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- Abstract： The pattern of a brittle fracture surface of FEP copolymer is confirmed as fracture curve and the center of each curve is a flaw. 摘要： 用金相显微镜等方法确认了国产FEP树脂的脆性断裂图案是断裂曲线,曲线中心为弱点。
- The results showed that the dispersed phase of PA6/ABS simple crossblend system congregated easily, the fracture surface exhibited rock sandwich, it was typical appearance of brittle fracture. 结果表明,PA6和ABS的简单共混体系的分散相容易聚集,断裂面呈岩石层状的脆性断裂形貌。
- STUDY ON THE MORPHOLOGICAL STRUCTURE OF NYLON BY THE REPLICA METHOD OF BRITTLE FRACTURE SURFACE 用脆断面复型法研究尼龙的聚集态结构
- It is brittle and breaks with a conchoidal fracture surface. 性脆，具贝壳状断口。
- brittle fracture surface 脆性断裂面
- Crazing is the invariable precursor of brittle fracture. 出现小裂纹必然是脆性断裂的前兆。
- The results show that 82B wire rod brittle fracture is mainly caused by excessive inclusion,reticulate carbide,lower sorbite in the microstructure,and surface defect of wire rod. 结果表明,82B钢盘条脆断的主要原因是夹杂物级别超标、组织中出现网状碳化物、索氏体含量偏低以及盘条表面缺陷等。
- The cause of brittle fracture on power hacksaw blades-blank were analyzed. 检验分析了机用锯条坯脆断的原因。
- The raw hot rolling stick has plastic dimple fracture surface and aging-treated specimens have plastic and brittle mixed fracture surface but brittle is main. 热轧态拉伸试样断口呈韧窝状塑性断口,时效后拉伸试样断口为以脆性为主的韧脆混合断口。
- The micro-morphology of the fracture surface appears to be the inter-granular brittle before sodium corrosion for the rotary swaging and polishing W-specimens. 经高温钠腐蚀后,旋锻钨试样的晶粒长大,断裂应力和显微硬度显著降低;高温钠腐蚀对抛光钨试样的断裂应力和显微硬度似乎无明显影响。
- It is shown that the fracture surface characterized with cowrie pattern lines and the microstructure being fatigue striation, which indicated the fracture of the bolt is brittle. 采用断口分析、金相检验和硬度测定等方法,对断裂螺栓进行了分析。
- The results show that 82B wire rod brittle fracture is mainly caused by excessive inclusion, reticulate carbide, lower sorbite in the microstructure, and surface defect of wire rod. 结果表明，82B钢盘条脆断的主要原因是夹杂物级别超标、组织中出现网状破化物、索氏体含量偏低以及盘条表面缺陷等。
- The ripple damage on the K9 glass surface could be obviously observed, and the failure surface can be devided into three parts: ablation zone, microcrack zone and brittle fracture zone. 随着激光脉冲个数的增加，损伤由点状破坏演变为损伤区，微裂纹逐渐增长，损伤面积逐渐增大。
- from the results of impact strength and morphpolgy of the brittle fractured surface ,it is noticed that the effects of the two different blending methods on PP/EPT and PP/1,2-PB are different ,i. e. , for PP/EPT blends . 从抗冲击强度和脆断面形态看不同共混方法对PP/EPT和PP/1,2-PB二种共混体系的效果是不同的,即对PP/EPT体系,以R共混优于M共混,而对PP/1,2-PB体系,则几乎没有差别。
- Choice of steel types for the metallic construction and boiler making for brittle fracture hazard prevention. 防止脆性断裂危险用金属结构钢和锅炉制造用钢的类型选择。
- The brittle fracture of steel columns and the damage to column bases were found in Kobe Earthquake. 在阪神地震中还发生了钢柱的脆断和柱脚的破坏。
- The fractography showed brittle fracture in high SiC layer and dimple fracture in the matrix of low SiC layer. 第5章研究了多层梯度复合材料的疲劳裂纹扩展行为。 研究表明，当疲劳裂纹从低SIC层向高SIC层扩展时，在相邻两层过渡区会发生裂纹扩展延滞。
- The failure of the driving shaft in a hoister is caused by typical brittle fracture under low stress. 卷扬机传动轴的断裂为典型的低应力脆断事故，主要原因是传动轴的组织疏松、晶粒粗大、。
- The bracket of as-cast ferritic nodular iron breaks due to brittle fracture when it is assembled. 摘要铁素体球铁铸件支架在装配时发生脆性断裂失效。
- Hoststructures are usually ductile shearzones or schistosity zones in brittle fracture zones. 金矿床为少硫化物石英脉型。
