Study on Reactive Kinetics and Thermodynamics Mechanisms of BNf in the Low Temperature Nitriding Process Using Inorganic Precursors 利用化学转化法制备氮化硼纤维的反应热力学动力学研究
Surface modification of plasma nitriding process on titanium bipolar plate 钛基双极板等离子体渗氮表面改性工艺的研究
Study on nitrogen-rich layer fast plasma nitriding process and mechanism 富氮层快速离子渗氮工艺及机理研究
The company's nitriding process is divided into: gas soft-nitriding, MGN and gas rigidity-nitriding. 公司的渗氮工艺分为:气体软氮化、MGN和气体硬氮化。
It is suitable for secondary nitriding process to promote nitriding reaction. 同时它还适宜采用二次氮化工艺,促进氮化反应。
Effects of ion nitriding process for titanium materials on its microstructure and properties 钛材离子氮化工艺对其组织结构和性能的影响
The distortion law of high-speed diesel crankshafts during nitriding was studied. The influence of crankshafts shape and nitriding process parameters on the distortion was analyzed. 找出了高速大功率柴油机曲轴在自然放置状态下的渗氮畸变规律,分析了曲轴的形状及渗氮工艺参数对曲轴畸变的影响。
Investigation on Nitriding Process for Ni-Cr-Fe High Temperature Alloy Ni-Cr-Fe系高温合金的渗氮工艺研究
Alloy steel was nitrided under the atmosphere of pure nitrogen, using the ion nitriding process by high voltage, low air pressure and soaking in closed furnace. The hardness gradient, depth and phases of nitrided layers were measured. 采用高电压低气压、闭炉保温的渗氮工艺对合金钢在纯氮气氛下进行离子渗氮,测定了渗氮层的硬度梯度、渗层深度和相组成。
This paper deals with the influence of the nitriding process by using an ammonia or ammonia-nitrogen agent on the composition, microstructure and mechanical properties in the nitrided case of the steel parts. 本文论述了氨或氨氮氮化对钢件氮化层成分、组织和性能的影响。
The experimental results showed that the presence of RE could obviously accelerated nitriding process of LD steel. 结果表明:稀土对LD钢的氮化过程有明显的催渗作用;
Short Time Nitriding Process in Sealed Box-type Furnace 在密封箱式炉中的短时气体渗氮
Since the nitriding process itself produces structural stress and concentration gradient stress, a nitriding process is suggested. 试验指出,渗氮本身就存在着渗氮应力,由此导致《间断式》渗氮工艺的产生。
Application of Nitriding Process to Forging Moulds Machining of Molds and Dies 氮化处理在锻压模具中的应用
The possible mechanism of the energized function of rare earth elements in the plasma nitriding process was discussed, an "atmosphere-channel" model was given. 本文还探讨了稀土元素对离子渗氮过程的催渗作用,提出了气团&通道模型。
Allowing for the characteristics of microwave heating and selecting appropriate synthesis nitriding process, we can synthesize AlN powder of high quality. The paper also explores all sorts of factors which have affection on synthesis of AlN powder under microwave circumstance. 根据微波加热特点,选择合适的合成氮化工艺,合成出优质的AlN,并探讨了在微波环境下各种因素对合成AlN粉末的影响。
Study on the Nitriding Process in the Fluidized Bed Furnace 流态床渗氮工艺的研究
The development on the mechanism and property of no-brittle fast gas nitriding process 无脆性快速气体渗氮机理及性能研究
To achieve an extraordinary hard nitriding layer on low carbon steels, a plasma nitriding process was conducted for low carbon steel with 0.2% carbon and pure iron after pack aluminizing. 为了在低碳钢表面得到高的渗氮层表面硬度,对含碳量为02%的低碳钢和工业纯铁进行了粉末渗铝加离子渗氮的复合化学热处理试验。
TG-DTA on the Nitriding Process of Nitrided NiW Hydrotreating Catalysts 氮化镍钨加氢精制催化剂氮化过程的TG-DTA研究
The paper makes a primary approach to a two big problems on the long period and the heavy brittleness resulting from gas nitriding process. 针对气体渗氮工艺存在的周期长和脆性大两个问题进行了初步的探讨。
Study on Short time Nitriding Process 短时渗氮工艺的研究
Consequently, the oxidation process is mainly carried in the special designed furnace and the nitriding process is carried in a commercial plasma nitriding furnace respectively. 因此,本文中的氧化试样主要在专门设计的氧化炉中进行,氮化则是在等离子渗氮炉中进行。
Study on the Wear Resistance of Sulfurizing Soft-Nitriding Process of Ductile Iron 球铁渗硫软氮化耐磨性研究
Effect of Rare earth ( RE) elements on nitriding process of LD steel was studied. 研究了稀土元素对LD钢氮化过程和抗滑动磨损性能的影响。
With Si powders as raw materials, alloy elements as additives, silicon nitride was prepared through the direct nitridation of Si powders. Categories and content of the additives and nitriding process were researched. 本课题以硅粉为原料,合金元素为添加剂,用硅粉直接氮化法制备氮化硅,并对添加剂种类及含量、氮化工艺等进行研究,并对氮化硅的形成机制和部分添加剂的作用进行了探讨。
Study these discharge conditions of the inner link between the material of nitrogen, and the synthesis material surface has great significance nitriding process. 研究这些放电条件之间的内在关系,对氮化合物材料的合成以及材料表面的氮化处理有大意义。
Tempering temperature before nitriding process affected the depth of nitrided layer significantly. With the increase of tempering temperature, the depth of nitrided layer increased. 渗氮前的回火温度对渗氮层的深度影响显著,回火温度增加,渗氮层深度增大。