发纹

GB/T10121-1988钢材塔形发纹磁粉检验方法

Steel products & Method for magnetic particle inspection of tower sample

无发纹合金结构钢的研制

Research and production of Stringer Free Structural Alloy Steel

45钢驱动轴发纹的分析

Analysis on hair lines of 45 steel driving axle

不锈钢发纹的研究与对策

Study and Countermeasures of Hair-Lines of Stainless Steel

门体、洞口门套、动力梁罩均为不锈钢发纹板。

Door , cave Mentao , dynamic beam enclosures are made of stainless steel plate .

20钢水平连铸圆管坯轧制的钢管内部发纹研究

Research of the inner capillary crack of 20 steel tube rolled by horizontal continuous casting round billet

牵引电机转轴发纹磁粉探伤结果的统计分析

Statistic analysis of the results of magnetic particle detection of the tiny cracks in traction motor shafts

提出适当控制钢中的残铝量可降低钢坯表面发纹的形成。

It is then suggested that the amount of the residual aluminum be properly controlled , so as to reduce the formation of crack .

结果表明，发纹缺陷是由方坯表面气孔经高温加热→轧制演变成的。

The results show that the fine cracks are evolved from surface gas holes of steel billet in the process of high temperature heating and rolling .

借助磁力探伤与显微观察等方法，对发纹的形貌和氧化物进行分析。找出钢坯表面发纹形成的原因，揭示钢坯表面发纹生成与钢中残铝量的关系；

The mechanism by which the cracks were produced was elucidated , and the relation of the formation of the cracks with residual aluminum present in the steel determined .

搪玻璃设备在搪烧升温过程中应注意解决发纹、气泡、暗泡等工艺缺陷，因为这些缺陷对搪玻璃设备的性能有十分重要的影响。

Process defects such as hair lines , bubble , hidden bubble and so on must be avoided for glass lined equipment during raising temperature , because these defects sharply affect properties of glass lined equipment .

分析结果表明：发纹缺陷是由方坯表面气孔经高温加热-轧制演变成的，掉肉和小裂口则是因重轨踏面局部融熔所造成的。

The results showed that capillary crack was formed from the surface cavity of billet in the process of high temperature heating-rolling and cavity and sliver defects were formed due to part melting of seating face of heavy rail .