研制了一种新型微合金非调质钢。
提高微合金非调质钢的强度需要改善其韧性。
Toughness of microalloyed forging steel should be improved with the increase of strength.
用高碳微合金非调质钢试制了捷达轿车发动机连杆。
High - carbon microalloyed engine connecting rods for Jetta car were prepared by controlling steel metallurgy, forging process and cooling process.
文中比较了非调质钢与调质钢在上述性能方面的差异。
Mechanical properties of the steels along with fracture behaviour, fatigue property and machinability are presented in comparison with those of quenched and tempered steels.
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.
最后，介绍了非调质钢在汽车、拖拉机零件上的具体应用。
Finally, the specific application in parts of auto and tractor is illustrated.
本文研究了转炉生产含硫非调质钢中硫化物夹杂的控制方法。
The morphology of sulphide inclusions in sulphur-comprising micro alloyed steel manufactured by converter after rolling was observed.
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.
低合金高强度调质钢建议采用一阶段的轧制方式，冷速不宜过低。
Low-alloy high strength quenched and tempered steel suggested using one-stage rolling method, cooling rate should not be too low.
本文研究了微量元素钒、钛在非调质钢中的析出硬化作用和细化晶粒作用。
The precipitation hardening effect and the grain refining effect of trace elements vanadium and titanium in microalloyed steels were researched on.
这种新型结构钢国外始于七十年代，我国八十年代初开始非调质钢的研究。
The foreign has this new type of steel in the seventies. We began to study it in the eighties.
研究了加热温度、终锻温度、冷却速度对45V非调质钢力学性能的影响。
The influence of heating temperature, forging-ending temperature and cooling speed on the mechanical properties of untempered 45v steel is investigated.
尤其是调质钢焊接接头的软化区，其性能值和宽度严重影响接头的承载能力。
Especially, the softened zone's performance indexes and width affect the load-supporting capability of the quenched and tempered steel's welded joints seriously.
冷作强化非调质钢螺栓经时效处理可以稳定组织、提高强度、降低残余应力。
Aging treatment is performed for microalloyed steel for cold hardening bolt, which can stabilize its microstructure, enhance its strength and reduce its residual stress.
研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。
The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-and tempered steel of low carbon martensite is researched.
连续冷却相变实验研究表明，BP模型用于全贝氏体型非调质钢的成分设计是有效的。
The relation between chemical composition of alloyed steel and its hardness under continuous cooling is built by Back Neural Network(BP) method.
象传统铲斗一样，锥形铲斗也在需要的部位使用高质量的，既具有高强度又耐腐蚀的调质钢。
As with conventional bucket, the taper bucket is manufactured from high quality quench and tempered steels allowing for high strength, as well as high abrasiveness in required areas.
用金相显微镜、扫描电镜和能谱观察和分析了转炉生产的含硫非调质钢轧后硫化物夹杂的形貌。
The morphology of sulphide inclusions in sulphur-comprising micro alloyed steel manufactured by converter after rolling was observed.
用金相显微镜、扫描电镜和能谱观察和分析了转炉生产的含硫非调质钢轧后硫化物夹杂的形貌。
The morphology of sulphide inclusions in sulphur-comprising microalloyed steel manufactured by converter after rolling was observed.
本文概述了非调质钢的开发和应用现状，其中包括铁素体一珠光体、贝氏体以及马氏体非调质钢。
This paper gives a survey of development and application of microalloyed engineering steels, including those with ferritic -pearlitic, bainitic, and martensitic structures.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
能满足转炉生产优质碳素结构钢、齿轮钢、轴承钢、 低合金高强度钢、低合金调质钢、 非调质钢等钢种的需要。
The requirement of producing high quality carbon construction steel, pinion steel, bearing steel, low-alloyed high tensile steel, low-alloyed hardened and tempe…
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.
选择性使用和布局调质结构钢获得了极优的耐磨性和强度。
Selective use and placement of quench and tempered construction steels provide excellent wear and strength properties.
对调质处理的45碳索结构钢进行了应变循环低周疲劳实验以及应力控制棘轮失效实验。
The cyclic strain low cycle fatigue and cyclic stress ratcheting failure of 45 carbon steel treated by quenching and tempering were experimentally investigated.
H 13钢芯棒毛坯在调质热处理后的校正工序中发生断裂，宏观断裂面出现萘状断口。
After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.
介绍了采用多匝线圈感应加热对矿井支护钢进行调质处理的工艺及设备的特点。
This paper introduces the technology and equipment of multicoli inducting hardening and tempering for mine supporting steels.
介绍了采用多匝线圈感应加热对矿井支护钢进行调质处理的工艺及设备的特点。
This paper introduces the technology and equipment of multicoli inducting hardening and tempering for mine supporting steels.
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