查询词典 fluxing

Co-base self-fluxing alloy was deposited on helical land as cutting lip of end mill which body was made of 45# steel by laser cladding with synchronous feeder.

采用同步送粉激光熔覆方法，在45#钢立铣刀坯材的刃带部位，熔覆一层钴基自熔合金作为立铣刀的加工刃。

The laser cladding technology on the surface of 35 steel with Ni-based self-fluxing alloy is studied. On the base of its microstructure and property of wear resistance, the cladding technology is greatly improved than that of the flame. By the studies of microstructure, mechanical property and corrosion resistance, the cladding layer with different amount of WC particle in Ni matrix is obtained.

试验针对抽油泵柱塞表面进行研究，在35 钢表面激光熔覆镍基自熔合金，通过改变工艺参数，观察并测定熔覆层的组织结构及其腐蚀、磨损性能，并与火焰喷焊工艺进行性能比较，优化工艺参数，研究结果具有实际意义。

Keywords laser cladding;Ni60 self-fluxing alloy;microstructure

激光熔覆； Ni60自熔合金；组织结构

Keywords reactive braze coating;chromium carbide;composite coating;Fe-based self-fluxing alloy

反应钎涂；碳化铬；复合涂层；铁基自熔合金

Vacuum fusion sintering,NiCrBSi self-fluxing alloy,rare earth element,microstructure,wear resistance

中文关键词：真空熔结；NiCrBSi自熔合金；稀土元素；微观组织；耐磨性

The Ni-based self-fluxing alloy powder coposite coating was produced on the substrate of ferrite and pearite base gray iron by the general electrical resistance furnace with graphite protection successfully.

用普通电阻炉加石墨保护的方法成功地在铁素体基灰铸铁及珠光体基灰铸铁基体上制备了镍基自熔性合金粉末复合材料。

Adding strong-carbide-formation elements to Ni-based self-fluxing alloy powder,composite coatings were obtained,which were reinforced by in-situ synthesized particles on CrCuB alloy gray iron substrate by laser cladding.

针对车用内燃机排气门座圈高温、高交变应力和高腐蚀性工况，采用添加了强碳化物形成元素的镍基自熔合金粉末，通过激光熔覆，在CrCuB合金灰铸铁基体上制备了原位合成的颗粒增强镍基复合涂层。

Using plasma cladding technology, different content SiC ceramic powder and Ni-based self-fluxing powder on W6 steel were plasma-claded in order to obtain Ni-based SiC alloys coating.

为了制备符合热锻模使用性能要求的模膛表面强化层，采用等离子熔覆技术，以W6为基体，在基体表面对不同含量SiC陶瓷粉末、Ni基自熔性粉末进行等离子熔覆，得到Ni基SiC合金涂层。

Self-fluxing, and the spray wetting of the fine, and relatively low melting point, spray welding layer has high hardness, corrosion resistance, wear-resisting, heat-resistant characteristics of iron content higher than the cutting HQ.

自熔性、润湿性和喷焊性优良，而且熔点比较低，喷焊层具有硬度高、耐蚀、耐磨、耐热特点，含铁量高于HQ。

Self-fluxing Fe-Cr-Ni-B-Si alloy prowders are laser clad on medium carbon steel substrate of dimensions 80×35×10mm〓. The investigation results of this clad layer are: micro-defects, micro-cavity and occluded forin substance, are the micro-cracks and crack resourses in clad layer; crack of coating propagates along the boundary of two kinds of eutectic sutructure; The included angle θ between the cracking direction and laser scanning direction in multitrack overlapping clad is smaller than that in one-track clad because of crack propagating along crystalline growth direction and crystalline direction in overlapping zone being different from it in one-track clad.

在调质态的45〓钢表面，采用预置粉末法进行FeCrNiBSi合金的多道搭接激光熔覆，对其熔覆层进行分析表明：多道搭接激光熔覆层裂纹扩展方向与激光扫描方向间的夹角θ与单道熔覆时相比明显变小，前者θ0°，后者θ角基本都为90°，这主要是因为多道搭接时，搭接区结晶方向发生了变化以及裂纹沿结晶方向扩展所致；激光熔覆层裂纹大多是以覆层与基材交界面的孔洞、熔覆层内不同方向共晶团间的显微缩孔、夹杂物的边界等三种显微缺陷作为裂纹源，并沿低熔点物相形成元素偏析造成弱化膜的共晶团界面扩展延伸。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。