CN103722264A - 一种5052铝合金的钎焊工艺 - Google Patents
一种5052铝合金的钎焊工艺 Download PDFInfo
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- CN103722264A CN103722264A CN201310575380.7A CN201310575380A CN103722264A CN 103722264 A CN103722264 A CN 103722264A CN 201310575380 A CN201310575380 A CN 201310575380A CN 103722264 A CN103722264 A CN 103722264A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/282—Zn as the principal constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
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Abstract
本发明涉及一种钎焊工艺,尤其是一种5052铝合金的钎焊工艺。其步骤包括钎料选择、材料清洗、钎焊、焊后处理。用此工艺焊接的5052铝合金制件具有良好的机械性能和力学性能。它具有操作步骤简单、方便、易于掌握的特点,是一种品质优良的5052铝合金的钎焊工艺。
Description
技术领域
本发明涉及一种钎焊工艺,尤其是一种5052铝合金的钎焊工艺。
背景技术
5052铝合金具有很高的塑性、中等强度、优良的抗腐蚀性能,适宜压力加工。但由于其熔化温度较低,故其钎焊性很差,致使5052铝合金的应用受到很大局限。
发明内容
本发明旨在解决上述问题,提供了一种5052铝合金的钎焊工艺,重点是选择4343铝合金作为钎料进行焊接,它操作步骤简单、方便、易于掌握、合格率高,其采用的技术方案如下:
一种5052铝合金的钎焊工艺,其步骤依次为:
a) 钎料选择:钎料选用4343铝合金,牌号CT760,主要成分(单位:wt%)Zn58,Cd39.2,Ag0.8,Cu2,熔化温度为275~365℃;
b) 材料清洗:将基体金属和钎料在60℃温度下用5%(质量分数)的氢氧化钠溶液浸泡1-2分钟除掉表面杂质和油污,再用大量水冲洗后干燥;
c) 钎焊:具体步骤依次为:
(1)将钎剂用分析纯的乙醇稀释成糊状;
(2)将钎剂刷涂于待焊面上,并放置钎料;
(3)将真空钎焊炉温度预设至410℃,接通电源,开始升温;
(4)升到预定温度后,将装配好的工件放入炉子中加热,使工件均匀达到炉温,保温15~20分钟;
(5)关闭电源,炉中冷却;
(6)取出工件;
d) 焊后处理:用清水冲洗出去工件表面残留钎剂,再用10%硝酸溶液浸洗5-15分钟,干燥。
本发明具有如下优点:操作步骤简单、方便、易于掌握、合格率高,用此工艺焊接的5052铝合金制件具有良好的机械性能和力学性能。
附图说明
图 1:本发明的钎焊工艺流程图;
具体实施方式
下面结合附图和实例对本发明作进一步说明:
一种5052铝合金的钎焊工艺,其步骤依次为:
a) 钎料选择:钎料选用4343铝合金,牌号CT760,主要成分(单位:wt%)Zn58,Cd39.2,Ag0.8,Cu2,熔化温度为275~365℃;
b) 材料清洗:将基体金属和钎料在60℃温度下用5%(质量分数)的氢氧化钠溶液浸泡1-2分钟除掉表面杂质和油污,再用大量水冲洗后干燥;
c) 钎焊:具体步骤依次为:
(1)将钎剂用分析纯的乙醇稀释成糊状;
(2)将钎剂刷涂于待焊面上,并放置钎料;
(3)将真空钎焊炉温度预设至410℃,接通电源,开始升温;
(4)升到预定温度后,将装配好的工件放入炉子中加热,使工件均匀达到炉温,保温15~20分钟;
(5)关闭电源,炉中冷却;
(6)取出工件;
d) 焊后处理:用清水冲洗出去工件表面残留钎剂,再用10%硝酸溶液浸洗5-15分钟,干燥。
上面以举例方式对本发明进行了说明,但本发明不限于上述具体实施例,凡基于本发明所做的任何改动或变型均属于本发明要求保护的范围。
Claims (1)
1.一种5052铝合金的钎焊工艺,其特征在于,所述的钎焊工艺步骤依次为:
a) 钎料选择:钎料选用4343铝合金,牌号CT760,主要成分(单位:wt%)Zn58,Cd39.2,Ag0.8,Cu2,熔化温度为275~365℃;
b) 材料清洗:将基体金属和钎料在60℃温度下用5%(质量分数)的氢氧化钠溶液浸泡1-2分钟除掉表面杂质和油污,再用大量水冲洗后干燥;
c) 钎焊:具体步骤依次为:
(1)将钎剂用分析纯的乙醇稀释成糊状;
(2)将钎剂刷涂于待焊面上,并放置钎料;
(3)将真空钎焊炉温度预设至410℃,接通电源,开始升温;
(4)升到预定温度后,将装配好的工件放入炉子中加热,使工件均匀达到炉温,保温15~20分钟;
(5)关闭电源,炉中冷却;
(6)取出工件;
d) 焊后处理:用清水冲洗出去工件表面残留钎剂,再用10%硝酸溶液浸洗5-15分钟,干燥。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105855657A (zh) * | 2016-04-14 | 2016-08-17 | 兴化市中兴电器制造有限公司 | 一种铝漆包线焊锡方法 |
CN109894397A (zh) * | 2019-03-26 | 2019-06-18 | 浪潮商用机器有限公司 | 一种pcb板中助焊剂的清洗方法 |
CN110756939A (zh) * | 2019-09-29 | 2020-02-07 | 无锡凯美锡科技有限公司 | 6061铝合金真空钎焊加工工艺 |
CN114211077A (zh) * | 2022-01-23 | 2022-03-22 | 上海三达汽车配件有限公司 | 一种钎焊料镶嵌技术 |
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2013
- 2013-11-18 CN CN201310575380.7A patent/CN103722264A/zh active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105855657A (zh) * | 2016-04-14 | 2016-08-17 | 兴化市中兴电器制造有限公司 | 一种铝漆包线焊锡方法 |
CN109894397A (zh) * | 2019-03-26 | 2019-06-18 | 浪潮商用机器有限公司 | 一种pcb板中助焊剂的清洗方法 |
CN110756939A (zh) * | 2019-09-29 | 2020-02-07 | 无锡凯美锡科技有限公司 | 6061铝合金真空钎焊加工工艺 |
CN114211077A (zh) * | 2022-01-23 | 2022-03-22 | 上海三达汽车配件有限公司 | 一种钎焊料镶嵌技术 |
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