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1)  intragranular ferrite non quenched and non tempered steel
晶内铁素体型非调质钢
2)  non-quenched and tempered steel with ferrite-pearlite structure
铁素体珠光体型非调质钢
1.
Effect of subcritical normalizing on toughness of non-quenched and tempered steel with ferrite-pearlite structure;
亚温正火对铁素体珠光体型非调质钢韧性的影响
3)  ferrite-pearlite type microalloyed mediumcarbon steel
铁素体-珠光体型非调质钢
4)  intra-granular ferrite
晶内铁素体
1.
The sizes and distribution of the inclusions in HAZ which promote intra-granular ferrite nucleation were measured using the automatic image analyzer, and the figures of the intra-granular ferrite which has self refining grain behavior were observed using transmission electron microscopes with energy dispersiv.
研究了焊接热输入为110kJ/cm三丝埋弧自动焊E36高强度低合金钢热影响区的晶粒细化行为;用自动图像分析仪测量了焊接热影响区诱导晶内铁素体形核夹杂物的大小、分布;用透射电镜观察了具有自细化行为晶内铁素体的形貌。
2.
The results show that Ti-containing complex inclusions act as the nuclei for intra-granular ferrites and refine austenite grains, and with Ti added, the area proportion of ductile fracture is increased.
结果表明:Ti的复合夹杂物可以作为晶内铁素体形核核心,细化奥氏体晶粒;加Ti后冲击断口中延性形貌所占面积比例上升,在保持非调质钢强度的条件下使韧性提高约50%。
5)  intragranular ferrite
晶内铁素体
1.
Development of Microalloyed Intragranular Ferrite Steel With High Strength and Toughness;
晶内铁素体型高强韧性微合金非调质钢的进展
2.
Effect of secondary thermal cycle on intragranular ferrite;
二次热循环对晶内铁素体的影响
3.
Influence of carbon content on the formation of intragranular ferrite in isothermally treated medium-carbon vanadium-microalloyed steels;
碳含量对中碳含钒微合金钢晶内铁素体等温形成的影响规律
6)  ultra-fine grain ferrite steels
超细晶铁素体钢
1.
Study of mechanical properties and forming properties of ultra-fine grain ferrite steels
超细晶铁素体钢的力学性能及成形性能研究
补充资料:非调质钢
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性质:在轧制状态或正火状态下使用的高强度钢。其显微组织主要是铁素体和珠光体。提高非调质钢强度的方法,主要是通过添加合金元素和轧制,细化组织。常采用对于焊接性影响较小而又廉价的硅和锰作为非调质钢主要合金元素。通过控制轧制也可细化组织,提高非调质钢的强度和韧性。非调质钢的典型钢种有:(1)普通焊接结构用非调质钢,用途与软钢大致相同,包括桥梁、贮气罐、高压容器、建筑构件、升降机械和土木机械等;(2)造船用高强度钢;(3)煤气管道用高强度钢。

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