Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Fracture (geology)"'
Effect of Pre-Deformation on Fracture Behavior Transition due to Strain-Rate Change in Fe-5%Si Alloy
Publikováno v:
Journal of the Society of Materials Science, Japan. 63:467-472
Autor:
Masahide Iwamoto, Shinichi Hamaya, Keisuke Takeda, Atsushi Ogura, Ryuichiro Ebara, Hideaki Fujimoto
Publikováno v:
Journal of the Society of Materials Science, Japan. 60:1009-1014
Microfractographic features in fracture surfaces for tensile, fatigue, impact, three point bending specimens of cold forging die steels with Rockwell C scale hardness number of 52 to 68 are presented. The emphasis is placed upon the stretched zone fo
Publikováno v:
Journal of the Society of Materials Science, Japan. 60:457-463
Nylon 6 clay hybrid (NCH) composite consists of nano-sized Montmorillonite and nylon 6 matrix. Tensile tests at near glass transition temperature (35°C, 50°C) were conducted at a strain rate of 10-2s-1. Fatigue tests were performed with a stress ra
Autor:
Kensuke Yoshimura, Tsutomu Ezumi
Publikováno v:
Journal of the Society of Materials Science, Japan. 59:360-366
In recent years, the laminated materials are designed and used widely in aerospace applications, for example. Therefore, it is important to evaluate the fracture characteristic of the laminated materials. In this research, the basic study on damage t
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:1037-1043
Fatigue crack growth characteristics were investigated for sintered and thermal-sprayed tungsten carbide with cobalt (WC-Co) cermets. Acoustic emission (AE) techniques were applied to study the crack growth mechanism. The materials used were two type
Autor:
Susumu Miyakawa, Koji Yamada
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:990-996
The mechanism of internal casting defect-originating fracture of aluminum alloy die-casting in the ultra-high cycle regime was studied from the observation of fracture surface and cross section perpendicular to fracture surface. The main results were
Publikováno v:
Journal of the Society of Materials Science, Japan. 57:1205-1211
Fiber/matrix interfacial crack propagation behavior was investigated by using a model composite specimen. The model composite specimen used in the present study consists of two fibers bonded by matrix resin, and an interfacial crack can propagate wit
Autor:
Takuji Kawamura, Hiroshi Yoshihara
Publikováno v:
Journal of the Society of Materials Science, Japan. 56:311-315
In this work, we examined the validity of four methods for measuring the mode I fracture toughness of wood; double cantilever beam (DCB), compact tension (CT), single edge notched tension (SENT), and single edge notched bending (SENB) tests, which ha
Publikováno v:
Journal of the Society of Materials Science, Japan. 56:1016-1021
In this paper, fracture mechanisms under monotonic and cyclic load and its stress distribution of an aluminum cast alloy locally reinforced by SiC particles and Al2O3 whiskers are investigated experimentally and numerically. The material is monotonic
Autor:
Kazushi Sato, Toshiyuki Hashida
Publikováno v:
Journal of the Society of Materials Science, Japan. 55:1067-1072
Linear elastic fracture mechanics (LEFM) parameter, such as mode I stress intensity factor required to crack propagation for rock under confining pressure is analyzed based on a cohesive crack model. In rocks, the LEFM parameter varies with the confi