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录图像中的所有连通区域,去除其中的孤立点,处理效果如图15所示. 图15 裂缝填充处理 Fig. 15 Crack filling treatment 2) 提取裂缝骨架.提取裂缝骨架就是对裂缝进行细化操作,不断进行腐蚀的过程,最终将裂缝细化成一条连续宽度为1个像素的线.采用Hilditch算法对裂缝进行细化,对于一条直线,它的骨架就是本身,而对于一个具有宽度的线,它的骨架就是它的中轴线.对于圆......
of Se and phosphidation treatment were simultaneously realized by employing Se- powder and NaH2PO2.H2O as the Se and P resources at 300 °C under Ar environment, respectively. In this process......
Jian-guo. A case study of water inrush incident through fault zone in China and the corresponding treatment measures [J]. Arabian Journal of Geosciences, 2018, 11(14): 381. DOI......
be ignored [6-10]. Additionally, the raise and discussion on the technology of heat drainage consolidation foundation treatment also promotes the study of saturated soil temperature effect by scholars [11, 12......
and corrosion behavior of two Cu-based shape memory alloys after thermomechanical treatment[J]. Transactions of Nonferrous Metals Society of China, 2013, 23(10): 2896-2904. [18] 于 能, 黎沃光, 余业球. 热型连铸超弹性CuAlMn合金的冷加......
Eng and Perform, 2019, 28: 7565-7581. [8] PRASAD K S, PANDA S K, KAR S K, MURTY S V S N, SHARMA S C. Effect of solution treatment on deep drawability of IN718 sheets: Experimental analysis......
International, 2009, 35(4): 1363?1366. [17] PRABHAKARAN K, PAVITHRAN C. Gelcasting of alumina using urea-formaldehyde: I. Preparation of concentrated aqueous slurries by particle treatment......
) alloy continuously transforms into the disordered AuCu (D) alloy by various n(RA-SA) mechanisms and AVA mechanism. The Tj -temperature measured under dynamic heat treatment shows an unexpected......
cracks[J]. Engineering Fracture Mechanics, 2014, 131: 406-418. [15] HENNIG W, FELDMANN G, HAUBOLD T. Shot peening method for aerofoil treatment of blisk assemblies[J]. Procedia Cirp, 2014, 13......
, the treatment of the discontinuity system in numerical analyses can be classified into two categories. In the first category, the discontinuities are described explicitly if the amount of fractures......