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ÌâÄ¿£º Molecular dynamics simulation on the tribology properties of two hard nanoparticles (diamond and silicon dioxide) confined by two iron blocks ÆÚ¿¯£ºTribology International, 2015, 90: 297-305 |
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Molecular dynamics simulation on the tribology properties of two hard nanoparticles (diamond and silicon dioxide) confined by two iron blocks ×÷Õß:Hu, CZ (Hu, Chengzhi)[ 1 ] ; Bai, ML (Bai, Minli)[ 1 ] ; Lv, JZ (Lv, Jizu)[ 1 ] ; Kou, ZH (Kou, Zhihai)[ 2 ] ; Li, XJ (Li, Xiaojie)[ 3 ] TRIBOLOGY INTERNATIONAL ¾í: 90 Ò³: 297-305 DOI: 10.1016/j.triboint.2015.04.043 ³ö°æÄê: OCT 2015 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª The tribology behaviors of diamond and silicon dioxide (SiO2) nanoparticles were examined via Molecular dynamics simulations; four cases were simulated. At low velocity and low load, the nanoparticles separated the two blocks from each other and acted as ball-bearings. The plastic deformation, temperature distribution, and friction force were all improved due to the action of the nanoparticles. However, the crushing of the SiO2 nanoparticles was accompanied by deformation-induced loss of the rolling effect, when the load was increased. Without nanoparticles, a transfer layer formed at high velocity and low load. The two nanoparticles provided support for a certain duration. However, at high velocity and high load, the support effect of these nanoparticles was lost in a short sliding time. (C) 2015 Elsevier Ltd. All rights reserved. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê iamond nanoparticle; Silicon dioxide nanoparticle; Molecular dynamics; Tribology behaviorsKeyWords Plus:SIO2 NANOPARTICLES; CU NANOPARTICLES; LUBRICATING OIL; FRICTION; ADDITIVES; BEHAVIOR; SURFACES; NANODIAMOND; PERFORMANCE; NANOFLUIDS ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Lv, JZ (ͨѶ×÷Õß) ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ Dalian Univ Technol, Sch Energy & Power Engn, Dalian 116024, Peoples R China. µØÖ·: ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 1 ] Dalian Univ Technol, Sch Energy & Power Engn, Dalian 116024, Peoples R China ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 2 ] Shenyang Aerosp Univ, Fac Aerosp Engn, Shenyang 110136, Peoples R China ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 3 ] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China µç×ÓÓʼþµØÖ·:lvjizu@dlut.edu.cn »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ National Natural Science Foundation of China 51476019 51276031 51376002 51206115 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND Àà±ð / ·ÖÀà Ñо¿·½Ïò:Engineering Web of Science Àà±ð:Engineering, Mechanical ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000359166200031 ISSN: 0301-679X eISSN: 1879-2464 ÆÚ¿¯ÐÅÏ¢ Ŀ¼£º Current Contents Connect® Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: CO4YG Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 65 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 1 |

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iamond nanoparticle; Silicon dioxide nanoparticle; Molecular dynamics; Tribology behaviors