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Full-Text Articles in Engineering

A New Multilayer Composite With Functionally Graded Design For Endodontic Application., Ahmed A. Madfa Jul 2010

A New Multilayer Composite With Functionally Graded Design For Endodontic Application., Ahmed A. Madfa

Ahmed A. Madfa

Multilayer composite with FG structure were fabricated using zirconia (ZrO), alumina (AI2O3), Hydroxyapatite (HA) and titanium (Ti) micropowders. Powder selection and their combination in each layer were according to the results of finite element analysis.


Microstructural Characteristics Of Functionally Graded Materials Designed As Dental Post, Ahmed A. Madfa Feb 2010

Microstructural Characteristics Of Functionally Graded Materials Designed As Dental Post, Ahmed A. Madfa

Ahmed A. Madfa

To study the interfaces and microstructure of multilayered materials fabricated based on functionally graded concept for use as dental posts.


Porosity Reduction Model In Functionally Graded Metal-Ceramic Composites Using Shrinkage Measurement, Ahmed Madfa Jan 2010

Porosity Reduction Model In Functionally Graded Metal-Ceramic Composites Using Shrinkage Measurement, Ahmed Madfa

Ahmed A. Madfa

Porosity of metal-ceramic functionally graded materials (FGMs) was investigated experimentally to verify its mathematical models.


Simple Room-Temperature Preparation Of High-Yield Large-Area Graphene Oxide, Huang Nay Ming Jan 2010

Simple Room-Temperature Preparation Of High-Yield Large-Area Graphene Oxide, Huang Nay Ming

Huang Nay Ming

Graphene has attracted much attention from researchers due to its interesting mechanical, electrochemical, and electronic properties. It has many potential applications such as polymer filler, sensor, energy conversion, and energy storage devices. Graphene-based nanocomposites are under an intense spotlight amongst researchers. A large amount of graphene is required for preparation of such samples. Lately, graphene-based materials have been the target for fundamental life science investigations. Despite graphene being a much sought-after raw material, the drawbacks in the preparation of graphene are that it is a challenge amongst researchers to produce this material in a scalable quantity and that there is …