3) Fractal texture Synthesis
分形纹理合成
4) crack initiation
裂纹形成
1.
The U-notch specimens were used to investigate the fatigue crack initiation life of X60 pipeline steel after pre-tension straining with ductile deformation of 5%,10% and 15%.
采用U型缺口试样研究了X60管线钢经5%、10%和15%的预拉伸应变后的疲劳裂纹形成寿命。
2.
The process of crack initiation and propagation was observed through replication,and the effect of grain size on the behaviour of short fatigue cracks was studied.
对两种晶粒尺寸的中碳钢光滑试样进行了旋转弯曲疲劳试验；应用复型技术监测了短裂纹形成与扩展过程，研究了晶粒尺寸对短裂纹行为的影响。
3.
The thermal fatigue crack initiation and propagation characteristics of Al-Matrix Composites Vol.
在室温25℃~360℃自约束型热循环条件下,研究SiC增强颗粒体积分数为20%的铝基复合材料SiCp/A356的热疲劳裂纹形成与扩展特性,并且探讨了复合材料热疲劳裂纹的形成机制和扩展过程。
5) crack formation
裂纹形成
1.
A stress field intensity function, which reflects effect of the equivalent stress at perilous point and that of the stresses and its gradient within the damage area on crack formation, is presented.
以应力场强法为基础，研究非对称缺口构件的裂纹形成部位和寿命，提出了应力场强函数σＦＤ，σＦＤ该函数既考虑了危险部位处的应力值，又考虑了其附近损伤区的应力和应力梯度对裂纹形成的贡献。
2.
This paper presents the extensive experimental research on the sensitive influencing factors for the crack formation during high power laser cladding of NiCrSiB alloy by powder feeding.
用 4 5k W高功率激光器对 Ni Cr Si B合金在送粉激光熔覆下裂纹形成的材料成分、熔覆工艺、微观组织等因素进行研究。
6) Formation of stripes
花纹形成
补充资料：肺纹理
肺纹理
由肺动脉和肺静脉组成，支气管壁、淋巴和少量间质组织也参与肺纹理形成。正常情况下肺纹理自肺门向外围肺野逐渐减少变淡，管径依次缩小，分布渐次稀疏，至肺外带不易辨清。肺纹理多少、粗细与个体差异、呼吸状态有关。异常肺纹理阴影结构紊乱、粗细不均、边缘模糊、密度增高。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条