Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Fracture (geology)"'
Autor:
Toshihiro Yamamoto, Hidetoshi Takeda
Publikováno v:
Journal of the Society of Materials Science, Japan. 60:313-317
The effects of environmental temperature on the tensile strength and fracture behavior of notched plates made from virgin material and recycled material were investigated. The virgin material was a short-glass-fiber-reinforced polypropylene (GFPP). G
Publikováno v:
Journal of the Society of Materials Science, Japan. 60:1072-1078
To determine the influential factors on the formation of initial crack propagation region in the very high cycle fatigue (VHCF), uniaxial fatigue tests and K-decreasing tests were conducted with Ti-6Al-4V alloy. The test data indicated that the crack
Publikováno v:
Journal of the Society of Materials Science, Japan. 60:811-816
Fatigue fracture occurs frequently in very high cycle regime for surface strengthened steels. In this case, fatigue cracks initiate from defects such as non-metallic inclusions existing at the interior of specimens and then the cracks grow to become
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:703-708
A fatigue testing machine for thin sheet specimens was developed to clarify the crystallographic orientation dependence on fatigue fracture behavior in magnesium single crystals. The size of the thin sheet specimen was 3mm in width and 0.3mm in thick
Autor:
Atsushi Sugeta, Ryota Tanegashima, Masahiko Kato, Tetsuya Shirosaka, Kohji Minoshima, Hiroyuki Akebono
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:853-859
In this study, fatigue properties of PM (Powder Metallurgy) soft magnetic materials were investigated by observation of the small fatigue crack propagation. The materials to which binder resin were added (Material BA) and three kinds of materials wit
Autor:
Wada Takuma, Yoichi Tamiya
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:311-316
Fatigue crack initiation life (FCI life) of stress concentration can be predicted according to compare between elastic-plastic strain at there and total strain-fatigue life curve (Δet-Nf curve) of smooth specimen. Elastic-plastic strain is estimated
Autor:
Tomonaga Okabe, Koji Yamashita
Publikováno v:
Journal of the Society of Materials Science, Japan. 57:448-453
In order to improve the fracture strain of fiber reinforced ceramic composites, it is necessary to understand how the fiber/matrix interface affects the fracture strain of the composite. Therefore, in this paper, FEM simulation using a cohesive zone
Publikováno v:
Journal of the Society of Materials Science, Japan. 57:725-731
This paper discusses the fracture criteria for predicting the strength of unidirectional discontinuous glass fiber reinforced composites with side-notches. The point stress criterion (PSC) for notched composites was employed so that the Tsai-Hill cri
Autor:
Yoshikazu Nakai, Makoto Seki
Publikováno v:
Journal of the Society of Materials Science, Japan. 56:229-235
Fatigue crack propagation tests of bulk metallic glass, Zr55Cu30Ni5Al10, were conducted with C (T) specimens. Tests were conducted at a stress ratio of 0.1 or 0.5 under the loading frequency of 20 or 1.0Hz. The fatigue crack propagation rate was cont
Publikováno v:
Journal of the Society of Materials Science, Japan. 56:1103-1110
Axial-reversed loading fatigue tests under three applied stress ratios of –1, 0 and 0.5 were carried out in air at room temperature using hour-glass shaped specimen of high carbon-chromium bearing steel, JIS SUJ2, to investigate fatigue fracture ch