1) Fractography
[fræk'tɔɡrəfi]
断口特征
1.
The fractography of specimens were analyzed by SEM.
结果表明:半固态加工试样300℃以下拉伸,表现出高强度、低塑性特征,400℃以上拉伸两种加工方法的强度和塑性非常接近;半固态高温断口特征表现为韧性断裂,宏观断口存在明显的二次裂纹。
2) Kahn tear fractographs
断口形貌特征
1.
Based on TEM and SEM observation, the effect of secondary ageing on microstructures and Kahn tear fractographs of 7055 Al alloy was investigated.
利用透射电镜和扫描电镜研究了二次时效处理后7055合金显微组织及Kahn撕裂断口形貌特征。
3) fracture characteristic
断裂特征
1.
Tensile behavior and fracture characteristic of hot-rolled ferritic stainless steel plates;
铁素体不锈钢热轧板材的拉伸行为和断裂特征
2.
First,tensile behavior and fracture characteristic of 430,410S and 409L ferrite hot rolled stainless steel plates at room temperature were studied.
首先研究了430、410S和409L热轧板材在室温下的拉伸行为和断裂特征。
6) fracture feature
断裂特征
1.
The effects of magnetic field on the fracture feature and the microstructure of Al-Li alloys containing Ce were investigated.
以含铈铝锂合金为研究对象 ,研究了磁场对含稀土铝锂合金时效过程的影响 ,从断裂特征及微观组织两方面分析了磁场作用规律。
2.
The fracture features are changed and the precipitates are dispersed under the effect of an electric field.
电场作用提高了合金的塑性 ,而合金的强度基本不变 ,并改变了合金的断裂特征 ,以及促进合金析出相的弥散。
3.
Specific emphasis is placed on researching the fracture feature of fatigue crack initiation, short crack growth and stable-loss growth for aluminum-lithium alloy 8090+Ce.
研究了铝锂合金8090+Ce的疲劳寿命和断裂特征,并与2024铝合金相对比。
补充资料:线路板孔破断口的细部特征图解
PTH孔破断口(俗称:包二奶)
蚀刻的斜坡断口
蚀胶过度
玻纤拉扯
钻针挖破孔壁
孔壁粗糙引起孔破
蚀刻的斜坡断口
蚀胶过度
玻纤拉扯
钻针挖破孔壁
孔壁粗糙引起孔破
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