavior, successfully reproduced the time-dependent deformation observed experimentally. The material parameters for the FEM model were derived from experimental data. The findings demonstrate that a two-stage presetting procedure, combined with intermediate deep rolling, induces higher compressive residual stresses in the surface layers compared to a single-stage presetting process. While this method aims to mitigate creep under constant loading conditions, its effectiveness is limited. The reduction in creep strains is observed only up to a presetting level of approximately 4.3%; beyond this threshold, the creep strains increase significantly. %U https://www.sv-jme.eu/article/effect-of-presetting-and-deep-rolling-on-creep-of-torsion-bars/ %0 Journal Article %R %& %P 1 %J Articles in Press %V 0 %N 0 %@ 0039-2480 %8 2025-07-09 %7 2025-07-09
Močilnik, Vinko, Nenad Gubeljak, & Jožef Predan. "Effect of Presetting and Deep Rolling on Creep of Torsion Bars." Articles in Press [Online], 0.0 (0): . Web. 11 Sep. 2025
TY - JOUR AU - Močilnik, Vinko AU - Gubeljak, Nenad AU - Predan, Jožef PY - 0 TI - Effect of Presetting and Deep Rolling on Creep of Torsion Bars JF - Articles in Press DO - KW - N2 - This study explores the creep behaviour of torsion bars by combining experimental testing with numerical modelling. Experimental investigations were conducted on torsion specimens subjected to varying presetting levels and surface treatments via deep rolling, revealing distinct effects on stress relaxation under a constant twist angle. Finite Element Method (FEM) simulations, incorporating in elasto-viscoplastic material behavior, successfully reproduced the time-dependent deformation observed experimentally. The material parameters for the FEM model were derived from experimental data. The findings demonstrate that a two-stage presetting procedure, combined with intermediate deep rolling, induces higher compressive residual stresses in the surface layers compared to a single-stage presetting process. While this method aims to mitigate creep under constant loading conditions, its effectiveness is limited. The reduction in creep strains is observed only up to a presetting level of approximately 4.3%; beyond this threshold, the creep strains increase significantly. UR - https://www.sv-jme.eu/article/effect-of-presetting-and-deep-rolling-on-creep-of-torsion-bars/
@article{{}{.}, author = {Močilnik, V., Gubeljak, N., Predan, J.}, title = {Effect of Presetting and Deep Rolling on Creep of Torsion Bars}, journal = {Articles in Press}, volume = {0}, number = {0}, year = {0}, doi = {}, url = {https://www.sv-jme.eu/article/effect-of-presetting-and-deep-rolling-on-creep-of-torsion-bars/} }
TY - JOUR AU - Močilnik, Vinko AU - Gubeljak, Nenad AU - Predan, Jožef PY - 2025/07/09 TI - Effect of Presetting and Deep Rolling on Creep of Torsion Bars JF - Articles in Press; Vol 0, No 0 (0): Articles in Press DO - KW - N2 - This study explores the creep behaviour of torsion bars by combining experimental testing with numerical modelling. Experimental investigations were conducted on torsion specimens subjected to varying presetting levels and surface treatments via deep rolling, revealing distinct effects on stress relaxation under a constant twist angle. Finite Element Method (FEM) simulations, incorporating in elasto-viscoplastic material behavior, successfully reproduced the time-dependent deformation observed experimentally. The material parameters for the FEM model were derived from experimental data. The findings demonstrate that a two-stage presetting procedure, combined with intermediate deep rolling, induces higher compressive residual stresses in the surface layers compared to a single-stage presetting process. While this method aims to mitigate creep under constant loading conditions, its effectiveness is limited. The reduction in creep strains is observed only up to a presetting level of approximately 4.3%; beyond this threshold, the creep strains increase significantly. UR - https://www.sv-jme.eu/article/effect-of-presetting-and-deep-rolling-on-creep-of-torsion-bars/
Močilnik, Vinko, Gubeljak, Nenad, AND Predan, Jožef. "Effect of Presetting and Deep Rolling on Creep of Torsion Bars" Articles in Press [Online], Volume 0 Number 0 (09 July 2025)
Articles in Press
This study explores the creep behaviour of torsion bars by combining experimental testing with numerical modelling. Experimental investigations were conducted on torsion specimens subjected to varying presetting levels and surface treatments via deep rolling, revealing distinct effects on stress relaxation under a constant twist angle. Finite Element Method (FEM) simulations, incorporating in elasto-viscoplastic material behavior, successfully reproduced the time-dependent deformation observed experimentally. The material parameters for the FEM model were derived from experimental data. The findings demonstrate that a two-stage presetting procedure, combined with intermediate deep rolling, induces higher compressive residual stresses in the surface layers compared to a single-stage presetting process. While this method aims to mitigate creep under constant loading conditions, its effectiveness is limited. The reduction in creep strains is observed only up to a presetting level of approximately 4.3%; beyond this threshold, the creep strains increase significantly.