一种重燃喷嘴体焊接工艺.doc

101323055A一种重燃喷嘴体焊接工艺，其特征在于：所述重燃喷嘴体焊接工艺包含有如下步骤并依次执行：主体喷嘴壳体焊接步骤、中心气路壳体焊接步骤、整体喷嘴壳体焊接步骤。本发明喷嘴体的焊接技术填补国内空白。可以应用于重型燃气轮机。The invention relates to a welding technology for re-ignition nozzle bodies, which is characterized in that, the welding technology for re-ignition nozzle bodies comprises the following steps which are carried out in sequence: the welding of the main nozzle housing, the welding of the central gas path housing and the welding of the whole nozzle housing. The welding technology for nozzle bodies of the invention has the advantages that, the domestic gap in this field is filled, and the invention can be applied to heavy duty gas turbines.101323056A一种锡球，其中，锡球的锡核由纯锡金属制成，且该锡核外围包覆二种以上金属形成的合金焊料层。本发明中锡球的锡核为纯锡，纯锡的柔软度优于一般以合金作为锡核的锡球的焊点，锡核可以吸收大部分的外力，进而提高了锡球焊点的耐冲击性；其次，纯锡锡核不存在形成介金属化合物的问题，不会有晶粒扩大导致焊点破裂的问题，进而提高了锡球焊点的耐热疲劳性；另外，纯锡锡核锡球在表面焊接过程中可以熔融，可以随着电连接器的翘曲而变形(拉长或压扁)，故易于在电连接器和电路板之间形成焊点。因此，使用本发明锡球的电连接器也具有较佳的电气连接性能。The invention relates to a tin ball, wherein the tin core of the tin ball is made from pure tin, and the thin core is enveloped by an alloy solder layer made from more than two types of metals. The tin ball has the advantages that, the tin core of the tin ball is made from pure tin, and as the softness of pure tin is better than the solder point of the tin ball using alloy as the tin core, the tin core can absorb most external force, and therefore the impact resistance of the solder point of the tin ball is increased; secondly, pure tin core does not form inter-metallic compounds, and solder point fracture caused by grain expansion can be avoided, therefore the thermal fatigue resistance of the solder point of the tin ball is improved; in addition, tin ball with pure tin core can melt during the surface welding process and can deform (become long or flat) with the warp of an electrical connector, so solder point can be easily formed between the electrical connector and a circuit board therefore, the electrical connector provided with the tin ball of the invention also has good electrical connection property.101323057A一种高强度金属芯型无缝药芯焊丝，涉及焊接材料技术领域；本发明可采用现有的钢管拉拔法或在线焊接法无缝药芯焊丝制造技术进行制造，将钢管直径缩小至可获得规定填充率的填充直径，利用振动填充方式从钢管的一端填入填充料后，利用轧辊群和拉丝模具群进行拉丝加工，期间进行中间退火(6502 小时)，本发明的高强度金属芯型无缝药芯焊丝能够满足屈服强度大于785MPa 可满足高强度结构钢焊接的需求。The invention relates to a high strength metal core type seamless flux-cored welding wire belonging to the technical field of welding materials; the invention can be manufactured by the present steel tube drawing or in-service welding seamless flux-cored welding wire manufacturing technology; the diameter of the steel tube is reduced to the extent that the filling diameter of a specified filling rate can be acquired; by using the vibration filling pattern, filler is filled from one end of the steel tube; wire drawing processing is performed by a roller group or a wire drawing die group, and during the period intermediate annealing is carried out (650 DEG C two hours). The high strength metal core type seamless flux-cored welding wire of the invention has the advantage that, yield strength is larger than 785MPa, and the requirements of high strength structure steel welding can be satisfied. 101323058A本发明属于焊接材料技术。提出的酸性药皮超级双相不锈钢焊条采用2507 双相不锈钢丝作为焊芯，焊条药皮成分及含量的质量百分比为：金红石3540，钛白粉37，钾长石1520，金云母13，大理石510，金属粉1620，氟化稀土0.51.5，冰晶石23，铬绿58，纯碱0.51.0，铁合金1.53.5。本发明焊条进行工艺性、金相观察、力学性能和耐蚀性试验的结果显示：焊条具有极佳的焊接工艺性能，焊接时电弧稳定，基本无飞溅，焊缝成型好，脱渣性良好，焊条操作性能优异。经金相观察，焊缝组织中铁素体的含量为4060 ，相比例满足工程应用要求。焊接出的焊缝具有优异的力学性能，抗拉强度可达800MPa以上，良好的低温韧性。焊缝的耐应力腐蚀性、耐点蚀性能优异。The invention relates to an acidic coating super duplex stainless steel welding rod belonging to welding material technology, which is characterized in that, the invention adopts 2507 duplex stainless steel wire as the welding core; the components and the weight percentages of the components of the welding rod coating is that: rutile 3040, titanium dioxide 37, potash feldspar 1520, phlogopite 13, marble 510, metal powder 1620, rare earth fluoride 0.51.5, cryolite 23, chrome green 58, soda 0.51.0 and ferroalloy 1.53.5. The welding rod of the invention has the advantages that, the test results of manufacturability, metallographic observation, mechanical property and corrosion resistance show that, the welding rod has extremely good welding technical property; electric arc is stable during welding, and basically spattering does not exist; weld formation is good; slag detachability is good; the manipulability of the welding rod is excellent; through metallographic observation, the content of ferrite in the weld structure ranges from 40% to 60%, and the phase ratio can meet engineering application requirement; the welded welding seam has excellent mechanical property, and tensile strength can be more than 800 MPa; low temperature toughness is good; the stress corrosion resistance and pitting corrosion resistance of the welding seam are excellent. 101323059A内生Cu6Sn5颗粒增强锡银基无铅复合钎料合金及其制备方法属于微电子行业电子组装用无铅钎料制造技术领域。传统内生法制备的复合钎料中内生颗粒分布不均，影响钎料的工艺和力学性能。本发明的复合钎料由Cu6Sn5增强颗粒和Sn-3.5Ag共晶合金组成，二者的体积百分比分别为20和80。本发明通过将氯化钾和氯化锂按质量比 1.31混合并熔化后，浇在Sn-3.5Ag共晶合金上；待其熔化后，加入Cu、Sn颗粒；熔化后，在450保温，搅拌，静置，以20、2、0.6 或0.1/sec的速率冷却至室温，除去混合盐，得到本发明复合钎料。本发明复合钎料成本低廉，冶炼方便，且具有优良的力学性能和抗蠕变性能。The invention relates to an endogenous Cu6Sn5 particulate reinforced tin and silver based lead-free composite solder alloy and the preparation method, belonging to the lead-free solder manufacturing technical field for electronic assembly in the microelectronic industry. The composite solders prepared by traditional endogenous method have uneven distribution of the endogenetic particles, and the technology and mechanical property of solder are influenced. The composite solder of the invention is composed by Cu6Sn5 reinforced particles and the eutectic alloy of Sn-3.5A; the volume percentages of the two components are respectively 20% and 80%. The utility model is characterized in that, potassium chloride and lithium chloride are mixed and melted according to the weight percentage of 1.3:1, and then poured on the eutectic alloy of Sn-3.5A; when the eutectic alloy of Sn-3.5A is melted, Cu and Sn particles are added; the melted material is preserved at the temperature of 450 DEG C, and then stirring and standing are performed; then the material is rapidly cooled to room temperature at a rate of 20, 2, 0.6 or 0.1 DEG C/sec; the complex solder of the invention is obtained by removing mixed salt. The complex solder of the invention has the advantages of low cost convenient smelting, and good mechanical property and creep resistance. 101323060A一种镁合金中温钎焊材料属于镁合金焊接连接技术领域。现有镁合金钎焊材料大多存在工艺性不好或接头性能差等技术问题。本发明镁合金中温钎焊材料的成分质量百分含量范围如下：Al12.5，Zn4652，余量为Mg。钎料采用熔剂保护法熔炼，采用机械分割、精密铸造、气体保护球磨法可得到块状、条状、粉末状等形式的钎料。该钎料的熔化温度范围为336361，钎焊温度低，为380400，可适应于固相线温度在400以上的镁合金的钎焊。本发明钎料具有优良的钎焊特性，在钎焊温度下，铺展性和间隙填充性良好。适合的钎焊方法包括保护气氛钎焊、感应钎焊、炉中钎焊等。该钎料钎焊AZ31B镁合金接头剪切强度大于52MPa，接头抗拉强度大于72MPa。The invention relates to a magnesium alloy mid-temperature solder, belonging to the technical field of magnesium alloy welding. Most of the prior magnesium alloy solders has poor manufacturability, poor joint properties and other technical problems. The components weigh percentage range of the magnesium alloy mid-temperature solder of the invention is that: A112.5%, Zn 4652%, allowance is Mg. The solder is smelted by the flux protection method; by using mechanical division, precision casting and gas shielded ball milling method, the solders in the forms of block, strip, powder and other forms can be acquired. The melting temperature range of the solder is 336361 DEG C; brazing temperature is low, which is 380400 DEG C, and is suitable for magnesium alloy brazing having a solidus temperature over 400 DEG C. The solder of the invention has the advantages that, brazing characteristics are good, and under the brazing temperature, spreading property and gap filling property are good; suitable brazing methods include protective atmosphere brazing, induction brazing, furnace brazing and other methods; the joint shear strength of brazing AZ31B magnesium alloy of the solder is larger than 52 MPa, and the joint tensile strength is larger than 72 MPa.101323061A本发明涉及一种二硼化镁颗粒增强型锡银锌复合焊料及其制备方法，二硼化镁颗粒增强型锡银锌复合焊料包括锡银锌焊料及质量为锡银锌焊料的 0.011的二硼化镁颗粒，按重量份，锡银锌焊料包括锡8098份、银0.1 5份、锌0.15份。二硼化镁的加入使得锡银锌焊料具有更好的力学性能，可以更好地在热冲击环境工作条件下服役，服役寿命长。本发明的焊料的制备方法为：先制得钮扣状的锡银锌焊料，然后二硼化镁颗粒与钮扣状锡银锌焊料一起，于真空保护下，加热至230280，搅拌均匀后，冷却即得，该方法简单。The invention relates to a magnesium diboride particle reinforced type tin, silver and zinc composite solder and the preparation method. The magnesium diboride particle reinforced type tin, silver and zinc composite solder comprises a tin, silver and zinc solder and the magnesium diboride particles having 0.011% of the weight percentages of the tin, silver and zinc solder; according to weight account, the tin, silver and zinc solder comprises 8098 portions of tin, 0.15 portions of silver and 0.15 portions of zinc. The composite solder has the advantages that, by adding magnesium diboride, the tin, silver and zinc solder has better mechanical property, and can serve better under the working conditions of a thermal shock environment; meanwhile the service life is long. The preparation method of the solder of the invention is that, at first, button shaped tin, silver and zinc solder is prepared; then under vacuum protection, magnesium diboride particles and button shaped tin, silver and zinc solder are heated at 230280 DEG C; after even stirring and cooling, the solder can be acquired, and the method is simple.101323062A本发明涉及一种碳化硅颗粒增强型锡银锌复合焊料及其制备方法。碳化硅颗粒增强型锡银锌复合焊料包括锡银锌焊料及质量为锡银锌焊料的0.011的碳化硅颗粒，按重量份，锡银锌焊料包括锡8098份、银0.15份、锌0.1 5份。碳化硅的加入使得锡银锌焊料具有更好的力学性能，可以更好地在热冲击环境工作条件下服役，服役寿命长。另外，将碳化硅颗粒与钮扣状锡银锌焊料一起，于真空保护下，加热至230280，搅拌均匀后，冷却即可得本发明的碳化硅颗粒增强型锡银锌复合焊料，制备简单。The invention relates to a silicon carbide particle reinforced type tin, silver and zinc composite solder and the preparation method. The silicon carbide particle reinforced type tin, silver and zinc composite solder comprises a tin, silver and zinc solder and the silicon carbide particles having 0.011% of the weight percentages of the tin, silver and zinc solder; according to weight account, the tin, silver and zinc solder comprises 8098 portions of tin, 0.15 portions of silver and 0.15 portions of zinc. The composite solder has the advantages that, by adding silicon carbide the tin, silver and zinc solder has better mechanical property, and can serve better under the working conditions of a thermal shock environment; meanwhile the service life is long. In addition, under vacuum protection, silicon carbide particles and button shaped tin, silver and zinc solder are heated at 230280 DEG C; after even stirring and cooling, the silicon carbide particle reinforced type tin, silver and zinc composite solder can be acquired, and the preparation is simple.101323063A本发明涉及一种铜颗粒增强型锡银锌复合焊料及其制备方法。铜颗粒增强型锡银锌复合焊料包括锡银锌焊料及质量为锡银锌焊料的0.15的铜颗粒，按重量份，锡银锌焊料包括锡8098份、银0.15份、锌0.15份。铜的加入使得锡银锌焊料具有更好的力学性能，可以更好地在热冲击环境工作条件下服役，服役寿命长。本发明的制备铜颗粒增强型锡银锌复合焊料的方法是：首先制得锡银锌焊料，然后将铜颗粒与锡银锌焊料一起，于真空保护下，加热至230280，搅拌均匀后，水冷，制得铜颗粒增强型锡银锌复合焊料，该方法简单。The invention relates to a copper particle reinforced type tin, silver and zinc composite solder and the preparation method. The copper particle reinforced type tin, silver and zinc composite solder comprises a tin, silver and zinc solder and the copper particles having 0.15% of the weight percentages of the tin, silver and zinc solder; according to weight account, the tin, silver and zinc solder comprises 8098 portions of tin, 0.15 portions of silver and 0.15 portions of zinc. The composite solder has the advantages that, by adding copper the tin, silver and zinc solder has better mechanical property, and can serve better under the working conditions in thermal shock environment; meanwhile the service life is long. The preparation method of the copper particle reinforced type tin, silver and zinc composite solder of the invention is that, at first tin, silver and zinc solder is prepared; then under vacuum protection, copper particles and tin, silver and zinc solder are heated at 230280 DEG C; after even stirring and water cooling, the copper particle reinforced type tin, silver and zinc composite solder can be acquired, and the method is simple.101323064A一种抗氧化的Sn-Cu无铅钎料属于电子组装钎焊材料制造技术领域。现有抗氧化Sn-Cu无铅钎料存在成本高，抗氧化性能差等问题。本发明所提供的抗氧化Sn-Cu无铅钎料的组分及其所占重量百分比为：Cu0.11.5、Ni 0.01 1、Ce 0.011、P 0.0011、Ga 0.00010.1、余量为Sn。本发明通过采用相对成本比较低廉的Sn-Cu合金，通过添加微量元素获得抗氧化的Sn-Cu 无铅钎料。与传统的Sn-Cu无铅钎料相比，本发明具有高抗氧化、低出渣、低相对成本、使用性能优越的优点，且在电子组装波峰焊中具有广阔的应用前景。The invention relates to an antioxidant Sn-Cu lead-free solder belonging to the technical field of electronic assembly solder materials. Prior antioxidant Sn-Cu lead-free solder has high cost, weak oxidation resistance and other problems. The components and the weigh percentages of the components of the antioxidant Sn-Cu lead-free solder provided by the invention are that: Cu 0.11.5%, Ni 0.01 1%, Ce 0.01 1%, P0.001 1%, Ga 0.0001 0.1% and allowance is Sn. The antioxidant Sn-Cu lead-free solder has the advantages that, antioxidant Sn-Cu lead-free solder is obtained by adding trace elements to relatively cheap Sn-Cu alloy; compared with traditional Sn-Cu lead-free solder, the invention has the advantages of high anti-oxidation, few slag, low relative cost and excellent service performance; meanwhile, the invention has wide application prospect in electronic assembly wave soldering.101323065A本发明涉及一种自钎剂铝钎料，由铝或铝合金粉末和一种或多种金属卤化物粉末组成，主要用于铝或铜及其合金的钎焊。主要由铝或铝合金粉末和一种或多金属卤化物粉末一次直接压制成丝或管，也可以再将丝绕制或将管切成环，该自钎剂铝钎料本身含有活性物质，能有效避免采用外层合金和芯部助剂组成的药芯铝焊丝所引起的吸潮、使用过程中芯部活性物质的散落以及芯部助剂与外层合金组成不够均匀的问题。The invention relates to a self-flux aluminum solder composed by aluminum or aluminum alloy power, and one or a plurality of metal halide powder, mainly applied to the brazing of aluminum or copper, or other alloys. The invention is mainly characterized in that, aluminum or aluminum alloy power and one or a plurality of metal halide powder are directly pressed into wires or tubes by one time, or the wires can be winded or the tubes can be cut into rings. The self-flux aluminum solder has the advantages that, as the self-flux aluminum solder comprises active materials by itself, so the problems of moisture absorption caused by the flux-cored aluminum welding wire composed by external alloy and heart additive, the fallout of the central active materials during the course of using and the uneven composition of the heart additive and the external alloy can be avoided.101323066A本发明公开了一种激光焊接用合金粉末及其制备方法和在粉末冶金零件、特别是金刚石工具制造中作为激光焊接过渡层的应用。该粉末的组成为Fe73+xCo25Cu2-x，其中0x2，即各金属组分的质量百分数为：73Fe75，Co25，0Cu2，其余组分为不可避免的杂质。与现有技术相比，本发明合金粉末基于合适的组分以及特殊的制备工艺，制备得到的合金粉末具有优良的成分均匀性和足够的烧结反应活性，有力保证了烧结块的性能，特别是激光焊接强度性能，从而有效提高了金刚石工具的使用安全性和可靠性，达到了替代超细钴粉以降低生产成本的目的。The invention discloses an alloy powder for laser welding, the preparation method of the alloy powder, and the application of the alloy powder as a laser welding transition layer in the manufacturing of powder metallurgical parts and in particular diamond tools. The composition of the power is Fe73+xCo25Cu2-x, wherein 0x2; the weight percentages of the metal components are that: 73Fe75, Co=25, 0Cu2, and other components are unavoidable impurities. Compared with prior art, the alloy power of the invention has the advantages that, based on proper components and unique preparation technology, the prepared alloy power has excellent component uniformity and adequate sintering reaction activity; the property of sinter lumps, and particularly the strength performance of laser welding are powerfully guaranteed, therefore the use safety and reliability of diamond tools are effectively improved, and the objective to reduce production cost by replacing ultra-fine cobalt powder is realized.101323067A一种管件对接焊接保护装置，有两个气囊，两气囊与膨胀管连通，通过膨胀管充入气体可使其膨胀而贴紧管壁，充气管贯穿气囊，可向两气囊膨胀后与管壁形成的腔体内充入焊接保护气体，排气管同样贯穿气囊，腔体内空气可从排气管向外界排出。对接焊接管件时，使两气囊分别装于接缝的两侧，由膨胀管向两气囊充气，使膨胀与管件的内壁抵紧与管壁可形成一独立腔体，通过充气管向腔体充入焊接保护气体，同时将腔体内空气由排气管排出，使腔体内充满焊接保护气体即可进行焊接。其既极大地减少了焊接保护气体的用量，同时又大幅地缩短了焊接前空气的排空时间和焊接保护气体的充气时间，提高了焊接的效率。The invention relates to a protection device for pipe fitting butt welding, comprising two balloons communicated with a expandable tubular; by charging gas through the expandable tubular, the expandable tubular expands and closely adheres to the wall of the pipe; a gas filling tube passes through the balloons, which can fill in welding protective gas to the cavity formed by the pipe wall after the two balloons are expanded; an exhaust pipe also passes through the balloons, and the gas in the cavity can be exhausted to the outside by the exhaust pipe. When butt welding of pipe fittings is performed, the two balloons are respectively arranged at both sides of a joint, and the two balloons are charged by gas through the expandable tubular; the bulge and the inner wall of the pipe press closely, and an independent cavity can be formed with the pipe wall; welding protective gas is charged into the cavity by the gas filling tube, meanwhile the air in the cavity is exhausted by the exhaust pipe; when the cavity is completely filled with welding protective gas, welding can be performed. The protection device of the invention has the advantages that, not only is the amount of the welding protective gas greatly reduced, air emptying time before welding and gas filling time of the welding protective gas are also greatly reduced, therefore welding efficiency is improved.101323068A本发明涉及一种降低焊接变形的侧向顶出机构，按照本发明提供的技术方案，在导滑座上开设有，在滑槽内滑动连接有若干滑块，所述滑块的内壁面围成倒锥状的凹腔，在该凹腔内插接有与其吻合的压块，所述压块下段呈倒锥状的杆状体，在导滑座上端面开设有限位凹陷，并在导滑座上设有盖板，在盖板上设有嵌入限位凹陷内的防脱销，在盖板上开设有通孔，汽缸连接轴的底端部穿过该通孔连接在压块的顶端部。本发明使用时，可使工件的焊接变形区域预受力，当焊接完成后工件变形可明显变小，提高工件焊接品质并降低焊接废品率。The invention relates to a lateral ejection mechanism used to reduce welding deformation. According to the technical pro