未经扩氢退火的电渣钢大锻件经超声波检验，未发现白点缺陷。
Ultrasonic testing shows on flake defects in theheavy forgings of ESR steel without any diffusion annealing.
研究了车轮钢中白点形成的机理以及白点对断口形貌的影响。
The mechanism of flaking in wheel steel and the effects of flaking on fracture were investigated.
钢中的白点能增加疲劳扩展速率并使扩展速率发生波动。
The flaking do increases and undulates the fatigue crack growth rate.
本文采用慢拉伸和扫描电镜观察，探讨了电站用钢中拉伸白点的形成过程。
The tensile flake of power station steel was investigated by using slow tensile test and scanning electron microscopy.
研究了轮箍钢低倍组织和连铸温度对白点敏感性、断裂韧性的影响。
The effects of the macrostructure of tyre steel and continuous-casting temperature on hydrogen flaking and fracture toughness, K_(IQ), have been investigated.
研究了车轮钢中白点对力学性能的影响。
The effect of flaking on mechanical properties of wheel steel was investigated.
结果表明钢板中心裂纹为白点缺陷，钢中氢含量高是造成钢板探伤不合的主要原因。
The results show that central crack in the defect plate is flake and high hydrogen content induces the ultrasonic test defects.
通过对45钢两种试样状态及冶炼、轧制工艺的分析，找出了白点是导致45钢断面收缩率不合的根本原因，钢中氢含量高是内因，轧后冷速过快是外因。
By analyzing the states of two samples and smelting and rolling process, it was found out that the essential reason resulting in area reduction disqualification of Steel 45 was flake.
通过对45钢两种试样状态及冶炼、轧制工艺的分析，找出了白点是导致45钢断面收缩率不合的根本原因，钢中氢含量高是内因，轧后冷速过快是外因。
By analyzing the states of two samples and smelting and rolling process, it was found out that the essential reason resulting in area reduction disqualification of Steel 45 was flake.
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