CN100377832C - Cadmium-free silver solder containing gallium and cerium - Google Patents
Cadmium-free silver solder containing gallium and cerium Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及一种含镓和铈的无镉银钎料，特别是涉及一种具有良好的钎焊性能、合适的固-液相线、可替代BAg50CuZnCd、BAg50CuZnCdNi、BAg45CuZn等钎料、适用于紫铜、黄铜、碳钢、不锈钢以及镍基合金等金属材料钎焊的无镉银钎料，该种无镉银钎料具有与传统的含镉银钎料(BAg50CuZnCd、BAg50CuZnCdNi)相当的综合性能，属于金属材料类及冶金领域的钎焊材料。The invention relates to a cadmium-free silver solder containing gallium and cerium, in particular to a solder with good brazing performance, suitable solid-liquidus line, which can replace BAg50CuZnCd, BAg50CuZnCdNi, BAg45CuZn and other solders, suitable for copper , Brass, carbon steel, stainless steel and nickel-based alloys and other metal materials brazing cadmium-free silver solder, this kind of cadmium-free silver solder has comprehensive performance comparable to traditional cadmium-containing silver solder (BAg50CuZnCd, BAg50CuZnCdNi), It belongs to metal materials and brazing materials in the field of metallurgy.
背景技术Background technique
目前使用的银钎料BAg50CuZnCd、BAg50CuZnCdNi，其化学成分中分别含有17.0％-19.0％、15.0％-17.0％的镉(Cd)。由于欧盟“WEEE”和“ROHS”两个指令的颁布，并于2006年7月1日起实施，含镉的材料将不允许在许多家电生产中使用，必须研究开发出不含镉的替代产品。本项发明“一种含镓和铈的无镉银钎料”，即是在这种技术背景下完成的。The currently used silver solders BAg50CuZnCd and BAg50CuZnCdNi contain 17.0%-19.0% and 15.0%-17.0% of cadmium (Cd) in their chemical composition respectively. Due to the promulgation of the EU's "WEEE" and "ROHS" directives, which will be implemented on July 1, 2006, materials containing cadmium will not be allowed to be used in the production of many home appliances, and it is necessary to research and develop alternative products that do not contain cadmium. . The invention "a cadmium-free silver solder containing gallium and cerium" was completed under this technical background.
发明内容Contents of the invention
本项发明的任务是提供一种能在钎焊过程中以及钎焊后的焊接部位完全没有有毒元素镉的、钎焊性能优良、可替代BAg50CuZnCd、BAg50CuZnCdNi、BAg45CuZn等钎料的银钎料。The task of this invention is to provide a kind of silver solder that can completely free of toxic element cadmium in the brazing process and the soldering part after brazing, has excellent brazing performance, and can replace BAg50CuZnCd, BAg50CuZnCdNi, BAg45CuZn and other solders.
本项发明主要解决了下述两个关键技术问题：1)研制开发出无镉的、可替代BAg50CuZnCd、BAg50CuZnCdNi的银钎料，通过优化“含镓和铈的无镉银钎料”的化学成分，得到了对母材润湿性、铺展性优良、钎缝力学性能(σb、τ)好的无镉银钎料；2)在无镉银钎料中加入适量的锡(Sn)、镓(Ga)以降低主成分合金(Ag-Cu-Zn合金)的熔点，同时改善无镉银钎料在紫铜、黄铜、碳钢、不锈钢以及镍基合金上的润湿性，同时加入稀土元素铈(Ce)以细化新发明的无镉银钎料的晶粒，提高无镉银钎料的塑性和综合力学性能。This invention mainly solves the following two key technical problems: 1) develop cadmium-free silver solder that can replace BAg50CuZnCd and BAg50CuZnCdNi, by optimizing the chemical composition of "cadmium-free silver solder containing gallium and cerium" , the cadmium-free silver solder with excellent wettability and spreadability to the base metal and good mechanical properties (σ b , τ) of the brazing joint was obtained; 2) Adding an appropriate amount of tin (Sn), gallium (Ga) to reduce the melting point of the main component alloy (Ag-Cu-Zn alloy), while improving the wettability of cadmium-free silver solder on copper, brass, carbon steel, stainless steel and nickel-based alloys, and adding rare earth elements Cerium (Ce) is used to refine the grains of the newly invented cadmium-free silver solder and improve the plasticity and comprehensive mechanical properties of the cadmium-free silver solder.
解决上述问题的技术方案是，1)、使用市售的白银、电解铜、锌锭、锡锭、金属镓、金属铈，按需要配比，采用常规的中频冶炼炉冶炼、浇铸，然后通过挤压、拉拔，即得到所需要的钎料丝材；2)、根据生产需要，可将锡锭、金属镓、金属铈分别预先冶炼成合金，然后加入银-铜-锌合金中冶炼、浇铸，再通过挤压、拉拔，即得到所需要的钎料丝材。The technical solution to solve the above problems is: 1), use commercially available silver, electrolytic copper, zinc ingot, tin ingot, metal gallium, metal cerium, according to the required proportion, adopt conventional intermediate frequency smelting furnace to smelt, cast, and then pass extrusion 2) According to production needs, tin ingots, metal gallium, and metal cerium can be smelted into alloys in advance, and then added to silver-copper-zinc alloys for smelting and casting , and then through extrusion and drawing, the required brazing wire can be obtained.
本发明的技术特点是，新发明的“含镓和铈的无镉银钎料”，化学成分(质量百分数)为17.0％～21.0％的铜(Cu)，16.0％～20.0％的锌(Zn)，3.0％～6.0％的锡(Sn)，2.0％～5.0％的镓(Ga)，0.001％～0.10％的铈(Ce)，其余为银(Ag)。固相线温度在605℃～615℃范围、液相线温度在635℃～645℃范围；配合FB102(QJ102)钎剂，钎焊材料为下列组合：紫铜-黄铜、黄铜-碳钢、不锈钢-镍基合金，σb＝180～350MPa范围，τ＝160～300MPa范围。The technical feature of the present invention is that the newly invented "cadmium-free silver solder containing gallium and cerium" has a chemical composition (mass percentage) of 17.0% to 21.0% copper (Cu), 16.0% to 20.0% zinc (Zn ), 3.0% to 6.0% of tin (Sn), 2.0% to 5.0% of gallium (Ga), 0.001% to 0.10% of cerium (Ce), and the rest is silver (Ag). The solidus temperature ranges from 605°C to 615°C, and the liquidus temperature ranges from 635°C to 645°C; with FB102 (QJ102) brazing flux, the brazing materials are the following combinations: copper-brass, brass-carbon steel, Stainless steel-nickel-based alloy, σ b =180~350MPa range, τ=160~300MPa range.
采用常规的中频冶炼炉冶炼、浇铸，然后通过挤压、拉拔，即得到所需要的钎料丝材；新发明的含镓和铈的无镉银钎料以BAg50CuZnCd为参照物，配合FB102/QJ102钎剂，钎焊紫铜-黄铜、黄铜-碳钢、不锈钢-镍基合金等材料组合时，对母材的润湿性、铺展性与之相当，钎缝力学性能与之相当(σb＝180～350MPa范围，τ＝160～300MPa范围)。新发明的含镓和铈的无镉银钎料完全没有有害元素镉，有效地保护了操作者的身体安全，消除了对环境的污染。钎料的性能指标(如固-液相线温度、钎缝力学性能)与BAg50CuZnCd、BAg50CuZnCdNi钎料相当，新发明的钎料已作为BAg50CuZnCd、BAg50CuZnCdNi钎料的替代品正在制冷部件生产行业推广应用。Using a conventional intermediate frequency smelting furnace to smelt and cast, and then extruding and drawing to obtain the required solder wire; the newly invented cadmium-free silver solder containing gallium and cerium uses BAg50CuZnCd as a reference, and cooperates with FB102/ QJ102 brazing flux, when brazing copper-brass, brass-carbon steel, stainless steel-nickel-based alloy and other material combinations, has the same wettability and spreadability to the base metal, and the mechanical properties of the brazing seam are equivalent to it (σ b = 180~350MPa range, τ=160~300MPa range). The newly invented cadmium-free silver solder containing gallium and cerium has no harmful element cadmium at all, which effectively protects the operator's physical safety and eliminates environmental pollution. The performance indicators of the solder (such as solid-liquidus temperature and mechanical properties of the solder joint) are equivalent to those of BAg50CuZnCd and BAg50CuZnCdNi solders. The newly invented solder has been used as a substitute for BAg50CuZnCd and BAg50CuZnCdNi solders and is being popularized and applied in the refrigeration component production industry.
具体实施方式Detailed ways
根据本发明的“含镓和铈的无镉银钎料”的质量配方比，叙述本发明的具体实施方式。According to the mass formula ratio of the "cadmium-free silver solder containing gallium and cerium" of the present invention, the specific implementation mode of the present invention is described.
具体实施方式一：Specific implementation mode one:
按质量百分数配比，其成分为：19.0％铜(Cu)，17.0％锌(Zn)，5.0％锡(Sn)，3.0％镓(Ga)，0.10％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.0% copper (Cu), 17.0% zinc (Zn), 5.0% tin (Sn), 3.0% gallium (Ga), 0.10% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在635℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝300±15MPa，τ＝230±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610°C, and the liquidus temperature is about 635°C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =300±15MPa, τ=230±10MPa).
具体实施方式二：Specific implementation mode two:
按质量百分数配比，其成分为：19.0％铜(Cu)，17.0％锌(Zn)，3.0％锡(Sn)，5.0％镓(Ga)，0.10％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.0% copper (Cu), 17.0% zinc (Zn), 3.0% tin (Sn), 5.0% gallium (Ga), 0.10% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在605℃左右、液相线温度在635℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝335±15MPa，τ＝290±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above composition ratio is about 605°C, and the liquidus temperature is about 635°C (experimental error is considered), and FB102 (QJ102) flux is used, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =335±15MPa, τ=290±10MPa).
具体实施方式三：Specific implementation mode three:
按质量百分数配比，其成分为：19.0％铜(Cu)，17.0％锌(Zn)，3.0％锡(Sn)，5.0％镓(Ga)，0.001％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.0% copper (Cu), 17.0% zinc (Zn), 3.0% tin (Sn), 5.0% gallium (Ga), 0.001% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在605℃左右、液相线温度在635℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝300±15MPa，τ＝200±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above composition ratio is about 605°C, and the liquidus temperature is about 635°C (experimental error is considered), and FB102 (QJ102) flux is used, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =300±15MPa, τ=200±10MPa).
具体实施方式四：Specific implementation mode four:
按质量百分数配比，其成分为：19.0％铜(Cu)，17.0％锌(Zn)，5.0％锡(Sn)，3.0％镓(Ga)，0.02％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.0% copper (Cu), 17.0% zinc (Zn), 5.0% tin (Sn), 3.0% gallium (Ga), 0.02% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在615℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝320±15MPa，τ＝240±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 615 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =320±15MPa, τ=240±10MPa).
具体实施方式五：Specific implementation mode five:
按质量百分数配比，其成分为：21.0％铜(Cu)，16.0％锌(Zn)，6.0％锡(Sn)，2.0％镓(Ga)，0.08％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 21.0% copper (Cu), 16.0% zinc (Zn), 6.0% tin (Sn), 2.0% gallium (Ga), 0.08% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在615℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝305±15MPa，τ＝270±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 615 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =305±15MPa, τ=270±10MPa).
具体实施方式六：Specific implementation method six:
按质量百分数配比，其成分为：21.0％铜(Cu)，16.0％锌(Zn)，4.5％锡(Sn)，2.8％镓(Ga)，0.03％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 21.0% copper (Cu), 16.0% zinc (Zn), 4.5% tin (Sn), 2.8% gallium (Ga), 0.03% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在645℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝315±15MPa，τ＝270±10MPa)。The "cadmium-free silver solder containing gallium and cerium" obtained by the above composition ratio has a solidus temperature of about 610°C and a liquidus temperature of about 645°C (experimental error has been considered), and FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =315±15MPa, τ=270±10MPa).
具体实施方式七：Specific implementation mode seven:
按质量百分数配比，其成分为：20.0％铜(Cu)，20.0％锌(Zn)，4.5％锡(Sn)，3.7％镓(Ga)，0.003％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 20.0% copper (Cu), 20.0% zinc (Zn), 4.5% tin (Sn), 3.7% gallium (Ga), 0.003% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在608℃左右、液相线温度在635℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝295±15MPa，τ＝240±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 608 ° C, and the liquidus temperature is about 635 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =295±15MPa, τ=240±10MPa).
具体实施方式八：Specific implementation mode eight:
按质量百分数配比，其成分为：20.0％铜(Cu)，20.0％锌(Zn)，4.5％锡(Sn)，3.7％镓(Ga)，0.008％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 20.0% copper (Cu), 20.0% zinc (Zn), 4.5% tin (Sn), 3.7% gallium (Ga), 0.008% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在608℃左右、液相线温度在635℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝295±15MPa，τ＝240±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 608 ° C, and the liquidus temperature is about 635 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =295±15MPa, τ=240±10MPa).
具体实施方式九：Specific implementation mode nine:
按质量百分数配比，其成分为：17.5％铜(Cu)，18.0％锌(Zn)，5.2％锡(Sn)，3.2％镓(Ga)，0.025％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 17.5% copper (Cu), 18.0% zinc (Zn), 5.2% tin (Sn), 3.2% gallium (Ga), 0.025% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝285±15MPa，τ＝220±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =285±15MPa, τ=220±10MPa).
具体实施方式十：Specific implementation mode ten:
按质量百分数配比，其成分为：19.5％铜(Cu)，17.6％锌(Zn)，4.8％锡(Sn)，3.2％镓(Ga)，0.052％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.5% copper (Cu), 17.6% zinc (Zn), 4.8% tin (Sn), 3.2% gallium (Ga), 0.052% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝305±15MPa，τ＝230±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =305±15MPa, τ=230±10MPa).
具体实施方式十一：Specific implementation mode eleven:
按质量百分数配比，其成分为：17.5％铜(Cu)，18.0％锌(Zn)，5.2％锡(Sn)，3.2％镓(Ga)，0.025％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 17.5% copper (Cu), 18.0% zinc (Zn), 5.2% tin (Sn), 3.2% gallium (Ga), 0.025% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝310±15MPa，τ＝240±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =310±15MPa, τ=240±10MPa).
具体实施方式十二：Specific implementation mode twelve:
按质量百分数配比，其成分为：19.5％铜(Cu)，18.0％锌(Zn)，4.2％锡(Sn)，2.8％镓(Ga)，0.015％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.5% copper (Cu), 18.0% zinc (Zn), 4.2% tin (Sn), 2.8% gallium (Ga), 0.015% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝315±15MPa，τ＝260±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =315±15MPa, τ=260±10MPa).
具体实施方式十三：Specific implementation mode thirteen:
按质量百分数配比，其成分为：20.5％铜(Cu)，17.3％锌(Zn)，4.8％锡(Sn)，3.6％镓(Ga)，0.085％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 20.5% copper (Cu), 17.3% zinc (Zn), 4.8% tin (Sn), 3.6% gallium (Ga), 0.085% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝330±15MPa，τ＝280±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =330±15MPa, τ=280±10MPa).
具体实施方式十四：Specific implementation mode fourteen:
按质量百分数配比，其成分为：19.5％铜(Cu)，16.5％锌(Zn)，4.8％锡(Sn)，3.6％镓(Ga)，0.085％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 19.5% copper (Cu), 16.5% zinc (Zn), 4.8% tin (Sn), 3.6% gallium (Ga), 0.085% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝305±15MPa，τ＝210±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =305±15MPa, τ=210±10MPa).
具体实施方式十五：The fifteenth specific embodiment:
按质量百分数配比，其成分为：20.5％铜(Cu)，17.3％锌(Zn)，4.5％锡(Sn)，2.3％镓(Ga)，0.045％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 20.5% copper (Cu), 17.3% zinc (Zn), 4.5% tin (Sn), 2.3% gallium (Ga), 0.045% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在615℃左右、液相线温度在645℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝345±15MPa，τ＝240±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above composition ratio is about 615°C, and the liquidus temperature is about 645°C (experimental error is considered), and FB102 (QJ102) flux is used, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =345±15MPa, τ=240±10MPa).
具体实施方式十六：Specific implementation mode sixteen:
按质量百分数配比，其成分为：20.5％铜(Cu)，17.3％锌(Zn)，3.6％锡(Sn)，2.2％镓(Ga)，0.005％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 20.5% copper (Cu), 17.3% zinc (Zn), 3.6% tin (Sn), 2.2% gallium (Ga), 0.005% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在615℃左右、液相线温度在645℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝305±15MPa，τ＝210±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above composition ratio is about 615°C, and the liquidus temperature is about 645°C (experimental error is considered), and FB102 (QJ102) flux is used, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =305±15MPa, τ=210±10MPa).
具体实施方式十七：Specific implementation mode seventeen:
按质量百分数配比，其成分为：17.0％铜(Cu)，17.0％锌(Zn)，5.0％锡(Sn)，3.0％镓(Ga)，0.02％铈(Ce)，其余为银(Ag)。According to the proportion by mass percentage, its composition is: 17.0% copper (Cu), 17.0% zinc (Zn), 5.0% tin (Sn), 3.0% gallium (Ga), 0.02% cerium (Ce), the rest is silver (Ag ).
上述成分配比得到的“含镓和铈的无镉银钎料”固相线温度在610℃左右、液相线温度在640℃左右(考虑了实验误差)，配合FB102(QJ102)钎剂，钎焊母材为下列组合时的钎缝强度见括号内数据：紫铜-黄铜(σb＝180±15MPa，τ＝160±10MPa)、黄铜-碳钢(σb＝260±15MPa，τ＝200±10MPa)、不锈钢-镍基合金(σb＝325±15MPa，τ＝260±10MPa)。The solidus temperature of the "cadmium-free silver solder containing gallium and cerium" obtained by the above-mentioned composition ratio is about 610 ° C, and the liquidus temperature is about 640 ° C (considering the experimental error), with FB102 (QJ102) flux, See the data in brackets for the brazing joint strength when the brazing base metal is the following combination: copper-brass (σ b ＝180±15MPa, τ＝160±10MPa), brass-carbon steel ( σb ＝260±15MPa, τ =200±10MPa), stainless steel-nickel-based alloy (σ b =325±15MPa, τ=260±10MPa).
本发明的另一技术特点是，由于新发明的“含镓和铈的无镉银钎料”对钎焊母材紫铜、黄铜、碳钢、不锈钢、镍基合金分别都具有良好的润湿性能，因此上述具体实施方式一至具体实施方式十七中的任何一种含镓和铈的无镉银钎料，在钎焊紫铜-紫铜、紫铜-黄铜、黄铜-碳钢、黄铜-不锈钢、碳钢-不锈钢、碳钢-镍基合金、不锈钢-镍基合金、紫铜-镍基合金、黄铜-镍基合金等不同的组合材料(母材)时，对所钎焊的组合材料(母材)均具有良好的润湿性，且钎焊接头具有良好的综合力学性能。Another technical feature of the present invention is that, because the newly-invented "cadmium-free silver solder containing gallium and cerium" has good wettability to brazing base materials copper, brass, carbon steel, stainless steel, and nickel-based alloys respectively. Performance, therefore any cadmium-free silver solder containing gallium and cerium in the above-mentioned specific embodiment 1 to specific embodiment 17, in brazing red copper-red copper, red copper-brass, brass-carbon steel, brass- Stainless steel, carbon steel-stainless steel, carbon steel-nickel-based alloy, stainless steel-nickel-based alloy, copper-nickel-based alloy, brass-nickel-based alloy, etc. (base metal) have good wettability, and brazed joints have good comprehensive mechanical properties.
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| CN100457368C (en) * | 2006-07-12 | 2009-02-04 | 常熟市华银焊料有限公司 | No-cadmium brazing silver alloy containing Ga and Ce |
| CN100408256C (en) | 2006-11-26 | 2008-08-06 | 常熟市华银焊料有限公司 | Cadmium-free silver solder containing gallium, indium and cerium |
| CN101417375B (en) * | 2007-10-23 | 2010-12-29 | 北京有色金属研究总院 | Leadless welding alloy for welding electronic elements |
| CN101716705B (en) * | 2009-11-26 | 2012-01-25 | 金华市三环焊接材料有限公司 | Multi-alloy cadmium-free phosphor-free copper-based solder |
| CN103480988B (en) * | 2013-09-26 | 2015-08-19 | 郑州机械研究所 | A kind of high tin money base welding rod |
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