We report on the formation and stability of vacancy complexes in bulk Ni using molecular statics. Using an embedded atomic potential, we have investigated the effect of strain and temperature on their stability. At zero temperature our results compare favorably with first-principles calculations. The main effect of the presence of defects is a reduction of the elastic domain in comparison to the defect-free crystal, as well as an initiation of extended defects around the vacancy cluster at the yield point. All the clusters are found to be stable under the studied conditions, but the stability weakens with temperature, while strain may have opposing effects. (C) 2016 Elsevier B.V. All rights reserved.
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Univ Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, FranceUniv Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, France
Li, Kangming
Fu, Chu-Chun
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Univ Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, FranceUniv Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, France
Fu, Chu-Chun
Nastar, Maylise
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Univ Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, FranceUniv Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, France
Nastar, Maylise
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Soisson, Frederic
Lavrentiev, Mikhail Yu
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United Kingdom Atom Energy Author, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, EnglandUniv Paris Saclay, CEA, Serv Rech Met Phys, F-91191 Gif Sur Yvette, France
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Guizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R ChinaGuizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
Luo, Binrong
Ren, Xianli
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Guizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
Guizhou Key Lab Mech Behav & Microstruct Mat, Guiyang 550025, Peoples R China
Natl & Local Joint Engn Lab High performance Met S, Guiyang 550025, Peoples R ChinaGuizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
Ren, Xianli
Feng, Xianyun
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Guizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R ChinaGuizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
Feng, Xianyun
Gong, Liuhai
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Guizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R ChinaGuizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
Gong, Liuhai
Peng, Guigui
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Guizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
Guizhou Key Lab Mech Behav & Microstruct Mat, Guiyang 550025, Peoples R China
Natl & Local Joint Engn Lab High performance Met S, Guiyang 550025, Peoples R ChinaGuizhou Univ, Coll Mat Sci & Met Engn, Guiyang 550025, Peoples R China
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Shanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R ChinaShanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R China
Dong, Lihua
Yin, Bing
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Shanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R ChinaShanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R China
Yin, Bing
Zhang, Li
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Shanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R ChinaShanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R China
Zhang, Li
Yin, Yansheng
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Shanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R ChinaShanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R China
Yin, Yansheng
Zhang, Yijun
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Ludong Univ, Sch Phys, Yantai 264025, Peoples R ChinaShanghai Maritime Univ, Inst Marine Mat Sci & Engn, Lingang New City 201306, Shanghai, Peoples R China