{"id":"https://openalex.org/W7160189147","doi":"https://doi.org/10.1007/s40964-026-01596-w","title":"Design optimization and additive manufacturing of copper contacts in power transformers","display_name":"Design optimization and additive manufacturing of copper contacts in power transformers","publication_year":2026,"publication_date":"2026-05-04","ids":{"openalex":"https://openalex.org/W7160189147","doi":"https://doi.org/10.1007/s40964-026-01596-w"},"language":"en","primary_location":{"id":"doi:10.1007/s40964-026-01596-w","doi":"https://doi.org/10.1007/s40964-026-01596-w","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40964-026-01596-w","pdf_url":null,"source":{"id":"https://openalex.org/S4210206835","display_name":"Progress in Additive Manufacturing","issn_l":"2363-9512","issn":["2363-9512","2363-9520"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Progress in Additive Manufacturing","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5104798949","display_name":"Elham Haghighat Naeini","orcid":"https://orcid.org/0009-0001-0341-1070","observed_orcids":["https://orcid.org/0009-0001-0341-1070"]},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Elham Haghighat Naeini","raw_affiliation_strings":["Hitachi Energy Research, Pawia 7, 31-154, Krakow, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Energy Research, Pawia 7, 31-154, Krakow, Poland","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135278456","display_name":"Nikhil Joseph Ebi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107938","display_name":"Hitachi (Sweden)","ror":"https://ror.org/01mmh4r39","country_code":"SE","type":"company","lineage":["https://openalex.org/I4210107938","https://openalex.org/I65143321"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Nikhil Joseph Ebi","raw_affiliation_strings":["Hitachi Energy Components, Ludvika, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Energy Components, Ludvika, Sweden","institution_ids":["https://openalex.org/I4210107938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090458831","display_name":"Robert Seku\u0142a","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Robert Sekula","raw_affiliation_strings":["Hitachi Energy Research, Pawia 7, 31-154, Krakow, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Energy Research, Pawia 7, 31-154, Krakow, Poland","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065662532","display_name":"Tomasz Nowak","orcid":"https://orcid.org/0000-0003-3018-0439","observed_orcids":["https://orcid.org/0000-0003-3018-0439"]},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomasz Nowak","raw_affiliation_strings":["Hitachi Energy Research, Pawia 7, 31-154, Krakow, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Energy Research, Pawia 7, 31-154, Krakow, Poland","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086324600","display_name":"Edelvays Cherchelanov","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Edelvays Cherchelanov","raw_affiliation_strings":["Hitachi Energy R&D Insulation and Components, Sofia, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Energy R&D Insulation and Components, Sofia, Bulgaria","institution_ids":["https://openalex.org/I65143321"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5104798949"],"corresponding_institution_ids":["https://openalex.org/I65143321"],"apc_list":{"value":3590,"currency":"USD","value_usd":3590},"apc_paid":null,"fwci":1.714,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.83461303,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":92,"max":95},"biblio":{"volume":"11","issue":"6","first_page":"5233","last_page":"5257"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10705","display_name":"Additive Manufacturing Materials and Processes","score":0.8984000086784363,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10705","display_name":"Additive Manufacturing Materials and Processes","score":0.8984000086784363,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10783","display_name":"Additive Manufacturing and 3D Printing Technologies","score":0.09880000352859497,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10707","display_name":"Cellular and Composite Structures","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/copper-contacts","display_name":"copper contacts","score":0.9279999732971191},{"id":"https://openalex.org/keywords/power-transformers","display_name":"power transformers","score":0.9990000128746033},{"id":"https://openalex.org/keywords/design-for-additive-manufacturing","display_name":"design for additive manufacturing","score":0.906000018119812},{"id":"https://openalex.org/keywords/copper-alloys","display_name":"copper alloys","score":0.8859999775886536},{"id":"https://openalex.org/keywords/mass-reduction","display_name":"mass reduction","score":0.9639999866485596},{"id":"https://openalex.org/keywords/electrical-conductivity","display_name":"electrical conductivity","score":0.5839999914169312},{"id":"https://openalex.org/keywords/thermal-conductivity","display_name":"thermal conductivity","score":0.9729999899864197},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"surface roughness","score":0.7250000238418579},{"id":"https://openalex.org/keywords/microstructure","display_name":"microstructure","score":0.9459999799728394},{"id":"https://openalex.org/keywords/density","display_name":"density","score":0.5370000004768372}],"concepts":[{"id":"https://openalex.org/C544778455","wikidata":"https://www.wikidata.org/wiki/Q753","display_name":"Copper","level":2,"score":0.4894999861717224},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.42590001225471497},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4221000075340271},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.33379998803138733},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.3294000029563904},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.3149000108242035},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3077999949455261},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.2912999987602234},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.27000001072883606},{"id":"https://openalex.org/C2987875673","wikidata":"https://www.wikidata.org/wiki/Q187939","display_name":"Manufacturing process","level":2,"score":0.2587999999523163},{"id":"https://openalex.org/C19474535","wikidata":"https://www.wikidata.org/wiki/Q131172","display_name":"Welding","level":2,"score":0.2567000091075897},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.25589999556541443}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s40964-026-01596-w","doi":"https://doi.org/10.1007/s40964-026-01596-w","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40964-026-01596-w","pdf_url":null,"source":{"id":"https://openalex.org/S4210206835","display_name":"Progress in Additive Manufacturing","issn_l":"2363-9512","issn":["2363-9512","2363-9520"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Progress in Additive Manufacturing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.8970999717712402}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W2625241627","https://openalex.org/W2742723840","https://openalex.org/W2743380265","https://openalex.org/W2798904020","https://openalex.org/W2801720163","https://openalex.org/W2901339330","https://openalex.org/W2942343496","https://openalex.org/W2955483626","https://openalex.org/W2955813659","https://openalex.org/W2960256968","https://openalex.org/W2973104365","https://openalex.org/W3007322096","https://openalex.org/W3013755559","https://openalex.org/W3047779692","https://openalex.org/W3111775555","https://openalex.org/W3127569765","https://openalex.org/W3174701312","https://openalex.org/W3196591763","https://openalex.org/W3209523868","https://openalex.org/W4200170539","https://openalex.org/W4317826788","https://openalex.org/W4385516872","https://openalex.org/W4386472579","https://openalex.org/W4390417092","https://openalex.org/W4391888386","https://openalex.org/W4391941866","https://openalex.org/W4392380504","https://openalex.org/W4392893200","https://openalex.org/W4410342851"],"related_works":["https://openalex.org/W3210590250","https://openalex.org/W4303430997","https://openalex.org/W4401955318","https://openalex.org/W7161967553","https://openalex.org/W2744613356","https://openalex.org/W3049170329","https://openalex.org/W4405801892","https://openalex.org/W7045011127","https://openalex.org/W4382786854","https://openalex.org/W3208248530"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-05-05T00:00:00"}