碳化钨

碳化钨具有类铂催化性能和较强的抗中毒能力，但其催化活性远低于铂等贵金属催化剂。

Tungsten carbide bears an analogy of the catalytic capability of noble metal Pt , and higher ability to resist very strong catalytic poisons , but its catalytic activity is much lower than that of noble metal .

激光熔覆Ni包铸造碳化钨提高材料的耐磨性

Improvement on Wear-resistance by Ni-coated Cast Tungsten Carbide laser Cladding Layer

真空熔烧工艺参数对Co基合金&碳化钨复合涂层组织结构和性能的影响

Influence of vacuum fusing sintering parameters on the microstructures and properties of Co base Alloy-Tungsten carbide composite coatings

碳化钨粒径的大小是影响其催化活性的主要因素，在碳化钨中掺杂Ni，也能提高其催化活性。

Particle size of tungsten carbide is one of the important factors influencing on the electrochemical reactions .

真空熔覆Ni基合金碳化钨和Co基合金碳化钨复合涂层的制备及性能研究

Study on the Preparation and Properties of Vacuum Fusion Sintered WC / Ni and WC / Co Composite Coatings

标准加入原子吸收法测定碳化钨中微量Fe，Mg，Ca，K和Na的含量

Determination of trace Fe , Mg , Ca , K , Na in tungsten carbide by standard addition FAAS

研究发现用碳化钨钵体细碎地质样品除了对Co产生明显污染外，不会对其他所测定的微量元素产生污染。

Compared with agate pot , tungsten carbide has no apparent contamination to grind geological samples for measured trace elements except Co.

碳化钨负载的S2O8~（2-）/ZrO2催化剂的表征与催化活性研究

Characterization and Catalytic Properties of S_2O_8 ~ ( 2 - ) / ZrO_2 Supported by Tungsten Carbides

Y2O3对多道搭接镍基碳化钨金属陶瓷激光熔覆层的影响

Effect of Y_2O_3 on the Multi - track - joined Ni - WC Alloy Coatings by Laser Cladding

碳化钨负载S2O8~（2-）/ZrO2固体超强酸催化剂上的正戊烷反应研究

Studies of n-Pentane Reaction on Tungsten Carbides Promoted S_2O_8 ~ ( 2 - ) / ZrO_2 Solid Superacid Catalysts

实验证明：负载少量Pt碳化钨复合材料对甲醇的催化活性比单纯的Pt更好。

The experimental results demonstrate that the Pt-WC / C has better electro-oxidation activity on methanol than that of Pt .

CeO2、Y2O3和MgO对镍基碳化钨金属陶瓷熔覆层裂纹及组织的影响

The Effect of CeO_2 、 Y_2O_3 and MgO on The Crack Tendency and Microstructure of Ni / WC Cladding Layer

从基体成分对碳化钨颗粒溶解的影响研究得出：基体中C含量的增加将会抑制碳化钨颗粒在基体中溶解，而Cr含量的增加可以促进WC颗粒的溶解。

The increase of C content will suppress dissolution of WC in the matrix , whereas the increase of C content will enhance dissolution of WC in the matrix .

本文论述活性碳化钨（WC）在酸性电解液中的电化学阳极行为。

This paper deals with the anodic behaviour of the embedded electrode of active tungsten carbide ( WC ) in acidic electrolytes .

碳化钨及其混合物的冲击Hugoniot数据计算

The Calculation of Shock Hugoniot Data of Tungsten Carbide And its Mixture

采用氧-乙炔焰喷熔工艺制备了碳化钨（WC）颗粒增强镍基合金喷熔层，研究了它的腐蚀磨损行为。

Ni-based alloy coatings reinforced by WC particles were prepared by oxygen-acetylene spray-welding technology . The corrosive wear behavior of the coatings was investigated .

用真空熔烧方法在钢表面上获得不同碳化钨含量的Co基合金－WC复合涂层。

Using vacuum fusing sintering method , a series of Co base alloy-tungsten carbide composite coatings with different tungsten carbide contents have been obtained on the surface of steel .

碳化钨（WC）是硬质合金的重要组成部分，WC的晶粒尺寸对硬质合金的性能有着重要的影响。

Tungsten carbide ( WC ) is one major part of cemented carbide . WC grain size has an important effect on properties of cemented carbide .

以W（18）O（49）为原料用传统工艺制取超细钨粉、超细碳化钨粉是合理的、先进的。

And therefore , The production of ultrafine tungsten powder and ultrafine tungsten carbide powder from W_ ( 18 ) O_ ( 49 ) is both more reasonable and advanced in the conventional process .

N2吸附结果显示，碳化钨样品的BET表面积为150m2／g，孔径分布主要集中在3～5nm范围内。

By nitrogen adsorption technology , the sample has a high specific surface area of 150 m2 / g and an averaged pore size of 3-5 nm .

在WC-Co涂层中，随着涂层厚度的增加，碳化钨分解减少，涂层硬度增加。

In the WC-Co coating , by increasing of the coating thickness , decompose of tungsten carbide decreases but hardness of the coating increased .

运用原子力显微镜（AFM）对超细碳化钨-钴硬质合金的表面形貌进行了观察、缺陷和粒度分析，同时对合金的力学性能进行了测试。

The topographies , grain size distribution and microstructure limitation of ultrafine tungsten carbide-cobalt cemented carbide are observed using atomic force microscope ( AFM ), and mechanical properties are also investigated .

碳化钨（WC）具有独特的类铂催化活性、酸碱介质中的稳定性以及不易失活等优点，被广泛应用于催化加氢、脱氢、异构化，电化学等领域。

Tungsten carbide ( WC ) has been considerably studied in hydrogenation , dehydrogenation , isomerization and fuel cells because of its Pt-like catalytic activities , excellent stability and resistant inactivation .

碳化钨（WC）钵体是目前地质样品细碎最常用的器皿，但是对它的元素污染情况不是很清楚。

Some conclusions are listed as following : 1 The tungsten carbide mortars are widely used to grind geological sample , but the degree of element contamination is not well known .

间歇式法制备碳化钨的最佳工艺条件为：CO流量480mL/h·gH2WO4，CO248mL/h·gH2WO4；

The better conditions for preparing tungsten carbides at batch mode were as follows : flux of CO and CO_2 were 480 mL / h-g H_2WO_4 and 48 mL / h · g H_2WO_4 , respectively ;

对碳化钨薄膜的场发射IV特性及FowlerNordheim曲线进行测量和计算；

Typical field emission patterns of tungsten carbide thin film is observed , and its I V behavior and Fowler Nordheim plot is measured .

RF-PCVD法制备纳米碳化钨微晶的研究

Research on preparing nano tungsten carbide microcrystal by RF-PCVD

合适的碳化钨硬质合金层厚度范围应在0.5~1.5mm之间，最佳的厚度应该是1mm左右。

The appropriate thickness of WC cemented carbide layer is between 0.5 ~ 1.5 mm , and the optimal thickness is about 1 mm .

叙述了等离子喷涂碳化钨（WC）涂层与不同材料组成摩擦副的静摩擦性能。

The coefficient of static friction of friction pairs , which were composed of plasma sprayed tungsten carbide coating and aluminium alloy , titanium alloy and plasma sprayed titanium coatings , respectively , were examined .

采用CO2激光器在A3钢上进行镍基碳化钨金属陶瓷的激光熔覆试验，研究了不同复合粉末成分及激光熔覆工艺条件下熔覆层中碳化钨的熔化烧损规律。

A 2 kW CO2 laser has been used to deposit Ni based WC alloy onto steel A3 substrate . The effects of ceramic-metal ingredient and laser processing conditions on the heat damage of coatings are studied .