碳化铌

  • 网络Niobium carbide;nbc
碳化铌碳化铌
  1. XRD、SEM、EPMA测试分析表明铌掺杂增强硅化石墨的机理是:碳化铌相的生成使原材料平直表面界面锯齿化,并平衡晶界附近不饱和价键,降低了晶界能;

    The mechanism of intensifying of silicified graphite via Nb doping was based on the XRD , SEM and EPMA analyses . Formation of NbC phase caused straight surface grain boundary structure to form sawtooth and balance non-saturation bonds of grain boundary and reduce grain boundary energy .

  2. 实验结果表明,在铁素体区稀土可促进碳化铌的析出,而在奥氏体区有抑制碳化铌析出的作用。

    The results show that additional RE accelerates the precipitation of NbC in ferrite while retards the precipitation of NbC in austenite .

  3. 计算结果表明,碳氮化铌中碳化铌的摩尔分数x随温度的变化曲线一般为具有一极大值的连续上凸曲线;

    The calculated results have shown that the curve of the mole fraction x of niobium carbide in niobium carbonitride with temperature is a continuous curve with a maximum ;

  4. 粉末法被覆碳化铌工艺的研究

    Research on the Coated Vanadium Carbide Process with Powder Method

  5. 微合金钢中碳化铌在铁素体中的沉淀和沉淀强化

    Precipitation and precipitation strengthening of niobium carbide in ferrite in Microalloyed Steel

  6. 活塞环表面碳化铌镀覆新工艺试验研究

    Study of new technology of NbC-COATING on the surface of piston ring

  7. 稀土对微合金钢中碳化铌析出规律的影响

    Effect of Rare Earth on Precipitation Behavior of Niobium Carbide in Microalloyed Steels

  8. 熔融盐法钢铁表面被覆碳化铌的研究

    An Investigation on the Coating of NbC on Steel by Molten Salt Both

  9. 微合金化钢中碳化铌在铁素体中的沉淀

    Precipitation of niobium carbide in ferrite in MICROALLOY STEELS

  10. 碳化铌在微合金钢中的溶解

    Solubility of niobium carbide in a microalloy steel

  11. 对铌含量分别为0.24、0.15和0.08%的三炉微合金化钢中碳化铌在铁素体中的沉淀进行了较为深入的研究。

    With three microalloy steels containing 0.24 , 0.15 , and 0.08 % niobium respectively , the precipitation of niobium carbide in ferrite has been studied .

  12. 介绍了用粉末法被覆碳化铌工艺代替盐浴被覆金属碳化铌工艺,并给出实验结果。

    This paper introduces the process of coated vanadium carbide with powder method in place of coated metal vanadium carbide with salt bath treatment . The experimental results are given here .