Zobrazeno 1 - 10
of 5 042
pro vyhledávání: '"Fracture (geology)"'
Autor:
Chongze Hu, Jian Luo, Zhiyang Yu, Hongbo Nie, Congying Xiang, Huasheng Lei, Jiong Zhao, Lok Wing Wong, Min Shen
Publikováno v:
Journal of Materials Science & Technology. 110:103-108
An in situ mechanical test was performed on a V-doped WC Co specimen in a transmission electron microscope (TEM) to understand the crack propagation dynamics. The fracture occurs along a WC Co interface. Aberration-corrected high-angle annular dark-f
Autor:
Huiying Wang, Zeyu Bian, T.T. Sun, Han Chen, Y. J. Wu, Zuojia Chen, H. Ding, Q. Lian, Yinglin Xiao, Qing Yang
Publikováno v:
Journal of Materials Science & Technology. 109:254-266
In the metallic components fabricated by the emerging selective laser melting (SLM) technology, most strategies used for strengthening the materials sacrifice the ductility, leading to the so-called strength-ductility trade-off. In the present study,
Publikováno v:
Journal of Materials Science & Technology. 105:242-258
Tungsten as a material exhibits broad and increasingly important applications; however, the characterization of its ductile-to-brittle transition (BDT) is currently limited to large-scale scenarios and destructive testing. In this study, we overcome
Publikováno v:
Journal of the European Ceramic Society. 42:1208-1218
Monotonic tensile and fatigue tests of a SiC/SiC composites were conducted at 1300 °C in the full stress range. The macroscopic behaviors were studied based on the strain data. The mesoscopic morphology was observed by X-ray computed tomography, and
Autor:
Subhashree Leelavinodhan, Cantalapiedra Mauricio, Yelisetti Lakshmi Jyothi, Karthikeyan Ramachandran, Christian Antao, Doni Daniel Jayaseelan, Antony Copti
Publikováno v:
Journal of the European Ceramic Society. 42:1626-1634
The failure mechanisms of Oxide-Oxide ceramic matrix composites AS-N610 were studied at both room temperature and high temperature using tensile and fatigue tests with and without lateral and laminar notches. The unnotched coupons had an average tens
Publikováno v:
Journal of the European Ceramic Society. 42:775-785
The material behavior of Polymer Infiltration and Pyrolysis based SiC/SiCN composites is studied and the characteristic thermal and mechanical properties in on- (0/90 °) and off-axis (±45 °) direction are summarized. The tensile properties are det
Autor:
Zhiqiang Zhao, Jiwei Zhou, Liyuan Zhang, Shuhan Zhao, Renhong Yu, Xiaohui Zhang, Liping Pan, Pengcheng Liu, Guangxin Li
Publikováno v:
Ceramics International. 48:6148-6156
The elucidation of fracture mechanisms is helpful for the optimization and design of toughness and microstructure of refractories. Fracture behavior of ultra-low cement bonded Al2O3–SiO2 castables was researched using the wedge splitting test coupl
Publikováno v:
Ceramics International. 48:6574-6590
Results from fatigue experiments done on a SiC/SiC composite are presented. A micromechanics-based model is used to study the observed behavior under cyclic loading. The model includes consideration of progressive damage, creep and oxidation of the f
Publikováno v:
Ceramics International. 48:7159-7167
ZrO2-doped YTaO4 ceramics with different ZrO2 contents (Y1-xTa1-xZr2xO4 ceramics, 2x = 0, 0.1, 0.15, 0.2) are prepared by a solid-state reaction method. The high-temperature mechanical properties are determined by an in situ high-temperature three-po
Publikováno v:
Journal of Materials Science & Technology. 99:28-38
The lamellar structure has an important impact on the mechanical properties of dissimilar laminated metal composites (LMCs), including the thickness ratio of dissimilar metal constituent layers and the number of layers. AA1100 and AA7075 with thickne