Mechanical, thermal and electrical properties of monolayer and bilayer graded Al/SiC/rice husk ash (RHA) composite

The mechanical, electrical and thermal properties as well as thermal expansion of Al/SiC/RHA (rice husk ash) monolayer and bilayer composite have been studied using the Taguchi method and analysis of variance (ANOVA). The parameter that most significantly affects the modulus of elasticity of Al/SiC/...

Full description

Saved in:
Bibliographic Details
Published in:Journal of alloys and compounds 2017-03, Vol.699, p.308-322
Main Authors: Bahrami, A., Soltani, N., Soltani, S., Pech-Canul, M.I., Gonzalez, L.A., Gutierrez, C.A., Möller, A., Tapp, J., Gurlo, A.
Format: Article
Language:English
Subjects:
Ashes
Bend strength
Bending
Bending strength
Bilayers
Coefficient of thermal expansion
Electric properties
Electrical properties
Electrical resistivity
Mechanical properties
Modulus of elasticity
Pressureless infiltration
Stress-strain curves
Taguchi methods
Thermal diffusivity
Thermal expansion
Thermodynamic properties
Ultrasonic testing
Variance analysis
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The mechanical, electrical and thermal properties as well as thermal expansion of Al/SiC/RHA (rice husk ash) monolayer and bilayer composite have been studied using the Taguchi method and analysis of variance (ANOVA). The parameter that most significantly affects the modulus of elasticity of Al/SiC/RHA bilayer composites is processing time, with contribution percentages of 68 and 27% calculated from stress-strain graphs and ultrasonic method, respectively. However, the factor which mostly affects bending strength, CTE value and electrical resistivity of composites is process temperature with contribution percentages of 32, 28, and 22%, respectively. The projected values for modulus of elasticity (170 GPa), bending strength (369 MPa), CTE (8.9 × 10−6/°C) and electrical resistivity (0.0019 Ω m) of Al/SiC/RHA composites are in excellent agreement with those obtained in the verification tests under the optimal conditions according to ANOVA. [Display omitted] •L27 Taguchi method was applied to obtain optimum processing conditions.•Optimum process condition for maximum bending strength were determined.•Optimal conditions to maximize the electrical resistivity were established.•Optimal conditions to minimize the CTE value were defined.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2016.12.339