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.
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.
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.
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.
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.
研究了易切削系非调质塑料模具钢的组织与性能。
The microstructure and property of the free cutting unquenched plastic die steels have been studied.
研究了易切削系非调质塑料模具钢的组织与性能。
The microstructure and property of the free cutting unquenched plastic die steels have been studied.
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