牙用钛合金TC4 ,使用渗氮表面技术处理。
Titanium alloy material (TC4) samples were treated with nitriding technique.
渗氮在钢表面获得远远超出正常标准的硬度。其硬度范围为900到1,100布氏硬度,这远高于普通表面硬化所获得的硬度。
Nitriding develops extreme hardness in the surface of steel. This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
结果表明,交流脉冲放电在抑制弧光放电和空心阴极效应方面是非常有效的,对于高铬钢材料表面的离子渗氮作用是明显的。
The results indicate that it has visible effect on restraining arc discharge and hollow cathode discharge as well as ion nitriding on high-chrome steel material surface.
对H13热挤压齿轮模的表面失效进行了分析,为提高H13热挤压齿轮模的寿命对其进行了离子渗氮。
The surface invalidation of H13 hot extruding gear die is analyzed, ion nitriding is used in order to improve H13 hot extruding gear die life.
一般在调质状态下使用,还可以进行碳氮共渗和高频表面淬火处理。
Generally used in quenched and tempered state, can also carry on the carbonitriding and high-frequency surface hardening.
测量渗氮零件表面硬度时,压痕往往只存于白亮层之中,故只测得白亮层的硬度值。
When determining the surface hardness of nitrided parts, the indentation usually exists in white layers and it is the hardness of white bright layers.
QPQ技术是一种主要包括盐浴渗氮和盐浴氧化的表面处理技术。
QPQ technology is a surface treatment technology which consists essentially of liquid nitriding and liquid oxidizing.
摩擦学测试表明渗氮样品不仅摩擦系数大大降低了,而且表面硬度也获得了显著提高。
Tribological tests reveal that the friction coefficients of the nitrided samples are greatly reduced, and the surface hardness is remarkably improved at the same time.
介绍了渗氮、超低温处理、气相沉积、等离子改性以及复合表面处理技术等在切削刀具中的应用现状和发展趋势。
The status and development trend of surface treatments, such as nitriding, vapor deposition, plasma modification and multiplex surface treatment technology used for cutting tools were described.
奥氏体不锈钢通过等离子氮碳共渗可显著提高其表面硬度,从而提高耐磨性而又不损害其抗腐蚀性能。
Hardness and consequently wear resistance of austenitic stainless steel can be highly increased, without loosing corrosion resistance by producing plasma nitrocarburizing surface layers.
硼氮复合渗具有渗速快、渗层深、渗层性能好、渗剂价格低廉、表面光洁等优点。
The boronitriding possess has advantages of fast speed, deep case layer, excellent property, cheap cost, and bright surface, etc.
碳氮共渗工艺选择不当,共渗层过深,表面出现壳状碳氮化合物、内氧化等缺陷组织是造成其断裂的主要原因。
The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.
可在较宽的温度范围内对该钢进行脉冲直流等离子渗氮,获得表面硬度高于基底5 ~6倍的渗氮层。
The microhardness of nitriding layers obtained in a wide range of treatment temperature is 5 ~ 6 times higher than that of the substrate.
通常认为,渗氮导致零件表面的物理及力学性质的微小变化,从而导致零件整体几何形状的变化。
In general it is thought that nitriding may be slightly change the total geometric figure of metal parts by the micro-changing of the physical and mechanical properties of part surface.
特殊的材料包括球墨铸铁和钢煅品,大部分机轴经过热处理,表面硬化、渗氮和感应淬火。
Typical materials include ductile iron castings or steel forgings. Most crankshafts require some form of heat treating including case hardening, nitriding and induction harden.
两种表面热处理液体渗氮及渗硫工艺与现行生产上原采用之液体渗炭淬火处理工艺,在尽量保持其他可变数不变的情状下加以比较。
Two surface heat-treatment processes, liquid nitriding and sulfurizing, are used to compare with the current production process of liquid carburizing, with other variables remaining constant.
对AISI 321和AISI 304不锈钢进行了低温离子渗氮,其表面获得了均匀的渗氮层即白亮层。
AISI 321 and AISI 304 stainless steels were plasma nitrided at low temperature, and uniform nitrided cases, namely, white layers, were developed on their surfaces.
用该炉进行气门的离子渗氮,其硬度、表面质量和尺寸精度均能达到产品的技术要求。
The hardness, surface quality and size precision of gas valves treated by above double heating...
结果表明,渗氮后明显提高钢的表面硬度、耐磨性和使用寿命,满足了工厂提出的技术要求。
The results show that the surface hardness wearable and service properties may increase significantly by nitriding into the steel . It can satisfy the technological standard of the factory.
喷丸试样的渗氮层与未喷丸试样相比,表面物相及含量都有不同。
Phase structure and content of the nitrided layer with or without powerful shot-peening is different.
以获得较高表面硬度和渗层厚度为依据,分析影响渗氮层结构和性能的主要工艺因素,确定出最佳工艺参数。
For obtaining high surface hardness and great thickness, the main factors which affect the nitriding layer structure and properties were analyzed, and the optimized parameters were obtained.
结果表明,稀土能增加渗铬层深度,有助于提高渗氮层的表面硬度。
The results show that the addition of rare earth elements can increase the depth of the chromizing layer and hardnesss of the T10 steel surface.
②渗碳、碳氮共渗、表面热处理实现微机控制,老设备换新貌,节能降耗效果好,显著提高热处理工艺技术水平;
The technical promotion of used equipment is realized through microcomputer controlling for carburizing and carbonitriding with less energy consumption;
②渗碳、碳氮共渗、表面热处理实现微机控制,老设备换新貌,节能降耗效果好,显著提高热处理工艺技术水平;
The technical promotion of used equipment is realized through microcomputer controlling for carburizing and carbonitriding with less energy consumption;
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