【正文】 包括錫80～98份、～ 5份、～5份?！?％的碳化硅顆粒，按重量份，錫銀鋅焊料包括錫80～98份、～5份、～ 5份。銅的加入使得錫銀鋅焊料具有更好的力學(xué)性能，可以更好地在熱沖擊環(huán)境工作條件下服役，服役壽命長(zhǎng)。本發(fā)明所提供的抗氧化SnCu無(wú)鉛釬料的組分及其所占重量百分比為：～％、Ni ～ 1％、Ce ～1％、P ～1％、Ga ～％、余量為Sn。該粉末的組成為FeSUB73+x/SUBCoSUB25/SUBCuSUB2x/SUB，其中0≤x＜2，即各金屬組分的質(zhì)量百分?jǐn)?shù)為：73≤Fe＜75，Co＝25，0＜Cu≤2，其余組分為不可避免的雜質(zhì)。 by charging gas through the expandable tubular, the expandable tubular expands and closely adheres to the wall of the pipe。 a plurality of sliders are slide connected in the sliding chute。本發(fā)明的全互換快裝塔節(jié)連接耳板焊接工裝，提高裝配質(zhì)量、降低變形超差、解決運(yùn)輸困難、提高工作效率、實(shí)現(xiàn)高效互換的主弦桿連接耳板焊接工裝。 a plurality of positioning brackets are arranged at the upper ends and the lower ends of the two sides of the box plate。 the bottom end of a cylinder connecting shaft passes through the through hole and is connected with the top of the press piece. The lateral ejection mechanism has the advantages that, during use, the welding deformation area of a workpiece receives force in advance, and when welding is pletely, workpiece deformation is obviously reduced。本發(fā)明使用時(shí)，可使工件的焊接變形區(qū)域預(yù)受力，當(dāng)焊接完成后工件變形可明顯變小，提高工件焊接品質(zhì)并降低焊接廢品率。其既極大地減少了焊接保護(hù)氣體的用量，同時(shí)又大幅地縮短了焊接前空氣的排空時(shí)間和焊接保護(hù)氣體的充氣時(shí)間，提高了焊接的效率。主要由鋁或鋁合金粉末和一種或多金屬鹵化物粉末一次直接壓制成絲或管，也可以再將絲繞制或?qū)⒐芮谐森h(huán)，該自釬劑鋁釬料本身含有活性物質(zhì)，能有效避免采用外層合金和芯部助劑組成的藥芯鋁焊絲所引起的吸潮、使用過(guò)程中芯部活性物質(zhì)的散落以及芯部助劑與外層合金組成不夠均勻的問(wèn)題。 after even stirring and water cooling, the copper particle reinforced type tin, silver and zinc posite solder can be acquired, and the method is simple.101323064A一種抗氧化的SnCu無(wú)鉛釬料屬于電子組裝釬焊材料制造技術(shù)領(lǐng)域。 after even stirring and cooling, the silicon carbide particle reinforced type tin, silver and zinc posite solder can be acquired, and the preparation is simple.101323063A本發(fā)明涉及一種銅顆粒增強(qiáng)型錫銀鋅復(fù)合焊料及其制備方法。 then under vacuum protection, magnesium diboride particles and button shaped tin, silver and zinc solder are heated at 230~280 DEG C。 brazing temperature is low, which is 380~400 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。本發(fā)明鎂合金中溫釬焊材料的成分質(zhì)量百分含量范圍如下：Al1～％，Zn46～52％，余量為Mg。本發(fā)明復(fù)合釬料成本低廉，冶煉方便，且具有優(yōu)良的力學(xué)性能和抗蠕變性能。 the manipulability of the welding rod is excellent。經(jīng)金相觀察，焊縫組織中鐵素體的含量為40～60 ％，相比例滿足工程應(yīng)用要求。 in addition, tin ball with pure tin core can melt during the surface welding process and can deform (bee 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一種高強(qiáng)度金屬芯型無(wú)縫藥芯焊絲，涉及焊接材料技術(shù)領(lǐng)域；本發(fā)明可采用現(xiàn)有的鋼管拉拔法或在線焊接法無(wú)縫藥芯焊絲制造技術(shù)進(jìn)行制造，將鋼管直徑縮小至可獲得規(guī)定填充率的填充直徑，利用振動(dòng)填充方式從鋼管的一端填入填充料后，利用軋輥群和拉絲模具群進(jìn)行拉絲加工，期間進(jìn)行中間退火(650℃2 小時(shí))，本發(fā)明的高強(qiáng)度金屬芯型無(wú)縫藥芯焊絲能夠滿足屈服強(qiáng)度大于785MPa 可滿足高強(qiáng)度結(jié)構(gòu)鋼焊接的需求。101323055A一種重燃噴嘴體焊接工藝，其特征在于：所述重燃噴嘴體焊接工藝包含有如下步驟并依次執(zhí)行：主體噴嘴殼體焊接步驟、中心氣路殼體焊接步驟、整體噴嘴殼體焊接步驟。 secondly, pure tin core does not form intermetallic pounds, 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。本發(fā)明焊條進(jìn)行工藝性、金相觀察、力學(xué)性能和耐蝕性試驗(yàn)的結(jié)果顯示：焊條具有極佳的焊接工藝性能，焊接時(shí)電弧穩(wěn)定，基本無(wú)飛濺，焊縫成型好，脫渣性良好，焊條操作性能優(yōu)異。 slag detachability is good。本發(fā)明通過(guò)將氯化鉀和氯化鋰按質(zhì)量比 ∶1混合并熔化后，；待其熔化后，加入Cu、Sn顆粒；熔化后，在450℃保溫，攪拌，靜置，以 ℃/sec的速率冷卻至室溫，除去混合鹽，得到本發(fā)明復(fù)合釬料。現(xiàn)有鎂合金釬焊材料大多存在工藝性不好或接頭性能差等技術(shù)問(wèn)題。 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 336~361 DEG C。 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。 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 230~280 DEG C。 then under vacuum protection, copper par