1) surface carbonation
表层碳化
1.
The surface carbonation depth has increased,the cracks in the dam body have increased or extended and the strength of the face slab has intensively decreased.
古田溪三级钢筋混凝土平板支墩坝,建成蓄水至今已40多年,随着岁月的流逝,坝基帷幕防渗能力逐渐衰减,迎水面遭受到严重风化侵蚀,面板渗漏溶蚀不断加剧,表层碳化深度日益累进,坝体裂缝增生或扩展,面板强度大幅度降低。
2) carbonation front of concrete
混凝土碳化表层
3) superficial decarbonization
表层脱碳
1.
The results indicate that superstandard inclusion of material,which leads to primary microcrack at moveing round confectioning,is the principal reason of the crack under 100KN force,superficial decarbonization at heat-treating decreases the admission compression force of crack.
结果表明:原材料内部夹杂物超标是导致产品在绕弯成形时产生初生裂纹,并在热处理后于规定100kN压力试验时产生开裂的主要原因,热处理过程中产生的表层脱碳降低了产品产生开裂的允许压力。
4) metallic carbide alloying layer
表面金属碳化物合金层
5) surface carbonization
表面碳化
1.
The paper surveys a great deal of old concrete buildings which were built eighty years ago,measures the rebound value of old concrete components that bear differ stress,and designs a simulated experiment on aging concrete components,in order to analyze the cause of surface carbonization of old concrete.
对多栋在役80年的混凝土建筑进行调查,检测了不同受力状态下的高龄混凝土构件的表面回弹值,并设计了一组混凝土构件老化室内模拟实验,用以分析高龄混凝土结构表面碳化发展机理。
2.
Key elements have been presented including the investigation and analysis of resilience number of the old concrete and surface carbonization depth,the experimental contrast between th.
因高龄混凝土表面碳化,破坏了钢筋周围的钝化膜以及碳化层(CaCO3),随时间推移逐渐由脆性转为塑性,塑性裂纹扩展导致钢筋锈蚀,从而使得混凝土结构承载能力降低。
3.
Based on that surface carbonization destroys passivation menbrane and the concrete s carbonizated layer(CaCO3) transfers from brittleness to plasticity gradually,the spreading of plastic crack causes corrosion of the steel bar,thus reduces bearing capacity of the concrete structure.
基于混凝土表面碳化破坏了钢筋周围的钝化膜以及碳化层(CaCO3)随时间推移逐渐由脆性转为塑性,塑性裂纹扩展导致钢筋锈蚀,从而使得混凝土结构承载能力降低。
6) surface micro-carburizing
表层微渗碳
补充资料：碳化硅晶须补强碳化硅陶瓷基复合材料
分子式：
CAS号：
性质：以碳化硅陶瓷为基和以碳化硅晶须为增强剂的新型陶瓷材料。通过晶须的载荷转移、拔出及裂纹偏转作用，获得比普通碳化硅更高的强度和韧性。使用温度达1400℃。是一种重要的高温结构陶瓷。用于燃气轮机叶片等高温部件和耐磨件制造。采用原位生长工艺和烧结工艺制取。
CAS号：
性质：以碳化硅陶瓷为基和以碳化硅晶须为增强剂的新型陶瓷材料。通过晶须的载荷转移、拔出及裂纹偏转作用，获得比普通碳化硅更高的强度和韧性。使用温度达1400℃。是一种重要的高温结构陶瓷。用于燃气轮机叶片等高温部件和耐磨件制造。采用原位生长工艺和烧结工艺制取。
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