Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Yasuhito Takashima"'
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 33, Iss 1, Pp 1-8 (2020)
Abstract Fracture toughness property is of significant importance when evaluating structural safety. The current research of fracture toughness mainly focused on crack in homogeneous material and experimental results. When the crack is located in a w
Externí odkaz:
https://doaj.org/article/521f1f6f464744b68ec5758834a1348f
Publikováno v:
Welding in the World. 64:2075-2082
The brittle fracture driving forces of laser beam welds (LBWs) and arc welds (AWs) are investigated and compared numerically with a center through-thickness cracked panel (CTCP) and a standard fracture toughness specimen (3-point bending specimen, 3P
Publikováno v:
Welding in the World. 64:1185-1193
This paper proposes an estimation method for crack tip opening displacement (CTOD) in laser welds. The theoretical model for CTOD estimation developed by Dugdale and Bilby et al. (DBCS model) was used for laser-welded plates. The yield stress of the
Autor:
Yasuhito Takashima, Fumiyoshi Minami
Publikováno v:
QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 38:103s-107s
Publikováno v:
Welding in the World. 63:1243-1254
The influence of strength mismatch in a dissimilar steel joint on the Charpy absorbed energy was numerically analyzed on the basis of the Beremin model. The toughness correction ratio γCVN was defined as the ratio of the Charpy absorbed energy of a
Publikováno v:
Theoretical and Applied Fracture Mechanics. 101:365-372
Brittle cracks propagate rapidly, and subsequent brittle fractures in large-scale structures result in associated catastrophic damage. Recent studies have reported the generation of numerous micro-cracks during brittle crack propagation of low-carbon
Publikováno v:
Theoretical and Applied Fracture Mechanics. 100:171-180
Brittle fracture in carbon steel has serious impact on the fracture safety of steel structures. Thus, technology that arrests crack propagation is the final defence for these structures. Conditions that can reliably stop crack propagation should be t
Autor:
Fumiyoshi Minami, Yasuhito Takashima
Publikováno v:
Materials Science Forum. 941:280-286
In this study, dynamic temperature field in a dissimilar steel joint specimen was numerically analyzed by means of three-dimensional explicit finite element analysis. Fully coupled thermal stress analysis was performed by using FE-code Abaqus/Explici
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 33, Iss 1, Pp 1-8 (2020)
Fracture toughness property is of significant importance when evaluating structural safety. The current research of fracture toughness mainly focused on crack in homogeneous material and experimental results. When the crack is located in a welded joi
Publikováno v:
Journal of the Society of Materials Science, Japan. 67:977-984