{"id":"https://openalex.org/A5110015500","orcid":null,"observed_orcids":[],"display_name":"Gerhardus H. Koch","raw_author_names":["G. H. Koch","G. Koch","G.H. Koch","Gerhardus H. Koch","Gerhardus Koch","Koch, Gerhardus H."],"full_name":"Gerhardus H. Koch","works_count":44,"cited_by_count":1761,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":12,"i10_index":13},"ids":{"openalex":"https://openalex.org/A5110015500","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1282462722","ror":"https://ror.org/02xfw2e90","display_name":"United States Department of Transportation","country_code":"US","type":"government","lineage":["https://openalex.org/I1282462722"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I1325736334","ror":"https://ror.org/01h5tnr73","display_name":"Battelle","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1325736334"]},"years":[1984]},{"institution":{"id":"https://openalex.org/I188703460","ror":"https://ror.org/04c235406","display_name":"DNV (Norway)","country_code":"NO","type":"company","lineage":["https://openalex.org/I188703460"]},"years":[2017,2016,2013]},{"institution":{"id":"https://openalex.org/I4210118550","ror":"https://ror.org/0295z7538","display_name":"DNV (United Kingdom)","country_code":"GB","type":"company","lineage":["https://openalex.org/I188703460","https://openalex.org/I4210118550"]},"years":[2016]}],"last_known_institutions":[{"id":"https://openalex.org/I188703460","ror":"https://ror.org/04c235406","display_name":"DNV (Norway)","country_code":"NO","type":"company","lineage":["https://openalex.org/I188703460"]}],"topics":[{"id":"https://openalex.org/T10310","display_name":"Corrosion Behavior and Inhibition","count":30,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12086","display_name":"Structural Integrity and Reliability Analysis","count":20,"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/T10736","display_name":"Hydrogen embrittlement and corrosion behaviors in metals","count":18,"subfield":{"id":"https://openalex.org/subfields/2506","display_name":"Metals and Alloys"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14076","display_name":"Material Properties and Failure Mechanisms","count":14,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13891","display_name":"Engineering Diagnostics and Reliability","count":7,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T14076","display_name":"Material Properties and Failure Mechanisms","value":0.0001275,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13891","display_name":"Engineering Diagnostics and Reliability","value":8.58e-05,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T10310","display_name":"Corrosion Behavior and Inhibition","value":8.37e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12086","display_name":"Structural Integrity and Reliability Analysis","value":7.74e-05,"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/T10736","display_name":"Hydrogen embrittlement and corrosion behaviors in metals","value":6.27e-05,"subfield":{"id":"https://openalex.org/subfields/2506","display_name":"Metals and Alloys"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"20625102","wikidata":"https://www.wikidata.org/wiki/Q137056","display_name":"Corrosion","score":0.8910726308822632},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8724671602249146},{"id":"191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","score":0.8005313873291016},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.7461731433868408},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.531782865524292}],"counts_by_year":[{"year":1979,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":57},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":58},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":72},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":65},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":81},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":78},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":86},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":125},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":143},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":105},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":144},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":153},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":92}],"display_name_alternatives":["G. H. Koch","G. Koch","G.H. Koch","Gerhardus H. Koch","Gerhardus Koch","Koch, Gerhardus H."],"block_key":"g koch","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110015500","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
