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alloying ferrite
相关语句
  合金铁素体
     The results show that the microstructure of the alloying layer consist of the alloying ferrite,and the composition of the alloy elements is 8%(wt)W,10%(wt)Mo,1.8%(wt)Ti.
     结果表明 ,离子渗金属后 ,渗层组织为合金铁素体 ,表面合金元素浓度 (质量分数 ,% )为 8W、10Mo、1 8Ti;
短句来源
     The results show that the composition and the microstructure of the alloying layer are different for different process conditions. The typical microstructures of the layer are the alloying deposit,the alloying ferrite and alloying pearlite.
     结果表明 ,渗层成分、组织因工艺条件不同而异 ,典型组织为合金沉积层、合金铁素体和合金珠光体。
短句来源
     The concentration of Ti is lower and the diffusion of Ti is difficult in the layer. However the alloying ferrite layer that the concentration of Ti is 2% and the concentration of W-Mo is similar to HSS are obtained,by controlling the process condition and the source content.
     在同样工艺条件下钛元素不易渗入 ,在渗层中浓度较低 ,但通过工艺参数和源极成分的合理调整 ,可获得约 2 %Ti,W、Mo浓度与高速钢类似的合金铁素体层 ,为含钛表面冶金高速钢的制备提供了必要条件。
短句来源
  相似匹配句对
     ALLOYING
     中国有色金属史(十一) 合金制取
短句来源
     On Mechanism of Alloying Effect of RE Element on Ferrite
     稀土元素在铁中合金化作用的机理分析
短句来源
     Formation of nanocrystalline spinel Ni-Zn ferrite by mechanical alloying
     用机械合金化方法制备纳米晶Ni-Zn铁氧体
短句来源
     (3)alloying;
     (3)合金化阶段;
短句来源
     Variable Ferrite Coupler
     铁氧体可变耦合器
短句来源
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This paper studies the influence of the elements Si, Mn, P on the microstructure and properties of 70Si3MnA spring steel. It has been found that the alloying-ferrite is formed through segregation of Si, Mn, P in the microstructure after conventional heat treatment and with different processes of heat treatment basically unchanged the morphologys of the microstructure. The main effect of alloying-ferrit to the mechanical properties is the lowering in G and ak values. Sereral processes to prevent...

This paper studies the influence of the elements Si, Mn, P on the microstructure and properties of 70Si3MnA spring steel. It has been found that the alloying-ferrite is formed through segregation of Si, Mn, P in the microstructure after conventional heat treatment and with different processes of heat treatment basically unchanged the morphologys of the microstructure. The main effect of alloying-ferrit to the mechanical properties is the lowering in G and ak values. Sereral processes to prevent the formation of alloying-ferrite have been studied.

本文主要介绍70Si3MnA弹簧钢经正常热处理后,其显微组织中存留含有Si,Mn,P的合金铁素体。改变热处理工艺并不能改善合金铁素体的形态。合金铁素体乃是因弹簧钢中Si,Mn和P的偏析而致。同时介绍合金铁素体的行为和对力学性能的影响,使材料的剪切模量(G)和冲击值(a_K)降低,以及防止70Si3MnA弹簧钢中合金铁素体的方法。

This paper deals with the influence of prestressing on sub-structures and relaxation ability of springs made of 50CrVA oil-tempering wires(OTW) and mechanical heat treating wires (MHTW). Experimental results show that TEM structures of both springs after hot prestressing are tempered lathmartensite. Its main characteristics are black lalternating with white, approximately parallel sub-cells, in which the white strips are alloying ferrite and the fine, narrow black strips are cell walls of sub-structure...

This paper deals with the influence of prestressing on sub-structures and relaxation ability of springs made of 50CrVA oil-tempering wires(OTW) and mechanical heat treating wires (MHTW). Experimental results show that TEM structures of both springs after hot prestressing are tempered lathmartensite. Its main characteristics are black lalternating with white, approximately parallel sub-cells, in which the white strips are alloying ferrite and the fine, narrow black strips are cell walls of sub-structure with high density of dislocation tangles. The cementite particles are scattered in the black cell walls. On the other hand, after hot or electric prestressing there are more black and dislocation tangles crowding together in the cell sub-structures of MHTW springs than in OTW springs, and in individual areas appear some sub-structures like twined martensite.Before prestressing the stress relaxation of 50CrVA springs at low temperatures consists in general of two stages, but after hot or electric prestressing appears only the second stage. The general equation of stress relaxation curves based on the regression method is ΔP/P_0=a+blnt_R. The loss rate of load (ΔP/P_0)_(10) of both spring is below 2% in 10 years.The stress relaxation process of spring at low temperatures is a combined effect of recovery and dynamic recovery, and it takes place mainly in weaker micro-regions of some sub-grains. The important affecting factors are homogeneity and stability of the sub-structure.

本文研究了强压处理对50C_rVA油淬火钢丝及形变热处理们丝弹簧的组织结构及松弛性能的影响。结果表明,经热或电强压处理后TEM组织是回火板条马氏体,其主要特征是:在某些晶粒微区内出现了黑白相间、大致平行的条状亚结构,其中白条为合金铁素体,窄细条是高位错密度缠结的胞壁,碳化物质点主要分布在胞壁内。形变热处理者有数量较多、黑色密集位错缠结的胞状组织,局部也有类似孪晶的亚结构。未强压时弹簧的低温应力松弛过程一般分为两阶假;经热或电强压处理后只出现松弛的第二阶段。回归直线方程通式为ΔP/P_0=a+blntR,算出两类弹簧工作十年后的负荷损失率<2%。弹簧的低温应力松弛是一个回复和动态回复的综合效应,它在某些晶粒较弱的微区内优先进行。组织和亚结构的均匀稳定是主要影响因素

The characteristic of the plasma W-Mo-Ti alloying on the surface of different carbon steels has been researched by the double-glow-discharge-alloying.The results show that the composition and the microstructure of the alloying layer are different for different process conditions.The typical microstructures of the layer are the alloying deposit,the alloying ferrite and alloying pearlite.The concentration of Ti is lower and the diffusion of Ti is difficult in the layer.However the alloying ferrite...

The characteristic of the plasma W-Mo-Ti alloying on the surface of different carbon steels has been researched by the double-glow-discharge-alloying.The results show that the composition and the microstructure of the alloying layer are different for different process conditions.The typical microstructures of the layer are the alloying deposit,the alloying ferrite and alloying pearlite.The concentration of Ti is lower and the diffusion of Ti is difficult in the layer.However the alloying ferrite layer that the concentration of Ti is 2% and the concentration of W-Mo is similar to HSS are obtained,by controlling the process condition and the source content.

采用双层辉光离子渗金属技术 ,对工业纯铁、2 0钢、4 5钢和T8钢进行了W、Mo、Ti离子三元共渗 ,着重探讨了Ti的渗入特性。结果表明 ,渗层成分、组织因工艺条件不同而异 ,典型组织为合金沉积层、合金铁素体和合金珠光体。在同样工艺条件下钛元素不易渗入 ,在渗层中浓度较低 ,但通过工艺参数和源极成分的合理调整 ,可获得约 2 %Ti,W、Mo浓度与高速钢类似的合金铁素体层 ,为含钛表面冶金高速钢的制备提供了必要条件。

 
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