<P><B>Abstract</B></P> <P>Instrumented indentation continuous stiffness measurement (CSM) method is applied to investigate the nanomechanical properties of the aluminum and zinc arc thermal spray aluminum coating. This s...
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https://www.riss.kr/link?id=A107699190
2019
-
SCOPUS,SCIE
학술저널
266-276(11쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>Instrumented indentation continuous stiffness measurement (CSM) method is applied to investigate the nanomechanical properties of the aluminum and zinc arc thermal spray aluminum coating. This s...
<P><B>Abstract</B></P> <P>Instrumented indentation continuous stiffness measurement (CSM) method is applied to investigate the nanomechanical properties of the aluminum and zinc arc thermal spray aluminum coating. This study shows that individual component within a multi-phase material can be differentiated through the stiffness characteristic transition in a single indentation. Using this approach, the nanomechanical properties of the individual phases can be isolated and quantified using statistical deconvolution method. This paper further demonstrates that through the use of computational simulation and artificial neural network, the nanomechanical properties can be predicted based on experimental nanoindentation loading and unloading, where the load-unload responses of an individual material phase can be replicated once the nanomechanical properties are made known. This study shows that CSM method is able to predict the material's elasticity and plasticity properties, including elastic modulus, hardness, yield strength and work hardening, of individual aluminum and zinc components of the thermal arc spray coating.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Nanoindentation measured elastic modulus and hardness are presented </LI> <LI> CSM stiffness-displacement gradient is unique for each phase </LI> <LI> Stiffness-displacement feature can identify phase change with depth </LI> <LI> ANN can accurately predict elastic and plastic parameters </LI> </UL> </P>