碳化钒

合金为亚共晶成分时碳化钒沿晶间分布。

When the alloys are hypoeutectic alloys , the vanadium carbides are along intercrystalline distribution .

提高V含量使细小弥散的碳化钒在晶内析出，产生明显的沉淀强化效果。

V strengthened welds exhibited higher toughness than that strengthened with C in the same strengthening effect .

TD处理的碳化钒覆层形成过程

Formation Process of Vanadium Carbide Coating through TD Treatment

针对碳化钒的不同形态，设计出定量分析软件，并利用形状因子K，实现了高钒高速钢不同碳化物形态数值化处理，当K介于0.785~1.000之间碳化钒形态为团球状；

Quantitative analysis software is invented for effective analysis of different vanadium carbide 's morphology , and the form factor K can represent the morphology of different vanadium carbide .

以V2O3为原料，采用真空还原方法制备出碳化钒，生成的碳化钒直接进行渗氮制备出碳氮化钒。

The preparation of vanadium carbon-nitride from V 2O 3 was studied .

利用纯镍标识钢的原始表面，研究了钢经TD处理所产生的碳化钒覆层形成过程。

The original surface of a steel specimen was identified by pure nickel so as to study the formation process of a vanadium carbide coating on the surface of the steel specimen through TD treatment .

用SEM、XRD检测浇注凝固后位于铸型表面的复合粉料压坯组织结构的变化，证实用铸造烧结技术可以在铸件表面原位生成碳化钒颗粒增强铁基表面复合材料。

Microstructure change of compressed composite powder block in mould cavity with metal poured and solidified on was examined using SEM and XRD . It was confirmed that the V 8C 7 particles reinforced iron matrix surface composites can be in situ produced on the casting surface using cast-sintering technology .

探讨了TD处理过程中的热力学和动力学，结果表明，在1200K条件下，碳化钒形成的自由能为-40.52kJ/mol；

The kinetics and thermodynamics were studied in the course of TD process . The results show the free energy change of forming carbide vanadium is-40.52 kJ / mol under 1200 K.

研究表明，渗钒后，表面硬度达Hv（0.1）2820～3010，碳化钒层深度为7～9μm，耐磨性比常规热处理提高10倍以上。

The results Showed that after vanadizing the surface hardness reached Hv_ ( 0.1 ) 2820 ~ 3010 , the case depth reached 7 ~ 9 μ m. The wearability of vanadizing samples has increased by over ten times as compared with that of the conventional process .

真空碳热还原法制备高密度碳化钒

Preparation of High Density VC by Vacuum Carbon Reduction Method

单相均匀组分碳化钒单晶生长

Growth of vanadium carbide crystal with a single phase and homogeneous composition

反应磁控溅射碳化钒薄膜的微结构与力学性能

Microstructures and Mechanical Properties of Vanadium Carbide Films Grown by Reactive Magnetron Sputtering

冷作模具钢的碳化钒覆层扩散处理

Vanadium Carbide Diffusion Coating for Cold-Worked Die Steels

钢铁表面碳化钒覆层的研究与应用

Study of the coating layer of vanadium carbide on iron and steel and Its Applications

碳化钒作碳源合成金刚石

Diamond synthesis using VC as carbon source

钾盐复合变质剂对高钒高速钢中碳化钒形态与分布的影响

The Effects of Potassium Salt Multi-Modification on Carbide Morphologies and Distribution of High Vanadium High Speed Steel

高钒铁碳合金中碳化钒的生长机制及形态控制研究综述

Review on Growth Mechanism and Morphology Control of Vanadium Carbide in Fe-C Alloy with High Vanadium Content

碳氮化钒是氮化钒和碳化钒的固溶体，是重要的钢中添加剂。

Vanadium nitride and carbide , as a solid solution , is an important additive to steel .

粉末冶金反应合成碳化钒颗粒增强铁基复合材料制备工艺基础研究

Study on the Preparation Processing of Vanadium Carbide Reinforced Ferrous Matrix Composite Based on Powder Metallurgical Reactive Synthesis Technology

结果发现：碳化钒中由于碳的有序缺位形成了V6C5简单六方超点阵结构；

The results showed that due to the ordered vacancy of carbon atom the simple hexagonal superlattice V_6C_5 were formed in vanadium carbide .

碳化钒覆层可大幅度提高钢的耐磨性和耐腐蚀性能，其磨损机理主要为疲劳剥落磨损。

Vanadium carbide coating can greatly increase wear resistance and corrosion resistance . Its wear mechanism was the abrasive due to fatigue peeling . 5 .

阐述了高钒合金优良的耐磨性能及碳化钒相对于耐磨性的意义，有关碳化钒形态的试验和理论研究。

The excellent wear properties of the Fe-C alloy with high vanadium contents and the important roles of vanadium carbide phases on wear properties are described .

结果表明，通过本研究开发的熔盐配比和处理工艺，获得的渗层主要由碳化钒组成，而且渗层组织均匀、结构致密、具有很高的显微硬度和良好的耐磨性。

The results showed that the coating was mainly formed by the VC , it was of compact and uniform structure with high micro-hardness and good frictional resistance .

本试验条件下直接还原的开始温度为656K，氮化的开始温度为1160K，氮化钒转化为碳化钒的温度为1560K。

With the experimental conditions , the beginning reaction temperature of direct reduction is 656 K , the nitrogenization occurs at 1 160 K , and VN translates into VC at 1 560 K.

结果表明，热处理工艺对碳化钒形态分布无明显影响，但对高钒高速钢基体中奥氏体含量和耐磨性有重要影响。

The results show that the heat treatment process has remarkable effect on retained austenite content in matrix and wear resistance of the steel , but has little effect on the morphology and distribution of carbide vanadium .

氮化钒、碳化钒可用于改善结构钢、工具钢、管道钢、钢筋、普通工程钢以及铸铁的性能。

Various kinds of steel such as structure steel , tool steel , pipe line steel , reinforcing steel bar , common engineering steel and cast iron may be improved in their properties by vanadium nitrides and carbides .

通过该工艺得到的碳化钒渗层具有高硬度、高耐磨性、高疲劳强度等优点，应用于拉伸模、挤压模等冷变形模具上，可大幅度提高模具的寿命。

The V permeating layer obtained form the process is of high rigidity , high wear resistance and high fatigue strength . It can be applied in cold forming dies such as draw and extrusion to improve the die life span .

探讨了粉料压坯快速完成钒的碳化反应和烧结致密化的机理，用MM200磨损试验机检测了碳化钒颗粒增强铁基表面复合材料的耐磨性。

The mechanism of vanadium quick carbonizing and composite powder fast sintering and compacting of the compressed block during casting was investigated . Wear resistance of V 8C 7 particle reinforced iron surface matrix composite was examined using MM-200 wear-test machine .