Q 460e钢正火可以达到某些中碳调质钢的力学性能要求。
Mechanical properties of normalized Q460E could reach the requirement of some medium carbon quenched and tempered steel.
叙述了正火工艺对中碳非调质钢组织和力学性能的影响。
In this paper, the effect of normalization process on microstructure and mechanical properties of medium carbon non-quenched and tempered steels is introduced.
对含有内部裂纹的45钢试样采取了不同温度一次加热正火处理和二次加热正火处理，研究了其内部裂纹愈合的可能性。
The possibility of inner microcrack healing was studied by normalizing the 45 steel samples containing inner crack for one time and two times respectively.
研究了正火处理对FAS390Q桥壳钢显微组织、强度、冲击韧性和韧脆转变温度的影响。
The effect of normalizing on microstructure, strength, impact toughness and ductile-brittle transition temperature of FAS390Q axle housing steel was studied.
在横轧前增加正火工序，改善钢的奥氏体晶粒度，消除混晶组织。
Normalization procedure was added before the transverse rolling for improving steel austenite grain fineness and removing mischcrystal structure.
结果表明：x80钢经调质处理后得到索氏体，正火得到珠光体。
The results show that X80 pipeline steel obtains sorbite after quenching and tempering, gets pearlite by normalizing.
发现，HQ70钢过热区粗大非平衡组织，经第二次快速加热到正火区，并没有出现通常所认为的“细化品粒”现象，而是出现了“组织遗传”。
It was discovered that structural heredity phenomenon took place in the non-equilibrium structure of overheated zone of HQ70 steel after another quick heating.
经正火35钢随机载荷疲劳试验验证，其可靠性分析精度较高。
The test result has proved that the analysis accuracy is very high for normalizing 35 steel under random loading.
本文通过八对圆弧齿线圆柱齿轮的运转接触疲劳试验，得到了45钢正火齿轮的接触疲劳极限应力框图，可供圆弧齿线圆柱齿轮传动的接触强度计算参考使用。
In this paper, contact endurance limit diagram of 45 normalizing gear is obtained from contact fatigue teste on 8 pairs of CATT gears. It is worthy reference for a calculation of gear design.
本文通过八对圆弧齿线圆柱齿轮的运转接触疲劳试验，得到了45钢正火齿轮的接触疲劳极限应力框图，可供圆弧齿线圆柱齿轮传动的接触强度计算参考使用。
In this paper, contact endurance limit diagram of 45 normalizing gear is obtained from contact fatigue teste on 8 pairs of CATT gears. It is worthy reference for a calculation of gear design.
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