The fusion welding, arc erosion mechanics and corrosion mechanics of Ag-W contact are also discussed.
对银钨触头的熔焊特性、电弧侵蚀机理以及腐蚀机理进行了探讨。
An analytic model and an expression are set up on the temperature distribution along the electrode axis during the arc erosion.
建立了电接点电侵蚀沿电极深度方向上的温度场分布解析模型和解析表达式。
The make-break test shows that AgC 5 contact material fabricated by nano-phase coating possesses good resistance against arc erosion.
分断实验表明 :将纳米技术应用到银 /石墨触头材料的制备中 ,使材料的抗电弧磨损性能有了较大的改善。
Arc erosion pattern shows that spot craters locate on the phases with weak voltage withstanding, whose size, morphology and distribution determine the character of the arc spots.
阴极斑点优先在材料承载电压能力低的弱相表面形成,弱相尺寸、形貌和分布决定了阴极斑点的几何特征。
And also, the electric arc erosion of contact materials is engendered by heat effect of arc and other discharge phenomenon during the open and close of electric contact materials.
还发现触头材料的电弧烧损主要是触点在断开和闭合的过程中,产生电弧或其它放电现象的热效应所造成的。
The experimental results indicated that the arc erosion resistance of the newly developed Ag5wt%C material was more than 40% higher than that of the conventionally blended counterpart.
电磨损分断对比试验发现,与常规机械混粉同类触头相比该材料的耐电腐蚀性能提高了40%以上。
According to the analysis of the applied forces on the molten poor at arc root the theoretical function in which the arc erosion of metal droplet ejection can be characterized was founded.
根据旋弧弧根处熔化液池的受力分析,在理论上建立了能描述旋弧喷溅侵蚀特性的函数关系式。此理论关系表明,在无外磁场作用下,液池中心受力最大,将形成中心喷溅;
When we evaluate the property of contact materials, we should not only compare thier arc time, but also compare thier erosion rate of materials and arc energy.
作为评价触头的性能,不能单一地比较其燃弧时间的长短,尚应全面评价其分断电弧能量和材料侵蚀率。
The results show that the higher rough surface will result in the arcing more easily and form higher arc energy, the forms of wear are mainly abrasive wear and are erosion.
结果表明:表面越粗糙,越易起弧,形成更高的电弧能量,磨损形式主要是磨粒磨损、电弧侵蚀;
The energy input from arc to contact surface is a decisive factor on erosion of contact materials.
电弧对触头表面的能量输入是影响触头侵蚀量的决定因素。
The linkage between the soil erosion model ANSWERS and the Geographical Information system (GIS) ARC/INFO is presented.
研究了土壤侵蚀模型ANSWERS和地理信息系统(GIS)ARC/INFO之间的连结。
It indicates that the rotary-arc gap switch employing a sharp knife-edge electrode as a third trigger electrode can distinctly reduce the electrode erosion and prolong the lifetime of the switch.
在不同开关结构、不同电极材料和不同电流波形情况下对开关进行了单次触发放电实验,验证了旋转电弧、场畸变间隙开关能够有效地减轻开关电极的烧蚀程度;
The electrode erosion of gas spark switch caused by high current, high energy arc influences the feature and lifetime of the switch.
气体火花开关在大电流工作情形下,会因为开关电极受到高能量、大电流电弧的烧蚀作用而影响其工作性能和寿命。
Summarizes the first industrial experiment on protecting from water erosion by spraying blade, concludes that electric-arc spraying should be perfected and popularized in this respect.
通过对叶片防水蚀喷涂保护的首次工业性试验进行了总结,并认为喷涂在这方面应该得到完善和推广。
By the support of ARC/INFO geographical information system and integration of GIS and USLE, the soil erosion amount of Yuzigou small watershed was predicted.
在地理信息系统ARC/INFO支持下 ,根据通用土壤流失方程式 ( USL E)对数据库实施运算操作 ,预测了芋子沟小流域土壤侵蚀量。
There are some methods that are plasma spraying, arc-spraying and hypersonic flame spraying technology to prepare alloy coating with high erosion and corrosion resistance.
目前制备高性能涂层常用的方法有等离子喷涂、电弧喷涂、超音速火焰喷涂等。
The results show that the W-Cu contact produced possesses high density, excellent physical and mechanical properties and arc-erosion resistance.
结果表明,用本工艺制取的钨-铜触头具有接近理论密度的高密度、优异的物理机械性能和抗电蚀性。
The results show that the W-Cu contact produced possesses high density, excellent physical and mechanical properties and arc-erosion resistance.
结果表明,用本工艺制取的钨-铜触头具有接近理论密度的高密度、优异的物理机械性能和抗电蚀性。
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