重点分析了球墨铸钢铸态、退火、正火、锻造后的组织特征。
The microstructure morphology of spheroidal graphite cast steel after as-casting, annealing, normalizing, forging was investigated emphatically in this paper.
研究了合金渗碳钢锻件的普通正火与等温正火工艺参数对组织、性能的影响。
The microstructure and property of alloy carburizing steel forged parts after general normalizing and isothermal normalizing were studied.
研究了正火温度和回火温度对ZG310- 570铸钢组织和力学性能的影响。
Influences of normalizing temperature and tempering temperature on mechanical properties and microstructure of ZG310-570 cast steel were investigated.
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.
论述了正火(雾冷和强风冷却)和回火温度对凸轮轴中显微组织和力学性能的影响。
So the influence of normalizing treatment (with atomized moisture cooling or strong wind cooling) and tempering treatment on the structure and mechanical properties of the camshaft was investigated.
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.
分析讨论了正火改善组织和性能的机制及正火工艺的经济性。
The principle improving microstructure and mechanical properties after normalization, and the economy of normalization are discussed.
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.
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.
而一般过热的锻材可通过高温快冷正火处理来改善其显微组织，从而获得NADCA (ASTM)标准的合格级别组织。
Generally the microstructure of the overheated forging can be improved by means of high temperature fast cooling normalizing so that the qualified level from NADCA and ASTM standards can be obtained.
对钢轨闪光焊、气压焊和铝热焊进行火焰正火处理，并进行正火、未正火接头和钢轨母材的金相组织以及力学性能的对比。
The flame normalizing treatments were put forward on steel rail with flash welding, gas pressure welding and aluminium heat welding.
研究了加热温度和冷却速度对高碳钢正火钢丝的显微组织和力学性能的影响。
The effect of heating temperature and cooling speed on the micro-structure and mechanics characteristics of high-carbon-steel wire normalized was studied in this paper.
研究了两种合金渗碳钢锻件普通正火和等温正火的显微组织和性能。
The microstructure and the property of two low carbon alloy steel forged parts were compared for parts after isothermal normalizing with those after ordinary normalizing.
研究了两种合金渗碳钢锻件普通正火和等温正火的显微组织和性能。
The microstructure and the property of two low carbon alloy steel forged parts were compared for parts after isothermal normalizing with those after ordinary normalizing.
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