A Finite-Element Hardness Model for Analyzing 316L Stainless Steel/Ceramic Nanocomposites

作者：El sayed T^*; Imbaby M; Jiang K

来源：Mechanics of Composite Materials, 2015, 51(1): 33-42.

DOI：10.1007/s11029-015-9474-y

• 316L stainless steel
• ceramics
• microfabrication
• nanocomposites
• finite element

A new finite-element approach to calculating the hardness of nanocomposite materials based on a 316L stainless steel matrix and nanoceramic inclusions is presented. Two different ceramic inclusions, alumina and titania, are considered. The finite-element model is created on the basis of the spherical Brinell hardness contact model. A quarter of the 3D finite-element is used to model the contact between a spherical tungsten carbide indenter and nanocomposite materials. The effect of the elastic modulus and percentage of the ceramic inclusions on the hardness of the nanocomposites considered is investigated. The finite-element model is verified by comparing its results with experimental data. The comparison showed a good agreement for low-concentration compositions and a slight deviation for highly concentrated ones.

• 出版日期2015-3