Abstract : the brazing technology for asynchronous traction motor is introduced from various aspects as the choosing of end - ring and conducting bar materials , solder and flux , brazing joint type and brazing technology 文摘:从端环和导条材料的选择、钎料和钎剂的选择、钎焊接头型式的选择及其钎焊工艺等方面介绍了异步牵引电动机端环与导条的钎焊技术。
This article introduced the development and ti - based brazing material used for titanium alloys , and analyzed the relationship between metallurgical structure and mechanical property of welding joint , mechanical behavior under high temperature 、 corrosion resisting property and fatigue capability of the joint were also represented 本文介绍了钛合金用的钛基钎焊料的发展现状，重点评价了钛基钎料钎焊后组织与力学性能的关系，以及钛基钎料的高温力学性能、耐蚀性以及疲劳性能等。
The company is mainly engaged in the research , devlopment and production of cmc welding material series including weldingwire , welding rod , welding compound , the main prlducts include co2 gas - shielded welding wire , submerged arc welding wire , weathering resistant steel welding wire , coredelectrode , copper & copper alloy welding rod , cast iron welding rod , buttering welding rod , copper base brazing alloy , phosphorus copper brazing alloy , welding flux 430 and welding flux 431 series , 68 kinds and over 100 standards . the company is one of the largest welding material production enterprises in central south china 公司产要产品有： co2气体保护焊丝、埋弧焊丝、耐侯钢焊丝、不锈钢焊丝、铜及铜合金焊丝、铝及铝合金焊丝、结构钢焊条、不锈钢焊条、铸铁焊条、堆焊焊条、铜基钎料、磷铜钎料、焊剂430 、焊剂431等，拥有四大系列六十八个品种一百多种规格焊接材料，是中南地区目前品种规格最全的焊接材料制造企业之一。
Abstract : in the present paper the progress was reviewed in the active filler metals with different temperatures for ceramic to metal brazing and related brazing technique of reducing joining - gap residual stress . it was recommended that the key developing field for our country should be the high temperature active filler with heat - and oxidation - resisting properties . the brazing techniques to reduce joining - gap residual stress and the principles to select transition layers for the joining gap were also introduced 文摘:阐述了陶瓷/金属钎焊用不同温度的活性钎料及以降低焊缝残余应力为中心的钎焊工艺进展；指出：在我国耐高温、抗氧化性优良的高温耐热型活性钎料是重点发展方向；介绍了降低焊缝残余应力的钎焊工艺和焊缝中间添加过渡层的选择原则。
