{"id":"https://openalex.org/A5110154580","orcid":null,"observed_orcids":[],"display_name":"Carl H. Hager","raw_author_names":["C H Hager","C. H. Hager","C.H. Hager","Carl H. Hager","Carl Hager","Carl Hager(Jr.)","Carle Hager"],"full_name":"Carl H. Hager","works_count":42,"cited_by_count":862,"summary_stats":{"2yr_mean_citedness":5.6,"h_index":18,"i10_index":19},"ids":{"openalex":"https://openalex.org/A5110154580","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1280414376","ror":"https://ror.org/02e2egq70","display_name":"United States Air Force Research Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1280414376","https://openalex.org/I1330347796","https://openalex.org/I4210102105","https://openalex.org/I4389425425"]},"years":[2008,2007]},{"institution":{"id":"https://openalex.org/I19648265","ror":"https://ror.org/04qk6pt94","display_name":"Wright State University","country_code":"US","type":"education","lineage":["https://openalex.org/I19648265"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I219193219","ror":"https://ror.org/02dqehb95","display_name":"Purdue University West Lafayette","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I2799950915","ror":"https://ror.org/0097e1k27","display_name":"Wright-Patterson Air Force Base","country_code":"US","type":"other","lineage":["https://openalex.org/I1330347796","https://openalex.org/I2799950915","https://openalex.org/I4210089612","https://openalex.org/I4210102105"]},"years":[2008,2007]},{"institution":{"id":"https://openalex.org/I4210133886","ror":"https://ror.org/03h6x6x11","display_name":"Curtiss-Wright (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210133886"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210159399","ror":"https://ror.org/04bssxt85","display_name":"Universal Technology Corporation (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210159399"]},"years":[2009,2008,2007,2005,2003]},{"institution":{"id":"https://openalex.org/I4388482708","ror":"https://ror.org/0584m4844","display_name":"U.S. Air Force Research Laboratory Materials and Manufacturing Directorate","country_code":"US","type":"funder","lineage":["https://openalex.org/I1280414376","https://openalex.org/I1330347796","https://openalex.org/I4210102105","https://openalex.org/I4388482708","https://openalex.org/I4389425425"]},"years":[2008,2007]},{"institution":{"id":"https://openalex.org/I9400273","ror":"https://ror.org/03wxv1976","display_name":"Timken (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I9400273"]},"years":[2026,2024,2023,2022,2020,2017,2016,2015,2014,2011,2010,2009]}],"last_known_institutions":[{"id":"https://openalex.org/I219193219","ror":"https://ror.org/02dqehb95","display_name":"Purdue University West Lafayette","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]},{"id":"https://openalex.org/I9400273","ror":"https://ror.org/03wxv1976","display_name":"Timken (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I9400273"]}],"topics":[{"id":"https://openalex.org/T11138","display_name":"Tribology and Lubrication Engineering","count":21,"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/T12252","display_name":"Mechanical stress and fatigue analysis","count":20,"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/T11062","display_name":"Gear and Bearing Dynamics Analysis","count":16,"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/T12371","display_name":"Electrical Contact Performance and Analysis","count":14,"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/T11557","display_name":"Lubricants and Their Additives","count":8,"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"}}],"topic_share":[{"id":"https://openalex.org/T12252","display_name":"Mechanical stress and fatigue analysis","value":0.0003704,"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/T12371","display_name":"Electrical Contact Performance and Analysis","value":0.0002193,"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/T12435","display_name":"Bladed Disk Vibration Dynamics","value":0.0001155,"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/T13463","display_name":"Nanoporous metals and alloys","value":0.0001086,"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/T11138","display_name":"Tribology and Lubrication Engineering","value":9.01e-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"}}],"x_concepts":[{"id":"167310744","wikidata":"https://www.wikidata.org/wiki/Q193870","display_name":"Tribology","score":0.945178747177124},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.940592885017395},{"id":"191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","score":0.7521108984947205},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.6157304644584656},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.3858943581581116}],"counts_by_year":[{"year":2003,"works_count":2,"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":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":41},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":28},{"year":2015,"works_count":5,"oa_works_count":0,"cited_by_count":43},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":58},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":47},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":60},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":61},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":57},{"year":2022,"works_count":4,"oa_works_count":1,"cited_by_count":51},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":59},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":55},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2026,"works_count":4,"oa_works_count":3,"cited_by_count":59}],"display_name_alternatives":["C H Hager","C. H. Hager","C.H. Hager","Carl H. Hager","Carl Hager","Carl Hager(Jr.)","Carle Hager"],"block_key":"c hager","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110154580","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
