硬焊

By the way of melting the filler will also bring the diffusion and the capillary attraction, and that the same or different kinds of metal can be welded well without melting the original material, especially the different ones and the complicated shapes.

利用真空硬焊制程来克服Al、Cu焊接时所产生的困难，藉由填料熔融产生原子扩散及毛细现象在不熔融母材的情况下结合同种或异种金属，尤以异种材质的接合或形状复杂难以接合的工件，皆可达到良好的接合效果。

In a major construction project: 20 million yuan investment in dairy production and snow Dayton Naiyuan base construction, investment 19.8 million yuan Yan Jia Ping bases for dairy cattle, 52.5 million yuan investment in Lanzhou Electric Corporation of digital efficient energy-saving electrical production lines, invest 31 million yuan Vacuum Equipment Corporation Technology Center and expansion of computer application software development projects, investment 53.38 million yuan Lanzhou Waitley welding consumables company Loi-of-hardface alloy to strengthen iron-based product line, invest 65.51 million yuan Co.

在建项目主要有：投资2000万元雪顿乳业生产及奶源基地建设、投资1980万元晏家坪奶牛基地建设、投资5250万元兰州电机集团公司数字化高效节能电机生产线、投资3100万元真空设备公司技术中心扩建及计算机应用软件开发项目、投资5338万元兰州威特利焊材公司莱武式相强化铁基硬面合金生产线、投资6551万元百合实业公司百合口服液生产线、投资9亿元年产50万箱卷烟兰州卷烟厂移址改造建设、投资3.8亿元兰州荣茂公司西北民贸大厦建设、投资4亿元兰州理工大学西校区建设、投资11.3亿元西津广场及旧房改造建设、投资2亿元上西园小区建没项目。

The invention relates to a lamellar seal for sealing a shaft rotating about an axis, especially in a gas turbine, said seal comprising a plurality of lamellae (25) that are interspaced one beneath the other, are arranged in a concentric circle about the axis, and are fixed in the position thereof by means of hard-soldering, the surfaces of the lamellae (25) being oriented essentially parallel to the axis.

本发明涉及一种用于密封特别是燃气轮机上环绕轴线旋转的轴的片式密封，包括大量彼此相距的片(25)，它们设置在环绕轴线的一个同心圆内并借助于硬焊在其位置上定位，其中，片(25)利用其表面基本上与轴线平行定向。

A metallic bond layer material added with rare-earth La used for a high temperature brazing CBN grinding wheel belongs to the technical field of metallic material engineering and relates to the technical field of superhard tool high temperature brazing.

一种添加稀土La的高温钎焊CBN砂轮用金属结合剂层材料，属于金属材料工程技术领域，涉及到超硬工具高温钎焊技术领域。

As the steel carbon and alloy elements working together to make it extremely easy to lead in the welding hardened organization, welding poor performance should be this, pearlitic heat-resistant steel in general preheating before welding, after welding tempered.

由于钢中碳和合金元素的共同作用，使其在焊接时极易形成淬硬组织，焊接性能较差，应此，珠光体耐热钢一般焊前进行预热，焊后进行回火处理。

The technique can be extensively applied to manufacture equipments of optoelectronics and semiconductor industries such as the chamber, susceptor, and cooling plate.

中文摘要本实验采用真空硬焊制程来接合铝合金与无氧铜两种金属材质，其应用於腔体、加热器、冷却板等光电与半导体制程设备。

The characteristics and advantages of monolayer brazed superabrasive tools are introduced.

介绍了单层钎焊超硬磨料工具的特点及优势，综述了国内外钎焊金刚石和立方氮化硼工具的研究现状和研究成果。

On the base of analyses on research of brazed monolayer superabrasive tools, brazed monolayer diamond wheel is pilot study.

在充分分析钎焊超硬磨料砂轮现有研究的基础上，初步研究高温钎焊金刚石砂轮。

At present, brazing technology are widely adopted at home and abroad . In order to verify the availability and applicability of pulse Nd:YAG laser-welding, a comparison is made between the new technology and the present technology in such aspects as the dismantled torsions, the microstructure and the micro-hardness of the weld area and the heat-affected zone, the maintenance of fabrication precision and assembling precision of the components.

本文首次采用灯泵Nd：YAG脉冲激光进行焊接试验，并和硬钎焊获得的拆卸扭矩、焊缝金相组织、显微硬度等进行了综合对比，结果表明，激光焊接能很好地保证支架和支架轴固有的机械性能、耐磨性、加工与装配精度；激光焊连接可靠，耐拆卸扭矩大，符合整体结构性能要求；焊后无需后续处理，可以作为最终工序，验证了激光焊接的有效性、适用性。

From international development trend of copper radiator, braze welding copper automobile radiator has the characteristics such as high quality and low cost and will gradually replace the former soldering copper radiator.

但从国际上铜质散热器发展趋势看，由于硬钎焊铜质散热器具有质量好、成本低等特点将逐步替代原软钎焊铜质散热器，市场前景十分广阔。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。