1) Surface short cracks
表面小裂纹
2) surface crack
表面裂纹
1.
Preventive to surface crack of MB15 magnesium alloy Φ482 mm ingot;
MB15镁合金Φ482mm铸锭表面裂纹的预防措施
2.
Surface Cracks in TP2 Copper Tube Billets in Horizontal Continuous Casting;
TP2铜管坯水平连铸表面裂纹研究
3.
An Analysis on Surface Cracks Formation of H Beam of Nb-V Microalloying Steel BS55C;
Nb-V微合金化H型钢BS55C表面裂纹成因分析
3) surface flaw
表面裂纹
1.
The surface flaws of different sizes were introduced into SiC/BN laminated ceramics by Vickers indentation method.
采用压痕法在SiC/BN层状陶瓷试样的表面引入不同尺寸的表面裂纹,利用三点弯曲测量含裂纹试样的极限断裂应力,研究了不同尺寸的表面裂纹对层状陶瓷断裂强度的影响;根据压痕载荷-强度实验结果,测定层状陶瓷的阻力曲线,并与单相SiC陶瓷对比。
4) Surface cracks
表面裂纹
1.
Analysis of reasons for surface cracks of 42CrMo spindle;
42CrMo主轴表面裂纹形成原因的分析
2.
The cause of surface cracks of the propylene spherical tank was analyzed comprehensively.
分析了球罐产生表面裂纹的原因 ,选择合适修复方案 ,对该球罐进行了修复。
3.
Surface cracks have a very complicated stress state To give the safety of device with cracks is very difficult by normal method of stress analysis This article makes a crack adjudhement with the code of CVDA-84 to the surface cracks in the balled vessel which was inspected in 199
依据ＣＡＤＡ－８４对云南沾益化肥厂３＃液氨球罐１９９６年５月检验出的表面裂纹作出了缺陷评定
5) surface micro crack
表面微裂纹
1.
The formation mechanism of surface micro cracks of HSLA medium plates rolled from continuously cast slabs was studied by metallographic analysis,scanning electron microscopy and XEDS analysis.
通过金相观察、扫描电镜和XEDS分析,对低合金钢连铸板坯轧制中板出现的表面微裂纹进行研究,发现裂纹附近存在Cu和As元素,裂纹沿晶界延伸,确定钢中的Cu、As和Sn等元素在γ晶界偏聚和选择氧化在钢基体和氧化铁层间形成含Cu、As和Sn的富集相,钢的塑性恶化是导致中板表面微裂纹的主要原因。
2.
The plate samples with surface micro cracks rolled from continuously cast slab were investigated by microscopic examination,and it was found that there were three types of surface micro cracks,then on the corresponding pickled slabs.
对重钢连铸板坯轧制中厚板出现的表面微裂纹进行取样,经低倍检验发现,微裂纹有3种类型;与之对应的连铸板坯酸洗后发现,微裂纹也有3种类型,采用镀层结晶器铜板前以网状裂纹为主,尔后以横裂纹为主;对裂纹量最多的网状裂纹进行高倍和能谱检验,发现网状裂纹主要是铜裂纹。
3.
The cause of surface micro crack formation on rolled products of high Mn & low Ti steel is analyzed in this paper,i.
分析高 Mn 低 Ti 钢轧材表面微裂纹的形成原因,本文认为 Ti 氧化形成的 TiO_2进入保护渣,使保护渣的黏度升高,恶化保护渣的物理性能,连铸坯容易产生皮下夹渣,导致轧材表面形成微裂纹；在生产实践中通过降低保护渣初始黏度,降低保护渣中 Fe_2O_3含量,解决了高 Mn 低 Ti 钢轧材表面微裂纹问题。
6) surface transverse crack
表面横裂纹
1.
The surface transverse cracks on AISI304 strip produced by twin-roll strip casting were studied using optical microscopic observation and colored metallographic analysis,with consideration of the near rapid solidification characteristics of strip casting.
采用化学侵蚀和彩色金相等手段,对双辊薄带连铸304不锈钢铸带表面横裂纹的成因进行了研究,并结合双辊薄带连铸亚快速凝固的特点,对薄带表面横裂纹形成的原因进行了综合分析后认为,铸带表面横裂纹均为凝固时产生的高温热裂纹,熔池的液面波动、冷钢和铸辊的表面缺陷等因素导致的铸带表层凝固速度不一致是产生表面横裂纹的根本原因,而在随后的冷却和卷曲过程中,铸带受到各种形式的拉应力则是表面横裂纹得以扩展和加深的主要原因。
2.
The strengthening mechanism of low-alloy high strength steel and the cause of slab surface transverse crack formation were analyzed,the reasonable measures were adopted and AH60 quality slabs were produced,and afterwards AH60 plate was produced successfully.
分析了板坯表面横裂纹产生的原因及低合金高强度钢的强化机理,采用合理的工艺优化措施生产出无缺陷铸坯,特别是在控轧控冷前提下,利用细晶强化和相变强化,并结合缓冷工艺实现微合金的后期析出强化,成功开发出AH60微合金高强度钢板,达到设计强度要求。
3.
With the actual production,generated reason of surface transverse crack,slit and argon blister of wide slab have been analyzed.
结合实际生产,对宽厚板坯表面横裂纹、纵裂纹、氩气泡疤产生的原因进行了机理性分析。
补充资料：表面裂纹
分子式：
CAS号：
性质：指暴露在容器或构件表面的裂纹，通常以半椭圆形为代表，其中长轴表示裂纹长度，半短轴代表裂纹深度。
CAS号：
性质：指暴露在容器或构件表面的裂纹，通常以半椭圆形为代表，其中长轴表示裂纹长度，半短轴代表裂纹深度。
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