1) micro alloying steel
非调质结构钢
1.
The material of the connecting rod has developed from quality alloy structural steel with medium carbon level to micro alloying steel with medium carbon or high carbon level.
连杆的材料从优质中碳合金结构钢向中、高碳非调质结构钢发展,相应的连杆热处理技术有调质、锻造余热淬火和锻后控制冷却,连杆大头孔剖分技术由切割发展至涨断裂解技术。
2.
Comparison is made between the conventional material and a new micro alloying steel in physical and chemical properties, as well as forging and heat treatment processes.
介绍中等缸径高速柴油机曲轴的常用材料及其发展趋势,并就新型非调质结构钢的物理化学性能、锻造及热处理工艺进行比较。
2) microalloyed steel
非调质钢
1.
Prediction models of austenite dynamic recrystallization of medium-carbon microalloyed steel during forging process;
非调质钢锻造过程奥氏体动态再结晶模型的建立
2.
In order to lower the flow stress in the cold heading process,the Bauschinger effect of microalloyed steel MFT8 for cold heading bolt was studied.
为了降低冷作强化非调质钢冷镦变形的变形抗力,研究了冷作强化非调质钢MFT8在冷变形过程中的鲍辛格效应。
3.
A martensitic microalloyed steel was prepared by addition of low carbon and suitable alloying elements such as Mn, Si and Cr.
通过少量C与适量合金元素Mn、Si、Cr配合,制备了低碳马氏体型非调质钢。
3) non-quenched-tempered steel
非调质钢
1.
Study and applications of new microalloy non-quenched-tempered steel;
新型微合金非调质钢的研究
2.
Advance in Microalloying Non-Quenched-Tempered Steels for Auto;
汽车用微合金化非调质钢的进展
4) non-quenched and tempered steel
非调质钢
1.
Effect of Ti-containing complex inclusions on the microstructure and mechanical properties of medium carbon non-quenched and tempered steel;
含Ti复合夹杂物对中碳非调质钢组织和力学性能的影响
2.
Precipitation behavior of Ti-deoxidized products in non-quenched and tempered steel;
非调质钢中钛脱氧产物析出行为
3.
Metallurgical behavior of titanium oxides in non-quenched and tempered steel;
非调质钢中钛氧化物冶金行为
5) non quenched and tempered steel
非调质钢
1.
Refining and forging experiments of non quenched and tempered steel containing sulphur were carried out in laboratory.
在实验室对含硫非调质钢进行了冶炼和锻压实验,结果表明:随钢凝固速率的增加,钢中硫化物夹杂的尺寸减小而数量增多;随锻压压缩比的增加,硫化物夹杂碎裂而变得细小;在950℃锻压时硫化物的塑性最好,在1 250℃时硫化物的塑性较好,在1 050~1 150℃之间硫化物的塑性较差;随着加热时保温时间的延长,硫化物夹杂的数量减少而尺寸增大。
2.
The effect of rolling processes on microstructure and properties of non quenched and tempered steels for oil well tube with various composition was studied.
结果表明 ,中碳铁素体—珠光体型非调质钢完全满足 N- 80油井管的要求 ,在 95 0～ 85 0℃大压下量终轧有利于获得较高的韧
3.
A kind of economical non quenched and tempered steel, which is suitable for making the 2VQS engine crankshaft in Shanghai Volkswagen was developed.
开发了一种满足上海大众 2 VQS发动机曲轴用非调质钢。
6) Microalloy Steel
非调质钢
1.
This article describes the comparison test on microstructure,mechanics and fatigue properties between microalloy steel(49MnVS3)crankshaft and alloy steel (S53C)crankshaft.
本文介绍了非调质钢(49MnVS3钢)曲轴与调质钢(S53C钢)曲轴的显微组织、力学性能和疲劳性能对比试验结果,选定49MnVS3钢作为柴油机曲轴用材,并逐步投入批量生产,产生了巨大的经济效益。
2.
This article describes microstructure and properties experiments between three kinds of microalloy steel linkage and alloy steel linkage Base on the test results,it is determined to choose 35MnVS steel as the material of diesel engine linkage,and it was tested to verify its reliability durability and it helps us to get economic benefits to go into productio
介绍了３种非调质钢连杆与调质钢连杆的显微组织、力学和疲劳性能对比试验。
补充资料：调质
为调整中碳结构钢的性能，使其具有最佳强度与韧性配合而进行的金属热处理工艺。调质的全过程是先将工件淬火,然后高温回火（见回火）。淬火马氏体(见钢铁显微组织)经高温回火后,转变为颗粒状碳化物（碳与铁或其他合金元素形成的金属化合物）分布在铁素体基体上的稳定组织。这种组织兼有较高的强度和韧性。用中碳结构钢制造的重要零件，如齿轮、轴等，一般都要经过调质。为了进一步提高调质零件的耐磨性和疲劳抗力，调质后还可进行渗氮或表面热处理。钢铁调质后硬度不太高，仍可进行切削加工。调质也可以应用于球墨铸铁制作的零件。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条