Thermal analysis of electrodeposited nano-grained Ni-Mo alloys

SCRIPTA MATERIALIA

卷:154

Article

Hu, J.^1,2  Shi, Y. -N.¹  Lu, K.¹ 

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China

[2] East China JiaoTong Univ, Sch Mat Sci & Engn, Nanchang 330013, Jiangxi, Peoples R China

关键词: Ni-Mo alloy;    Nano-grained metals;    Grain boundary energy;    Differential scanning calorimetry;    Structural stability;   

DOI  :  10.1016/j.scriptamat.2018.05.036

来源: Elsevier

【 摘 要 】

Enthalpy release of electrodeposited nano-grained Ni and Ni-Mo alloys with grain size ranging from 29.3 to 5.9 nm and their corresponding annealed samples were investigated by using differential scanning calorimetry. Grain boundary energy of the annealed samples was estimated from enthalpy release and corresponding grain size. Results indicated that the enhanced grain boundary stability in the as-annealed ng Ni-Mo alloys is ascribed to kinetically grain boundary pinning by Mo instead of grain boundary energy reduction. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

【 授权许可】

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