1) map cracking
龟裂;网状裂缝;网状裂纹
2) honeycomb cracks
龟裂;网状裂缝
4) network cracks
网状裂纹
1.
The results of microscope,SEM,TEM and EDS revealed that the particles precipitated in the pre- austenite grain boundaries will result in network cracks under sufficient stress such as thermal stress,bending and straightening stress due to uneven cooling of strand surface.
采用金相显微镜、SEM、TEM和EDS等方法,分析了因连铸板坯表面冷却不均匀引起γ→α反复相变导致碳氮化物在晶界析出,并在外力(热应力、弯曲矫直应力等)作用下产生沿晶界开裂的网状裂纹的形成机理,以及钢中[C]、Mn/S、[Al]、[V]、连铸冷却强度等对连铸板坯网状裂纹的形成和扩展的影响。
2.
For the surface network cracks in 200mm thickness slabs for pipeline and veicle frame,it is found that the carbon content,Mn/S ratio and Al,Ti,V,Nb alloy additions and continuous caster conditions are attributa- ble to the formation and propagation of surface and subsurface network cracks.
统计分析了攀钢所产管线钢、梁板钢等200mm×1300mm连铸坯表层网状裂纹的影响因素;发现钢中碳、锰硫比、合金元素(Al,Ti,V)、连铸机设备和浇注状况对其形成和扩展都有重要影响。
3.
For the surface network cracks in 200mm thickness slabs for pipeline and vehicle frame, it is found that the carbon content,Mn/S ratio and Al,Ti,V,Nb alloy additions and continuous caster conditions are attributable to the formation and propagation of surface and subsurface network cracks.
针对攀钢生产的管线钢、梁板钢等200×1300mm~2连铸坯表层出现网状裂纹,对其影响因素进行统计分析,发现钢中C、Mn/S 比和 Al、Ti、V、Nb 等合金元素及连铸机设备和浇注状况对连铸坯表层网状裂纹的形成和扩展都有重要影响。
5) net type welding crack
网状焊接裂纹
1.
Combining with an example, the analysis of net type welding crack occurred during drum automatic weld is done in this article and the method how to prevent cracks and how to give a supplementary weld are introduced.
结合实例 ,分析了锅筒制造过程中常见的自动焊网状焊接裂纹产生的原因 ,并且提出了相应的预防和补焊方
6) surface checking
表面起网状裂纹
补充资料:龟裂
分子式:
CAS号:
性质:又称龟裂。皮肤、土壤及材料等产生的小裂纹现象。在电池工业铅酸蓄电池的极板,特别是负极板在化成后由于活性物质的体积变化而出现的小裂纹。严重的皲裂导致极板强度和电性能降低,甚至出现活性物质从板栅上脱落的现象。在负极材料中加入添加剂如木素、硫酸钡、松香等的目的是改善负极的电性能,但也减少了皲裂。负极中氧化铅(PbO)在化成过程中变为铅(Pb),它占据的体积要收缩25%,所以固相所占体积会相应减少,同时孔的体积增加。轻微的皲裂并不影响极板的强度和电性能。
CAS号:
性质:又称龟裂。皮肤、土壤及材料等产生的小裂纹现象。在电池工业铅酸蓄电池的极板,特别是负极板在化成后由于活性物质的体积变化而出现的小裂纹。严重的皲裂导致极板强度和电性能降低,甚至出现活性物质从板栅上脱落的现象。在负极材料中加入添加剂如木素、硫酸钡、松香等的目的是改善负极的电性能,但也减少了皲裂。负极中氧化铅(PbO)在化成过程中变为铅(Pb),它占据的体积要收缩25%,所以固相所占体积会相应减少,同时孔的体积增加。轻微的皲裂并不影响极板的强度和电性能。
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