Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Birger Karlsson"'
Publikováno v:
Journal of Materials Research and Technology, Vol 4, Iss 1, Pp 68-74 (2015)
This study deals with the mechanical behavior of DP steel. A commercial dual phase steel (DP 800) was strained to 3.5% followed by annealing at 180 °C for 30 min to simulate the pressing of the plates and the paint-bake cycle involved in the manufac
Externí odkaz:
https://doaj.org/article/fdfebe7b4b284be28d7e0f044f0081ff
Publikováno v:
Materials Science and Engineering: A. 636:124-132
The effect of temperature and strain rate on the mechanical behavior of a commercial dual phase steel (DP 800) has been investigated experimentally by uniaxial tensile tests in this study, covering temperatures (−60 °C to 100 °C) and strain rates
Publikováno v:
Journal of Materials Research and Technology, Vol 4, Iss 1, Pp 68-74 (2015)
This study deals with the mechanical behavior of DP steel. A commercial dual phase steel (DP 800) was strained to 3.5% followed by annealing at 180 °C for 30 min to simulate the pressing of the plates and the paint-bake cycle involved in the manufac
Publikováno v:
Materials Science and Engineering: A. 561:321-328
The process of tempering a martensitic medium carbon steel was investigated with the aim to study resulting material properties. The experimental results were used to model residual stresses caused by local heating, with the finite element method. Te
Autor:
Birger Karlsson, Kamellia Dalaei
Publikováno v:
International Journal of Fatigue. 38:75-83
The influence of shot peening on the fatigue durability of normalized carbon steels subjected to variable amplitude loading has been investigated. The relaxation of residual stresses was recorded during the fatigue life time. Strain amplitude spectra
Autor:
Kamellia Dalaei, Birger Karlsson
Publikováno v:
Materials Science and Engineering: A. 528:7323-7330
The present investigation deals with the effect of overloads on the stress relaxation and fatigue life time of shot-peened near-pearlitic steels. Single cycles with a total strain amplitude of 0.6 % with start in tension or compression were exerted e
Publikováno v:
Wear. 271:382-387
The development of railway wheel steel grades has gone towards higher strength to enhance rolling contact fatigue resistance and ability to withstand thermally induced damage throughout the service lifetime. In this study a recently developed wheel s
Publikováno v:
Materials Science and Technology. 27:648-654
With the aim to predict the durability of railway wheels, thermomechanical damage was studied for two steels with different alloying levels of silicon and manganese in the temperature range of 500–725uC. Softening caused by cementite spheroidisatio
Autor:
Cornelius Temmel, Birger Karlsson
Publikováno v:
HTM Journal of Heat Treatment and Materials. 66:24-29
The bending fatigue strength of case-hardened pulsator test gear wheels has been investigated for wheels in fatigue isotropic 20NiMo10 (Ovako 158Q) steel. The pulsator gears where either in un-peened (but shot-cleaned), single shotpeened or double sh
Publikováno v:
Materials Science and Engineering: A. 528:1008-1015
Mechanical surface treatment methods such as shot peening may improve the fatigue strength of materials. In this study, the effect of shot peening on strain controlled constant amplitude fatigue lo ...