Dynamic modelling of hardness changes of aluminium nanostructure during mechanical ball milling process

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Bidarian Vahid; Koohestanian Esmaeil; OMIDVAR MARYAM

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Journal Paper

Paper Information

Journal: JOURNAL OF PARTICLE SCIENCE AND TECHNOLOGY Year:2017 | Volume:3 | Issue:1 Page(s): 25-32

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Title

Dynamic modelling of hardness changes of aluminium nanostructure during mechanical ball milling process

Author(s)

Bidarian Vahid | Koohestanian Esmaeil | OMIDVAR MARYAM | Issue Writer Certificate

Keywords

Ball milling

Modelling

Nanostructure

NFD model

Aluminium powder

Abstract

In this research, the feasibility of using mathematical modelling in the ball milling process has been evaluated to verify the hardness changes of an aluminium nanostructure. Considering the model of normal force displacement (NFD), the radius of elastic-plastic and normal displacement of two balls were computed by applying analytical modelling and coding in MATLAB. Properties of balls and aluminium powder were entered into the software as input data. The impact radius and then the hardness of powder were calculated accordingly. The changes of aluminium powder hardness resulting from the collision of two spherical balls during the synthesis of an aluminium nanostructure were analytically derived and compared with experimental data obtained from the literature. Calculation of results accuracy shows the model has a better agreement with the experimental data at the beginning than the results from Maurice et al. (R2= 0. 68 in this model). This research innovation is to combine the NFD model with hardness formulation to calculate final hardness.

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APA: Copy

Bidarian, Vahid, Koohestanian, Esmaeil, & OMIDVAR, MARYAM. (2017). Dynamic modelling of hardness changes of aluminium nanostructure during mechanical ball milling process. JOURNAL OF PARTICLE SCIENC AND TECHNOLOGY, 3(1), 25-32. SID. https://sid.ir/paper/355014/en

Vancouver: Copy

Bidarian Vahid, Koohestanian Esmaeil, OMIDVAR MARYAM. Dynamic modelling of hardness changes of aluminium nanostructure during mechanical ball milling process. JOURNAL OF PARTICLE SCIENC AND TECHNOLOGY[Internet]. 2017;3(1):25-32. Available from: https://sid.ir/paper/355014/en

IEEE: Copy

Vahid Bidarian, Esmaeil Koohestanian, and MARYAM OMIDVAR, “Dynamic modelling of hardness changes of aluminium nanostructure during mechanical ball milling process,” JOURNAL OF PARTICLE SCIENC AND TECHNOLOGY, vol. 3, no. 1, pp. 25–32, 2017, [Online]. Available: https://sid.ir/paper/355014/en

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