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CN103769761A - 一种钎料合金及其制备方法 - Google Patents

一种钎料合金及其制备方法 Download PDF

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Publication number
CN103769761A
CN103769761A CN201210406455.4A CN201210406455A CN103769761A CN 103769761 A CN103769761 A CN 103769761A CN 201210406455 A CN201210406455 A CN 201210406455A CN 103769761 A CN103769761 A CN 103769761A
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brazing filler
filler metal
filler alloy
metal alloy
preparing method
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石瑛
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/28Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
    • B23K35/284Mg as the principal constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C23/00Alloys based on magnesium
    • C22C23/04Alloys based on magnesium with zinc or cadmium as the next major constituent

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

本发明提供一种钎料合金及其制备方法。该钎料合金中各成分的质量百分含量为:55%Mg,0.8%Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn。首先按照质量百分含量为55%Mg,0.8%Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn进行配料,将上述配好的放在SF6保护气氛的电炉坩埚中一起加热熔化,当温度升至680℃时,保温10分钟后浇注到预热到200℃的钢锭模中冷却,便得到钎料合金。

Description

一种钎料合金及其制备方法
技术领域
本发明涉及一种合金钎料以及该钎料的制备方法,属于材料加工技术领域。
 
背景技术
钎料是指为实现两种材料或部件的结合,在其间隙内或间隙旁所加的填充物。钎料的熔点必须比焊接的材料熔点低。可用于连接精密、复杂、多铤缝和异类材料的焊接。钎料按熔点高低分为软钎料(熔点低于450℃的钎料)和硬钎料(熔点高于450℃的钎料)。
目前,现有镁合金钎料及其制备中存在成本高、熔点高、工艺性能差等缺点,不佳等问题。
 
发明内容
本发明针对现有技术存在的缺陷,提供一种钎料合金,该钎料合金铺展性好,焊性能好。
本发明的另一目的是提供上述钎料合金的制备方法,该方法工艺简单,适于工业化大批量生产。
本发明的目的是通过以下措施实现的:
一种钎料合金,其合金成分的质量百分含量为:55%Mg,0.8% Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn。
其制备过程如下:
首先按照质量百分含量为55%Mg,0.8% Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn进行配料,将上述配好的放在SF6保护气氛的电炉坩埚中一起加热熔化,当温度升至680℃时,保温10分钟后浇注到预热到200℃的钢锭模中冷却,便得到钎料合金。
本发明相比现有技术具有如下有益效果:
本发明的镁基钎料合金,原料易得,制备工艺简单,钎料合金性能良好。
合金中各元素主要起到以下几方面的作用:
本发明钎料合金中,Bi、Te和Sn本身的熔点均较低,加入它们可降低钎料合金的熔点。
成份中Bi能够很好提高钎料的润湿性,还能更加有效改善了材料的铺展性。
本发明中钎料合金的成份与被焊镁合金成份接近,可提高被焊合金焊点的剪切强度。
具体实施方式
实施例一:
各成份重量百分含量按55%Mg,0.8% Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn进行配料。其中原料中取纯Al锭,纯Mg锭,纯Sn条,纯Be块,纯Te锭纯Bi粉, g纯Zn条,Mg-La中间合金块(其中La的质量百分含量为15%),放在SF6保护气氛的电炉坩埚中,加热熔化,当温度升至680℃时,保温10分钟后浇注到预热到200℃的钢锭模中冷却,便得到钎料合金。
实验数据:
下表为本发明制得的镁基钎料合金的指标参数,具体如下: 
材料 剪切强度(Mpa) 铺展面积(mm2 钎焊工作温度(℃)
如实施例一制得的材料 70 182 395-405

Claims (2)

1.一种钎料合金,该合金成分的质量百分含量为:55%Mg,0.8% Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn。
2.一种钎料合金的制备方法,其制备过程如下:
首先按照质量百分含量为55%Mg,0.8% Al,2%Sn,0.002%Be,0.002%Te,0.3%La,5%Bi,其余为Zn进行配料,将上述配好的放在SF6保护气氛的电炉坩埚中一起加热熔化,当温度升至680℃时,保温10分钟后浇注到预热到200℃的钢锭模中冷却,便得到钎料合金。
CN201210406455.4A 2012-10-23 2012-10-23 一种钎料合金及其制备方法 Pending CN103769761A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002001A (zh) * 2016-06-26 2016-10-12 周荣 一种废弃粉煤灰改性制备镁合金薄带钎料的方法
CN107116315A (zh) * 2017-06-23 2017-09-01 洛阳理工学院 一种镁合金钎焊用钎料及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653880A (en) * 1970-01-08 1972-04-04 Norsk Hydro As Magnesium cast alloys with little tendency to hot-crack
CN101623800A (zh) * 2009-08-17 2010-01-13 南京信息工程大学 镁基钎料合金及其制备方法
CN101628363A (zh) * 2009-08-17 2010-01-20 南京信息工程大学 锌镁基钎料合金及其制备方法
CN102071337A (zh) * 2010-12-10 2011-05-25 北京工业大学 一种镁合金钎料的制备方法
CN102294553A (zh) * 2011-07-21 2011-12-28 北京工业大学 一种含稀土元素Er的镁合金钎料及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653880A (en) * 1970-01-08 1972-04-04 Norsk Hydro As Magnesium cast alloys with little tendency to hot-crack
CN101623800A (zh) * 2009-08-17 2010-01-13 南京信息工程大学 镁基钎料合金及其制备方法
CN101628363A (zh) * 2009-08-17 2010-01-20 南京信息工程大学 锌镁基钎料合金及其制备方法
CN102071337A (zh) * 2010-12-10 2011-05-25 北京工业大学 一种镁合金钎料的制备方法
CN102294553A (zh) * 2011-07-21 2011-12-28 北京工业大学 一种含稀土元素Er的镁合金钎料及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002001A (zh) * 2016-06-26 2016-10-12 周荣 一种废弃粉煤灰改性制备镁合金薄带钎料的方法
CN107116315A (zh) * 2017-06-23 2017-09-01 洛阳理工学院 一种镁合金钎焊用钎料及其制备方法

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Application publication date: 20140507