{"id":"https://openalex.org/A5113534330","orcid":null,"observed_orcids":[],"display_name":"Brian J. Roylance","raw_author_names":["B J Roylance","B. J. Roylance","B.J Roylance","B.J. ROYLANCE","B.J. Roylance","BJ Roylance","Brian J. Roylance","Brian Roylance","Roylance, B.J."],"full_name":"Brian J. Roylance","works_count":59,"cited_by_count":926,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":15,"i10_index":21},"ids":{"openalex":"https://openalex.org/A5113534330","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I100116408","ror":"https://ror.org/005bw2d06","display_name":"University of Port Harcourt","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]},"years":[1976]},{"institution":{"id":"https://openalex.org/I1299528221","ror":"https://ror.org/0439y7842","display_name":"Engineering and Physical Sciences Research Council","country_code":"GB","type":"government","lineage":["https://openalex.org/I1299528221","https://openalex.org/I4210087105"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I39586589","ror":"https://ror.org/053fq8t95","display_name":"Swansea University","country_code":"GB","type":"education","lineage":["https://openalex.org/I39586589"]},"years":[2003,2001,2000,1998,1997,1996,1995,1994,1993,1992,1990,1989,1987,1986,1983,1981,1978,1977,1976,1975]},{"institution":{"id":"https://openalex.org/I45129253","ror":"https://ror.org/02jx3x895","display_name":"University College London","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]},"years":[1979]},{"institution":{"id":"https://openalex.org/I91136226","ror":"https://ror.org/05krs5044","display_name":"University of Sheffield","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I97429440","ror":"https://ror.org/01se4f844","display_name":"University of Wales","country_code":"GB","type":"education","lineage":["https://openalex.org/I97429440"]},"years":[2003,2001,2000,1998,1997,1996,1994,1993,1992,1990,1989]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11138","display_name":"Tribology and Lubrication Engineering","count":33,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","count":24,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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":18,"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":15,"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":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"}}],"topic_share":[{"id":"https://openalex.org/T12252","display_name":"Mechanical stress and fatigue analysis","value":0.0002786,"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/T11138","display_name":"Tribology and Lubrication Engineering","value":0.0001418,"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","value":0.0001082,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","value":9.74e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T13858","display_name":"Technical Engine Diagnostics and Monitoring","value":6.92e-05,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8978583812713623},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.5939651131629944},{"id":"77595967","wikidata":"https://www.wikidata.org/wiki/Q3151013","display_name":"Forensic engineering","score":0.5662380456924438},{"id":"78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","score":0.5232117176055908},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.46470963954925537}],"counts_by_year":[{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"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":4,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":44},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":47},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":45},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":12}],"display_name_alternatives":["B J Roylance","B. J. Roylance","B.J Roylance","B.J. ROYLANCE","B.J. Roylance","BJ Roylance","Brian J. Roylance","Brian Roylance","Roylance, B.J."],"block_key":"b roylance","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113534330","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
