Cold gas sprayed filler coatings for brazing of light alloys
Application of cold gas spraying to the deposition of braze filler coatings has been investigated. Different light weight alloy substrates, i.e. aluminium AA1050, AA3005, AA5754, AA7022, magnesium AZ91 and titanium Ti-6Al-4V, were used. Filler coating materials depend on the substrate melting temper...
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| Veröffentlicht in: | Surface engineering 2006-04, Vol.22 (2), p.98-102 |
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| container_title | Surface engineering |
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| creator | Wielage, B. Grund, T. Ahrens, S. Wank, A. Trommer, F. |
| description | Application of cold gas spraying to the deposition of braze filler coatings has been investigated. Different light weight alloy substrates, i.e. aluminium AA1050, AA3005, AA5754, AA7022, magnesium AZ91 and titanium Ti-6Al-4V, were used. Filler coating materials depend on the substrate melting temperature. Therefore, for aluminium alloys Al-12Si zinc based fillers are used for AZ91 pure zinc and for Ti-6Al-4V different Cu-Ni blends are used. Cold gas spraying process parameters are varied with regard to process gas (nitrogen) temperature and pressure, powder feedrate and spray distance. Correlation of the process characteristics to economical aspects is given. The viability of the filler coatings produced is illustrated by different optimised brazing/soldering processes. In the case of aluminium braze joints a full metallographical investigation was carried out by optical and scanning electron microscopy as well as EDX analyses. The results obtained are compared with those of conventional filler material additions. |
| doi_str_mv | 10.1179/174329406X98386 |
| format | Article |
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Different light weight alloy substrates, i.e. aluminium AA1050, AA3005, AA5754, AA7022, magnesium AZ91 and titanium Ti-6Al-4V, were used. Filler coating materials depend on the substrate melting temperature. Therefore, for aluminium alloys Al-12Si zinc based fillers are used for AZ91 pure zinc and for Ti-6Al-4V different Cu-Ni blends are used. Cold gas spraying process parameters are varied with regard to process gas (nitrogen) temperature and pressure, powder feedrate and spray distance. Correlation of the process characteristics to economical aspects is given. The viability of the filler coatings produced is illustrated by different optimised brazing/soldering processes. In the case of aluminium braze joints a full metallographical investigation was carried out by optical and scanning electron microscopy as well as EDX analyses. The results obtained are compared with those of conventional filler material additions.</description><identifier>ISSN: 0267-0844</identifier><identifier>EISSN: 1743-2944</identifier><identifier>DOI: 10.1179/174329406X98386</identifier><identifier>CODEN: SUENET</identifier><language>eng</language><publisher>London, England: Taylor & Francis</publisher><subject>Applied sciences ; BRAZING ; Brazing. Soldering ; CAB ; COLD GAS SPRAYING ; Exact sciences and technology ; FILLER APPLICATION ; Joining, thermal cutting: metallurgical aspects ; LIGHT WEIGHT ALLOYS ; Metals. 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Different light weight alloy substrates, i.e. aluminium AA1050, AA3005, AA5754, AA7022, magnesium AZ91 and titanium Ti-6Al-4V, were used. Filler coating materials depend on the substrate melting temperature. Therefore, for aluminium alloys Al-12Si zinc based fillers are used for AZ91 pure zinc and for Ti-6Al-4V different Cu-Ni blends are used. Cold gas spraying process parameters are varied with regard to process gas (nitrogen) temperature and pressure, powder feedrate and spray distance. Correlation of the process characteristics to economical aspects is given. The viability of the filler coatings produced is illustrated by different optimised brazing/soldering processes. In the case of aluminium braze joints a full metallographical investigation was carried out by optical and scanning electron microscopy as well as EDX analyses. The results obtained are compared with those of conventional filler material additions.</description><subject>Applied sciences</subject><subject>BRAZING</subject><subject>Brazing. Soldering</subject><subject>CAB</subject><subject>COLD GAS SPRAYING</subject><subject>Exact sciences and technology</subject><subject>FILLER APPLICATION</subject><subject>Joining, thermal cutting: metallurgical aspects</subject><subject>LIGHT WEIGHT ALLOYS</subject><subject>Metals. 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Metallurgy</topic><topic>Production techniques</topic><topic>Surface treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wielage, B.</creatorcontrib><creatorcontrib>Grund, T.</creatorcontrib><creatorcontrib>Ahrens, S.</creatorcontrib><creatorcontrib>Wank, A.</creatorcontrib><creatorcontrib>Trommer, F.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Surface engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wielage, B.</au><au>Grund, T.</au><au>Ahrens, S.</au><au>Wank, A.</au><au>Trommer, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cold gas sprayed filler coatings for brazing of light alloys</atitle><jtitle>Surface engineering</jtitle><date>2006-04-01</date><risdate>2006</risdate><volume>22</volume><issue>2</issue><spage>98</spage><epage>102</epage><pages>98-102</pages><issn>0267-0844</issn><eissn>1743-2944</eissn><coden>SUENET</coden><abstract>Application of cold gas spraying to the deposition of braze filler coatings has been investigated. Different light weight alloy substrates, i.e. aluminium AA1050, AA3005, AA5754, AA7022, magnesium AZ91 and titanium Ti-6Al-4V, were used. Filler coating materials depend on the substrate melting temperature. Therefore, for aluminium alloys Al-12Si zinc based fillers are used for AZ91 pure zinc and for Ti-6Al-4V different Cu-Ni blends are used. Cold gas spraying process parameters are varied with regard to process gas (nitrogen) temperature and pressure, powder feedrate and spray distance. Correlation of the process characteristics to economical aspects is given. The viability of the filler coatings produced is illustrated by different optimised brazing/soldering processes. In the case of aluminium braze joints a full metallographical investigation was carried out by optical and scanning electron microscopy as well as EDX analyses. The results obtained are compared with those of conventional filler material additions.</abstract><cop>London, England</cop><pub>Taylor & Francis</pub><doi>10.1179/174329406X98386</doi><tpages>5</tpages></addata></record> |
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| ispartof | Surface engineering, 2006-04, Vol.22 (2), p.98-102 |
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| language | eng |
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| source | SAGE Publications |
| subjects | Applied sciences BRAZING Brazing. Soldering CAB COLD GAS SPRAYING Exact sciences and technology FILLER APPLICATION Joining, thermal cutting: metallurgical aspects LIGHT WEIGHT ALLOYS Metals. Metallurgy Production techniques Surface treatment |
| title | Cold gas sprayed filler coatings for brazing of light alloys |
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