钴基合金

激光熔覆含B4Cp，SiCp钴基合金涂层的组织与耐磨性能

Microstructure and wear-resistance of laser clad Co-based alloy coatings with B_4C_p and SiC_p

激光熔覆钴基合金和Cr3C2/Co涂层的组织性能

Microstructure and Preference of Laser Cladding Co-based Alloy and Cr_3C_2 / Co Alloy Coating

采用氧乙炔火焰喷熔法在Q235钢表面制备了镍基和钴基合金涂层。

Ni-based and Co-based alloy coatings were made on the Q235 steel substrate by oxyacetylene flame spraying and fusing .

通过合金类型筛选试验和W、Ni等元素含量对结基合金的强度性能及组织状态的影响研究，确定了耐1175～1200℃高温高强度变形钴基合金成分。

The chemical composition of a high strength wrought cobalt base alloy used at 1175-1200 ℃ was defined by the sifting test of alloy type and the investigation of the influence of nickel , tungsten contents onthe alloy 's strength and microstructure .

本文分别采用CO2激光和YAG激光对熔覆高速线材轧辊所用钴基合金开裂进行了研究，主要研究成果如下：激光熔覆工艺参数对钴基合金熔覆层的裂纹敏感性有着重要影响。

In this paper , cracking in CO2 and YAG laser cladding of cobalt-based alloy for high-speed wire roller is studied . The main results are as followings . Processing parameters have significant effect on the cracking susceptibility of Co-base alloy .

H13热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。

With laser cladding Co-base alloy coatings , the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased .

定向凝固钴基合金DZ40M高温缺口疲劳性能及其断口研究

Studies of High-Temperature Notch Fatigue Property and Fracture of a Directional Solidified Co-Base Superalloy

采用真空熔烧法制作与钢基体牢固结合的钴基合金&碳化钨复合涂层，利用扫描电子显微镜（SEM）及X射线衍射仪对涂层的组织结构和表面形貌进行观察与分析；

The WC-Co composite coating bonded strongly with the steel matrix has been made by a vacuum fusion sintering ( VFS ) method . The constitution structure and the morphology of the composite coating have been observed and analyzed by SEM , X-ray diffraction meter and micro-hardness instrument .

钴基合金与锌池中的锌、铝和钢中溶解出来的铁构成一个Zn-Al-Co-Fe四元体系。

Cobalt-based alloys and zinc , aluminum in the baths and iron dissolved out of steel formed a Zn-Al-Co-Fe quaternary system .

铬基合金与钴基合金性能好，硬度高，难加工.通过采用LT55陶瓷刀片加工铬基合金，SG4陶瓷刀片加工钴基合金的试验研究，得出了比较理想的切削参数。

Chromium - base alloys and cobalt - base alloys are of good properties , high hardness , and they are difficult in processing .

基于钴基合金Co20的主要成分，采用双真空冶炼和熔模铸造，试制了铸坯加热炉用钴合金耐热垫块。

Based on the main composition of Co-based superalloy Co-20 , Co-based alloy pillow block for slab heating furnace is manufactured by means of double vacuum smelting and investment casting .

DZ40M钴基合金铝化物涂层在高温氧化过程中的失效特点，是在氧化膜之上产生隆起的深色蚀点。

The failure feature is producing the black protruding corrosion spot on the oxide scale for the aluminide coating on the Co base superalloy DZ40M during high temperature oxidation in air .

利用激光近成形技术，采用钴基合金粉末在金属零件表面进行单道多层熔覆成形试验，获得具有良好外形和尺寸精度2～20mm的薄壁零件。

By laser engineering net shaping ( LENS ) Co - based alloy powder for multi-layer test was melted on a steel substrate , and the thin wall parts 2 ~ 20mm with smooth surface and accurate size was obtained .

试验结果表明：采用Cr-Y、Co-Y中间合金的方式，将稀土元素钇加入到钴基合金敷层中是可行的，且以采用Cr-Y中间合金尤为适宜。

The experimental results indicated that it was feasible to add rare-earth element into Co-base alloy cladding layer by introducing Cr-Y and Co-Y intermediate alloys and that the Cr-Y intermediate alloy was more suitable .

在综合分析的基础上，给出了钴基合金&25vol%WE复合涂层最佳的真空熔烧工艺参数为：熔烧温度为1180℃，保温时间为2min。

On the basis of comprehensive analyses , the vacuum fusing sintering parameters of the Co base alloy-25 vol. % tungsten carbide composite coatings were optimized , with fusing sintering temperature 1180 ℃ and holding time 2 minutes .

测定了DZ40M钴基合金在900～1100℃空气中的氧化动力学曲线，观察分析了各温度下经不同时间氧化后合金的表面氧化物形貌和组成。

The oxidation kinetics of Co based superalloy DZ40M in air at900 ~ 1100 ℃ has been determined , and the oxide compositions at different exposure temperatures for various times have been examined by XRD .

激光熔覆钴基合金组织及其抗腐蚀性能

Study on Microstructure and Corrosion Resistance of Laser Cladding Co-based Alloy

钴基合金中硼的胭脂红直接分光光度法

Direct Spectrophotometric Determination of boron in Cobalt Alloy with Carminic Acid

核级阀门堆焊钴基合金工艺的研究

Research on overlay technology of Co-base alloy on nuclear grade valve

钴基合金-碳化钨复合涂层的耐蚀性能

Corrosion Resistance of Co Based Alloy - tungsten Carbide Composite Coating

钴基合金等离子转移弧堆焊显微结构研究

Microstructure of Cobalt-based Alloy Deposited by with Plasma Transferred Arc Surfacing

稀土对钴基合金及硬质合金的影响

The influence of rare earth on Co-based alloy and cemented carbide

熔融钴基合金中氧活度的快速测定

Quick Measurement of the Activity of Oxygen in Molten Co-based Alloys

镍基合金表面激光熔覆钴基合金涂层的耐磨性能

Wear resistance of laser clad Co-based alloy coating on Ni-based alloy

激光熔覆钴基合金的凝固组织特征及性能研究

Study on Solidification Microstructure and Properties of Cobalt-based Alloy Laser Cladding Layer

化学镀钴基合金镀液中钴的快速测定

Rapid Photometric Determination of cobalt in cobalt-base alloy plating solution

钴基合金涂层热扩散处理试验

Thermal diffusion treatment test for the coating with Co-base alloy

球墨铸铁表面激光熔覆钴基合金涂层的研究

The research of laser cladding Co-base alloy coating on ductile cast iron

对氯偶氮氯膦分光光度法测定钴基合金中微量钇

Spectrophotometric Determination of Microamount Yttrium in Cobalt-Base Alloys with Chlorophosphonazo-p-CI

对于钴基合金这是一种很有前途的表面强化方法。

This is a better surface hardening method on cobalt base alloy .