{"abstract":[{"lang":"eng","text":"In this work, we simulate the response of two Cu nanoparticles colliding at different approaching rates at room temperature by MD. For small nanospheres, the formation of single twins is favored at high approach rates, whereas larger nanospheres mainly deform by dislocation slip. For small nanocubes with large {100} flat surfaces, however, a dislocation-free direct geometrical conversion process that leads to five-fold twinning dominates except at highly retarded approaching rates. For larger nanocubes, single twin formation is the governing plasticity mechanism. The probability for plastic deformation by dislocation slip or twinning is attributed to the abundance of surface steps, which act as sites for dislocation nucleation."}],"oa_version":"None","publication":"Materials Science and Engineering: A","publication_status":"published","scopus_import":"1","quality_controlled":"1","title":"Crystal plasticity of Cu nanocrystals during collision","_id":"9682","doi":"10.1016/j.msea.2013.07.065","author":[{"orcid":"0000-0002-3584-9632","full_name":"Cheng, Bingqing","first_name":"Bingqing","id":"cbe3cda4-d82c-11eb-8dc7-8ff94289fcc9","last_name":"Cheng"},{"full_name":"Ngan, Alfonso H.W.","first_name":"Alfonso H.W.","last_name":"Ngan"}],"language":[{"iso":"eng"}],"publication_identifier":{"issn":["0921-5093"]},"intvolume":"       585","extern":"1","type":"journal_article","date_updated":"2023-02-23T14:04:51Z","volume":585,"user_id":"6785fbc1-c503-11eb-8a32-93094b40e1cf","date_published":"2013-11-15T00:00:00Z","day":"15","publisher":"Elsevier","year":"2013","article_type":"original","status":"public","page":"326-334","month":"11","date_created":"2021-07-19T09:04:36Z","citation":{"short":"B. Cheng, A.H.W. Ngan, Materials Science and Engineering: A 585 (2013) 326–334.","ama":"Cheng B, Ngan AHW. Crystal plasticity of Cu nanocrystals during collision. <i>Materials Science and Engineering: A</i>. 2013;585:326-334. doi:<a href=\"https://doi.org/10.1016/j.msea.2013.07.065\">10.1016/j.msea.2013.07.065</a>","mla":"Cheng, Bingqing, and Alfonso H. W. Ngan. “Crystal Plasticity of Cu Nanocrystals during Collision.” <i>Materials Science and Engineering: A</i>, vol. 585, Elsevier, 2013, pp. 326–34, doi:<a href=\"https://doi.org/10.1016/j.msea.2013.07.065\">10.1016/j.msea.2013.07.065</a>.","ieee":"B. Cheng and A. H. W. Ngan, “Crystal plasticity of Cu nanocrystals during collision,” <i>Materials Science and Engineering: A</i>, vol. 585. Elsevier, pp. 326–334, 2013.","ista":"Cheng B, Ngan AHW. 2013. Crystal plasticity of Cu nanocrystals during collision. Materials Science and Engineering: A. 585, 326–334.","chicago":"Cheng, Bingqing, and Alfonso H.W. Ngan. “Crystal Plasticity of Cu Nanocrystals during Collision.” <i>Materials Science and Engineering: A</i>. Elsevier, 2013. <a href=\"https://doi.org/10.1016/j.msea.2013.07.065\">https://doi.org/10.1016/j.msea.2013.07.065</a>.","apa":"Cheng, B., &#38; Ngan, A. H. W. (2013). Crystal plasticity of Cu nanocrystals during collision. <i>Materials Science and Engineering: A</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.msea.2013.07.065\">https://doi.org/10.1016/j.msea.2013.07.065</a>"},"article_processing_charge":"No"}