查询词典 ceramal

In order to reduce production cost of ceramal friction material,the cost optimization solution for Cu-base ceramal friction material is introduced,and the effect of the optimization solution on performance of the friction material is studied.

为降低金属陶瓷摩擦材料的制造成本，介绍了Cu基金属陶瓷摩擦材料成本优化方案，并研究了优化方案对Cu基金属陶瓷摩擦材料性能的影响。

The oxidation resistance of the ceramal composite coating was investigated und.

在900℃恒温氧化50h的试验条件下测试了涂层的抗氧化性。

The results indicate that, electromagnetic stirring under proper magnetic field parameters can control the quantity, shape and distribution of ceramal composites, which can improve the strength and wear resistance of the surfacing layer.

结果表明，适当磁场参数产生的电磁搅拌可以细化堆焊层的组织，而且还能控制堆焊层中陶瓷复合材料的数量、形态及分布情况，从而改善了堆焊层金属的硬度和耐磨性。

Using hot-press techniques to fix ceramal in drill bit is trusty.

同时利用热压工艺将陶瓷固定在钻头体上是可靠的。

The ceramal layer on the surface of mild steel was cladded by using a double-layer precoating method.

采用双层预涂覆方法在低碳钢表面激光熔覆金属陶瓷涂层。

Several graded materials that are composite of different metals and ceramal are taken for the examples, the phase velocity equation is solved by the numerical method, the dispersion curves are given. The results show that the Rayleigh waves nearb...

以不同金属与陶瓷复合而成的几种梯度材料为例，用数值方法求解了相速度方程，给出了相应的波的弥散曲线，结果表明，梯度介质半空间自由表面附近的Rayleigh波通常有两种不同的弥散形式，即正常弥散和非正常弥散

Next, the change of chip breaking performance of indexable inserts of PVD-coated, CVD-coated carbides and ceramal at obviously increasing of cutting speed, and each of cutting and chip breaker parameters effecting on chip breaking performance of commonly used indexable inserts have been studied experimentally.

首先提出了接触图形法和切屑折断性模糊估计等新的研究方法，然后对几种易于折断的切屑形状及断屑槽型进行了分析和概括，并对切削速度明显提高以后涂层及金属陶瓷刀片断屑性能的变化、各切削参数对常用可转位刀片断屑性能的影响进行了试验研究。

A new type in-situ reinforcing Cr7C3 ceramal composite coating was fabricated on carbon steel(C3) substrate by plasma cladding. Microstructure of the ceramal composite coating was characterized by SEM, XRD and EDS. Room and high temperature wear properties were evaluated under dry sliding wear test conditions and their wear mechanism was discussed.

采用等离子熔覆技术，在调质C3钢表面制得以原位生成初生相Cr7C3为增强相的金属陶瓷复合材料涂层；利用SEM、XRD和EDS等分析了涂层的显微组织和相组成；测试了在室温干滑动磨擦及高温滑动磨擦条件下涂层的耐磨性，并讨论了其磨损机理。

The plasma clad ceramal composite coating consistsed of primary Cr7C3 and Cr7C3/γ-Fe eutectics. The coating possessed excellent sliding wear resistance under both room and high temperature test conditions.

结果表明：涂层的相组成是Cr7C3增强相和γ-Fe固溶体与少量Cr7C3构成的共晶；涂层在室温和高温干滑动磨擦条件下均具有优良的耐磨性能。

This paper expounds the oxyacetylene flare overlaying welding technology of tungsten carbide rod made to be metal matrix carbide ceramal compound overlaying welding layers.

介绍碳化钨条氧乙炔火焰堆焊制备金属基碳化物陶瓷复合耐磨堆焊层的工艺方法，结合碳化钨条氧乙炔火焰堆焊工艺过程、堆焊层性能特点、泥沙磨损实验结果及显微组织形貌，分析讨论了热源性质对堆焊层性能的影响以及复合耐磨堆焊层的抗泥沙磨损特性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐