阐述了中国开发含钒微合金化钢的前景。
The prospects for the development of vanadium microalloyed steels in China were described.
介绍了钒在低、微合金化钢中的作用以及钒微合金化钢的重点产品；
The role of vanadium in low and microalloyed steels and the main products of vanadium microalloyed steels were introduced.
论述了VN元素在微合金化钢中的作用和钒钢中增氮最经济可靠的方法。
This paper introduces the function of the chemical element of VN in themicroalloyed steels and the most economic, dependable method of V steel add N.
采用金相显微镜和扫描电镜分析了含铌微合金化钢铸坯角部横裂纹的形成原因。
The optical microscope and SEM were applied to analyze the formation mechanism of transverse corner cracks of Nb microalloyed steel slab.
在微合金化钢的强化机理中，第二相，主要是碳氮化物的析出强化是最重要的影响因素。
Among the strengthening mechanisms, precipitation strengthening of the second-phase, mostly carbonide and nitrides, was the brief mechanism indeed.
宝钢车轮用热轧酸洗钢带是采用控轧控冷工艺生产的具有优良冷成形性能和焊接性能的低碳微合金化钢。
Hot-rolled pickled steel for automotive wheel is low carbon micro-alloyed steel with excellent properties of cold forming and welding produced by using advanced TMCP technology.
该方法被广泛应用于各种高温合金、中低合金钢、微合金化钢中碳化物、金属间化合物的粒度尺寸分布的测定。
The present method has been used for the particle size determination of carbides and metal precipitates in microalloyed steel, middle-alloy steel and high-temperature alloys.
对铌含量分别为0.24、0.15和0.08%的三炉微合金化钢中碳化铌在铁素体中的沉淀进行了较为深入的研究。
With three microalloy steels containing 0.24, 0.15, and 0.08% niobium respectively, the precipitation of niobium carbide in ferrite has been studied.
介绍了国内在钢的微合金化原理、微合金元素特性及微合金化钢研究取得的成就，对生产微合金化钢及其发展前景等方面进行了探讨。
The domestic research achievements, the principle and the element characteristics of microalloying are introduced, the production of microalloying steel and the prospect are discussed.
概述了钛微合金化在低合金高强钢中的工业应用进展、难点及可能的研究方向。
The developments of industrial application in HSLA steel, difficulty and potential research directions of titanium micro alloying were also analyzed.
较高的氮含量有利于提高硬线钢钒氮微合金化的强韧化效果。
Higher content of nitrogen is benefit for increasing strength and toughness for V-N micro-alloyed hard wire rods steel.
研究认为钒氮微合金化硬线钢主要通过细晶强化和沉淀析出强化，从而提高钢材的强韧件。
It is considered that the V-N micro-alloy high carbon wire rods obtain the high strength and toughness mainly due to grain refining and precipitation strengthening.
微合金化对提高15B37HC钢的强度、硬度、韧性和淬透性均有显著效果。
The strength, hardness, toughness and hardenability of 15B37HC steel can be significant improved after being micro-alloyed.
在热模拟试验机上研究了控轧控冷工艺对微合金化低碳贝氏体型非调质钢组织性能的影响，并探讨了贝氏体转变机制问题。
The effect of TMCP parameters on microstructure and property was studied, and a controversial question about bainite transformation mechanism also was discussed.
通过对汽车轮辐用钢板的铌和稀土微合金化试验和生产实践，分析了铌、稀土元素对汽车车轮用钢组织和性能的影响。
The effect of niobium and rare earth on automobile wheel steel was analyzed by using experimental data and production practice.
结果表明，研制开发出的铌钛微合金化if钢具有高的屈服强度和优良的成形性能。
The results show that the steel has high yield strength and quality forming property.
结果表明，研制开发出的铌钛微合金化if钢具有高的屈服强度和优良的成形性能。
The results show that the steel has high yield strength and quality forming property.
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