Silver-free copper based solder and preparation method thereof
The invention relates to a silver-free copper based solder and a preparation method thereof, particularly to the silver-free copper based solder for soldering of compressor case covers and copper tubes. The silver-free copper based solder comprises, by weight, 56-68% of Cu, 29-38% of Zn, 0.5-8% of S...
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creator | WANG XIAOYAN WANG CAIYING SHEN YANG GE HONGQI |
description | The invention relates to a silver-free copper based solder and a preparation method thereof, particularly to the silver-free copper based solder for soldering of compressor case covers and copper tubes. The silver-free copper based solder comprises, by weight, 56-68% of Cu, 29-38% of Zn, 0.5-8% of Sn, 0.5-8% of Mn, 0.1-2% of In and other microelements. The preparation method includes fully melting the Cu, the Sn, the Mn, the In and the other microelements to obtain a master alloy; adding Zn into the cooled master alloy with full stirring; taking the alloy out of a furnace; preparing an ingot through pouring; and preparing the ingot into solder wires through extrusion and drawing. The silver-free copper based solder and the preparation method thereof have the advantages that the soldering temperature is 815-865 DEG C and satisfies the process requirement, high silver based solders can be replaced, the cost is low, and the metallographic grain size after welding is low. |
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The silver-free copper based solder comprises, by weight, 56-68% of Cu, 29-38% of Zn, 0.5-8% of Sn, 0.5-8% of Mn, 0.1-2% of In and other microelements. The preparation method includes fully melting the Cu, the Sn, the Mn, the In and the other microelements to obtain a master alloy; adding Zn into the cooled master alloy with full stirring; taking the alloy out of a furnace; preparing an ingot through pouring; and preparing the ingot into solder wires through extrusion and drawing. The silver-free copper based solder and the preparation method thereof have the advantages that the soldering temperature is 815-865 DEG C and satisfies the process requirement, high silver based solders can be replaced, the cost is low, and the metallographic grain size after welding is low.</description><language>chi ; eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130109&DB=EPODOC&CC=CN&NR=102862003A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130109&DB=EPODOC&CC=CN&NR=102862003A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG XIAOYAN</creatorcontrib><creatorcontrib>WANG CAIYING</creatorcontrib><creatorcontrib>SHEN YANG</creatorcontrib><creatorcontrib>GE HONGQI</creatorcontrib><title>Silver-free copper based solder and preparation method thereof</title><description>The invention relates to a silver-free copper based solder and a preparation method thereof, particularly to the silver-free copper based solder for soldering of compressor case covers and copper tubes. The silver-free copper based solder comprises, by weight, 56-68% of Cu, 29-38% of Zn, 0.5-8% of Sn, 0.5-8% of Mn, 0.1-2% of In and other microelements. The preparation method includes fully melting the Cu, the Sn, the Mn, the In and the other microelements to obtain a master alloy; adding Zn into the cooled master alloy with full stirring; taking the alloy out of a furnace; preparing an ingot through pouring; and preparing the ingot into solder wires through extrusion and drawing. 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The silver-free copper based solder comprises, by weight, 56-68% of Cu, 29-38% of Zn, 0.5-8% of Sn, 0.5-8% of Mn, 0.1-2% of In and other microelements. The preparation method includes fully melting the Cu, the Sn, the Mn, the In and the other microelements to obtain a master alloy; adding Zn into the cooled master alloy with full stirring; taking the alloy out of a furnace; preparing an ingot through pouring; and preparing the ingot into solder wires through extrusion and drawing. The silver-free copper based solder and the preparation method thereof have the advantages that the soldering temperature is 815-865 DEG C and satisfies the process requirement, high silver based solders can be replaced, the cost is low, and the metallographic grain size after welding is low.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
title | Silver-free copper based solder and preparation method thereof |
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