{"id":"https://openalex.org/W4389935462","doi":"https://doi.org/10.3233/jcm-226966","title":"Research on fracture mechanism and mechanical properties of polycrystalline graphene by nanoindentation: A molecular dynamics study","display_name":"Research on fracture mechanism and mechanical properties of polycrystalline graphene by nanoindentation: A molecular dynamics study","publication_year":2023,"publication_date":"2023-12-15","ids":{"openalex":"https://openalex.org/W4389935462","doi":"https://doi.org/10.3233/jcm-226966"},"language":"en","primary_location":{"id":"doi:10.3233/jcm-226966","is_oa":false,"landing_page_url":"https://doi.org/10.3233/jcm-226966","pdf_url":null,"source":{"id":"https://openalex.org/S2765058733","display_name":"Journal of Computational Methods in Sciences and Engineering","issn_l":"1472-7978","issn":["1472-7978","1875-8983"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational Methods in Sciences and Engineering","raw_type":"journal-article"},"type":"article","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/A5115595244","display_name":"Yingsheng Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I148099405","display_name":"Xi'an University of Architecture and Technology","ror":"https://ror.org/04v2j2k71","country_code":"CN","type":"education","lineage":["https://openalex.org/I148099405"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingsheng Wang","raw_affiliation_strings":["Xi\u2019an University of Architecture and Technology, Xi\u2019an, Shaanxi, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Xi\u2019an University of Architecture and Technology, Xi\u2019an, Shaanxi, China","institution_ids":["https://openalex.org/I148099405"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081877305","display_name":"Yongkun Liu","orcid":"https://orcid.org/0000-0003-3814-4897"},"institutions":[{"id":"https://openalex.org/I148099405","display_name":"Xi'an University of Architecture and Technology","ror":"https://ror.org/04v2j2k71","country_code":"CN","type":"education","lineage":["https://openalex.org/I148099405"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongkun Liu","raw_affiliation_strings":["Xi\u2019an University of Architecture and Technology, Xi\u2019an, Shaanxi, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Xi\u2019an University of Architecture and Technology, Xi\u2019an, Shaanxi, China","institution_ids":["https://openalex.org/I148099405"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101979207","display_name":"Sha Ding","orcid":"https://orcid.org/0000-0002-2612-033X"},"institutions":[{"id":"https://openalex.org/I148099405","display_name":"Xi'an University of Architecture and Technology","ror":"https://ror.org/04v2j2k71","country_code":"CN","type":"education","lineage":["https://openalex.org/I148099405"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Sha Ding","raw_affiliation_strings":["Xi\u2019an University of Architecture and Technology, Xi\u2019an, Shaanxi, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Xi\u2019an University of Architecture and Technology, Xi\u2019an, Shaanxi, China","institution_ids":["https://openalex.org/I148099405"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101979207"],"corresponding_institution_ids":["https://openalex.org/I148099405"],"apc_list":{"value":4150,"currency":"USD","value_usd":4150},"apc_paid":null,"fwci":0.0752,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.30121648,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"23","issue":"6","first_page":"2835","last_page":"2850"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10083","display_name":"Graphene research and applications","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10083","display_name":"Graphene research and applications","score":1.0,"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/T11341","display_name":"Boron and Carbon Nanomaterials Research","score":0.9991000294685364,"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/T12627","display_name":"Graphene and Nanomaterials Applications","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/indentation","display_name":"Indentation","score":0.8821016550064087},{"id":"https://openalex.org/keywords/nanoindentation","display_name":"Nanoindentation","score":0.8767681121826172},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.8137890696525574},{"id":"https://openalex.org/keywords/composite-material","display_name":"Composite material","score":0.622856616973877},{"id":"https://openalex.org/keywords/grain-size","display_name":"Grain size","score":0.6072835922241211},{"id":"https://openalex.org/keywords/crystallite","display_name":"Crystallite","score":0.6052035689353943},{"id":"https://openalex.org/keywords/grain-boundary","display_name":"Grain boundary","score":0.5800226330757141},{"id":"https://openalex.org/keywords/fracture","display_name":"Fracture (geology)","score":0.511798083782196},{"id":"https://openalex.org/keywords/graphene","display_name":"Graphene","score":0.5113462805747986},{"id":"https://openalex.org/keywords/ultimate-tensile-strength","display_name":"Ultimate tensile strength","score":0.5082106590270996},{"id":"https://openalex.org/keywords/voronoi-diagram","display_name":"Voronoi diagram","score":0.4859713315963745},{"id":"https://openalex.org/keywords/elastic-modulus","display_name":"Elastic modulus","score":0.4563172459602356},{"id":"https://openalex.org/keywords/molecular-dynamics","display_name":"Molecular dynamics","score":0.45058178901672363},{"id":"https://openalex.org/keywords/modulus","display_name":"Modulus","score":0.4454098641872406},{"id":"https://openalex.org/keywords/microstructure","display_name":"Microstructure","score":0.1322580873966217},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.1270514726638794},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.12045958638191223},{"id":"https://openalex.org/keywords/metallurgy","display_name":"Metallurgy","score":0.10975885391235352},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.06976735591888428},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.052657514810562134}],"concepts":[{"id":"https://openalex.org/C2780902562","wikidata":"https://www.wikidata.org/wiki/Q1154141","display_name":"Indentation","level":2,"score":0.8821016550064087},{"id":"https://openalex.org/C49326732","wikidata":"https://www.wikidata.org/wiki/Q1549892","display_name":"Nanoindentation","level":2,"score":0.8767681121826172},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.8137890696525574},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.622856616973877},{"id":"https://openalex.org/C192191005","wikidata":"https://www.wikidata.org/wiki/Q466491","display_name":"Grain size","level":2,"score":0.6072835922241211},{"id":"https://openalex.org/C137637335","wikidata":"https://www.wikidata.org/wiki/Q899604","display_name":"Crystallite","level":2,"score":0.6052035689353943},{"id":"https://openalex.org/C47908070","wikidata":"https://www.wikidata.org/wiki/Q900515","display_name":"Grain boundary","level":3,"score":0.5800226330757141},{"id":"https://openalex.org/C43369102","wikidata":"https://www.wikidata.org/wiki/Q2307625","display_name":"Fracture (geology)","level":2,"score":0.511798083782196},{"id":"https://openalex.org/C30080830","wikidata":"https://www.wikidata.org/wiki/Q169917","display_name":"Graphene","level":2,"score":0.5113462805747986},{"id":"https://openalex.org/C112950240","wikidata":"https://www.wikidata.org/wiki/Q76005","display_name":"Ultimate tensile strength","level":2,"score":0.5082106590270996},{"id":"https://openalex.org/C24881265","wikidata":"https://www.wikidata.org/wiki/Q757267","display_name":"Voronoi diagram","level":2,"score":0.4859713315963745},{"id":"https://openalex.org/C43486711","wikidata":"https://www.wikidata.org/wiki/Q192005","display_name":"Elastic modulus","level":2,"score":0.4563172459602356},{"id":"https://openalex.org/C59593255","wikidata":"https://www.wikidata.org/wiki/Q901663","display_name":"Molecular dynamics","level":2,"score":0.45058178901672363},{"id":"https://openalex.org/C193867417","wikidata":"https://www.wikidata.org/wiki/Q6889814","display_name":"Modulus","level":2,"score":0.4454098641872406},{"id":"https://openalex.org/C87976508","wikidata":"https://www.wikidata.org/wiki/Q1498213","display_name":"Microstructure","level":2,"score":0.1322580873966217},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1270514726638794},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.12045958638191223},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.10975885391235352},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.06976735591888428},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.052657514810562134},{"id":"https://openalex.org/C147597530","wikidata":"https://www.wikidata.org/wiki/Q369472","display_name":"Computational chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3233/jcm-226966","is_oa":false,"landing_page_url":"https://doi.org/10.3233/jcm-226966","pdf_url":null,"source":{"id":"https://openalex.org/S2765058733","display_name":"Journal of Computational Methods in Sciences and Engineering","issn_l":"1472-7978","issn":["1472-7978","1875-8983"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational Methods in Sciences and Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W953505893","https://openalex.org/W1909874688","https://openalex.org/W1972970620","https://openalex.org/W1976970273","https://openalex.org/W1997155128","https://openalex.org/W2001567980","https://openalex.org/W2004888499","https://openalex.org/W2010177887","https://openalex.org/W2010971702","https://openalex.org/W2014935324","https://openalex.org/W2019465613","https://openalex.org/W2044940818","https://openalex.org/W2054351230","https://openalex.org/W2058122340","https://openalex.org/W2067371724","https://openalex.org/W2094948497","https://openalex.org/W2097954826","https://openalex.org/W2154455129","https://openalex.org/W2314417218","https://openalex.org/W2328623882","https://openalex.org/W2346688861","https://openalex.org/W2604470867","https://openalex.org/W2749631204","https://openalex.org/W2769820095","https://openalex.org/W2801315680","https://openalex.org/W2922447153","https://openalex.org/W2972125194","https://openalex.org/W4225388692","https://openalex.org/W4247999900","https://openalex.org/W6665238898","https://openalex.org/W6750770173"],"related_works":["https://openalex.org/W2127202777","https://openalex.org/W2377817240","https://openalex.org/W1974147899","https://openalex.org/W2893946800","https://openalex.org/W2560993203","https://openalex.org/W4387652114","https://openalex.org/W2079451325","https://openalex.org/W1976887840","https://openalex.org/W2742508829","https://openalex.org/W1978635966"],"abstract_inverted_index":{"Randomness":[0],"of":[1,15,26,31,60,68,78,94,103,156,168,186,202],"grain":[2,35,69,98,104,131],"boundaries":[3],"makes":[4],"it":[5,172,178,193],"difficult":[6],"to":[7,174],"reach":[8],"a":[9,180],"broad":[10],"consensus":[11],"about":[12],"mechanical":[13,44,114,138],"properties":[14,45,115],"polycrystalline":[16],"graphene":[17],"(PG).":[18],"In":[19],"the":[20,29,40,56,65,72,86,91,95,101,113,126,130,141,154,166,175,184,200],"present":[21],"paper,":[22],"based":[23],"on":[24,83,112,137],"principle":[25],"Voronoi":[27],"diagram,":[28],"models":[30],"PG":[32,61,79],"with":[33,153,165,183,199],"different":[34,123],"sizes":[36],"were":[37,46,116],"established,":[38],"and":[39,43,71,75,97,109,122,147,159,189,196],"fracture":[41,76,148],"mechanism":[42],"investigated":[47],"by":[48],"molecular":[49],"dynamics":[50],"(MD).":[51],"The":[52],"results":[53],"showed":[54,119,149,179],"that":[55],"crack":[57,73],"initiation":[58],"point":[59],"always":[62],"located":[63],"at":[64],"multiple":[66],"junction":[67],"boundaries,":[70],"propagation":[74],"mode":[77],"was":[80],"mainly":[81],"dependent":[82],"not":[84],"only":[85],"relative":[87,92],"size":[88,132],"but":[89],"also":[90],"location":[93],"indenter":[96,110,157,187],"boundaries.":[99],"Additionally,":[100],"effects":[102],"size,":[105],"indentation":[106,143,145,160,190],"speed,":[107,161,191],"temperature":[108],"diameter":[111,158,188],"studied,":[117],"which":[118],"some":[120],"interesting":[121],"phenomena":[124],"from":[125],"tensile":[127],"case,":[128],"e.g.,":[129],"seems":[133],"no":[134],"regular":[135],"effect":[136],"properties.":[139],"Furthermore,":[140],"ultimate":[142],"force,":[144],"depth":[146],"an":[150],"increase":[151,155,167,185,201],"trend":[152,182],"while":[162,192],"they":[163],"decreased":[164,198],"temperature.":[169,203],"But":[170],"when":[171],"came":[173],"elastic":[176],"modulus,":[177],"decreasing":[181],"first":[194],"increased":[195],"then":[197]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
