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.
对微合金化高锰钢衬板断裂原因进行了分析。
The fracture reasons of lining plate of microalloying high Mn steel have been analyzed.
讨论铬微合金化对大规格高碳钢线材质量的影响。
The influence of cr microalloying on the quality of large size high carbon steel wire rod is discussed.
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.
对高锰钢微合金化提高耐磨性的机理及有关工艺作了详细介绍。
The mechanism that increases the wearability for microalloying of high manganese steels and the concerned processes is introduced in this paper.
介绍了低成本VN微合金化高强度钢筋的研究开发及生产情况。
Research and production of lowcost VN microalloyed rebars with high strength have been reviewed.
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.
本文介绍了该焊丝的研究成果，分析了硼、钛微合金化埋弧焊丝高韧性机理。
In this paper research results of the wire are presented and mechanisms of high toughness of b, Ti microalloyed submerged arc welding wire are analysed.
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.
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.
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.
本文分析了轧制温度、终冷温度、冷却速度以及微合金化对钢筋组织、性能的影响。
The influence of rolling temperature, final cooling temperature, cooling speed and micro-alloying on microstructure and properties were investigated.
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.
介绍将变质处理、孕育处理和微合金化技术结合使用于优质高铬白口铸铁生产的新工艺。
This paper has described the new process combined with the modification, inoculation and micro-alloyage technology in the manufacturing of high quality high-Cr white cast iron.
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.
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.
结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。
The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.
结果表明：铜基弹性合金通过多元少量微合金化与形变热处理工艺相配合，能显著提高材料的疲劳性能。
Influence of trace elements and thermomechanical treatment on fatigue performance of Cu based elastic alloy has been investigated.
利用微合金化技术及ASP连铸连轧工艺和控轧控冷工艺，济钢自主研发了S450热轧管线钢带产品。
S450 hot rolled strips for line pipe is researched and developed through the technology microalloying, ASP and the processes of controlled rolling and controlled cooling in Jinan Iron and Steel co.
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.
优质改性高锰钢生产新工艺的核心是将分级变质处理、复合孕育处理和微合金化技术三位一体，互为作用。
The core of the new manufacturing process for the high quality upgraded Manganese steel is fractionation modification, composite inoculation and microalloying technique, which are affected each other.
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.
不同微合金化系列有效的IAF形核核心数量不同，导致HAZ组织中iaf体积分数和HAZ强韧性相应发生变化。
The number of effective IAF nuclei were inconsistent for different microalloying series, resulting the corresponding changes of the volume fraction of IAF in HAZ and strength and toughness of HAZ.
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.
该技术采用微合金化，利用正交试验设计方法，对不同成分搭配的试样进行宏观硬度和冲击韧性测试，优化了合金成分。
The composition was optimized by tiny alloying, orthogonal test design and the hardness and impact toughness test for the different samples with different combination of alloy composition.
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.
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.
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.
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.
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