Effect of acids salts and water on natural composite materials

2020 ◽  
Author(s):  
Zahra K. Hamdan ◽  
Fadhel A. Abdalla ◽  
Zaineb W. Metteb
Keyword(s):  
Composite Materials ◽  
Natural Composite Materials ◽  
Natural Composite

scholarly journals Detection of Defects in Natural Composite Materials Using Thermal Imaging Technique

2012 ◽  
Vol 54 (5) ◽  
pp. 340-346 ◽  
Author(s):  
M. J. Suriani ◽  
Aidy Ali ◽  
A. Khalina ◽  
S. M. Sapuan ◽  
S. Abdullah ◽  
...  
Keyword(s):  
Composite Materials ◽  
Thermal Imaging ◽  
Imaging Technique ◽  
Natural Composite Materials ◽  
Natural Composite ◽  
Detection Of Defects

scholarly journals Experimental and Numerical Investigation on Optimization of Clamped Composite Columns: By the Example of Cedar and Oak

2006 ◽  
Vol 15 (6) ◽  
pp. 096369350601500
Author(s):  
Yeliz Pekbey ◽  
Aydogan Ozdamar ◽  
Onur Sayman
Keyword(s):  
Experimental Data ◽  
Composite Materials ◽  
Numerical Investigation ◽  
Cross Sections ◽  
True Solution ◽  
Composite Columns ◽  
Numerical Studies ◽  
Natural Composite Materials ◽  
Optimum Model ◽  
Natural Composite

In this study, the problem of finding the shape of the strongest column which has the largest fundamental buckling load with equal length and volume for the clamped–clamped ends was purposed. It was also proved that the solutions of Tadjbakhsk & Keller (1962) and Olhoff & Rasmussen (1977)-Masur (1984) were not optimum for columns with clamped ends. Then, true solution was obtained from Masur's analytical bimodal solution for clamped-clamped case by considering the crushing criteria. To test the accuracy of new optimized columns with clamped ends, both experimental and numerical studies were carried out. In this study, natural composite materials such as cedar and oak with variable circular cross-sections were used. Results of the optimum model proposed in this study were in agreement with results obtained by experimental data and numerical results.

Exploration of fatigue and modal analysis on mono leaf suspension made by natural composite materials

2021 ◽  
Author(s):  
A.P. Venkatesh ◽  
S. Padmanabhan ◽  
C. Allen Rufus ◽  
H. Mohammed Lukmaan ◽  
A.R. Abdul Rahman
Keyword(s):  
Composite Materials ◽  
Modal Analysis ◽  
Natural Composite Materials ◽  
Natural Composite

scholarly journals Analysis of the Mechanical Properties of Natural Composites Matoa Tree Wood as the Foundation for Environmentally Friendly House Piles

2021 ◽  
Author(s):  
Eko Tavip Maryanto ◽  
Rezza Ruzuqi
Keyword(s):  
Composite Materials ◽  
Mechanical Strength ◽  
Environmentally Friendly ◽  
Phase System ◽  
Tree Wood ◽  
Natural Composite Materials ◽  
Natural Composites ◽  
Multi Phase ◽  
The Impact ◽  
Natural Composite

Composite materials, in simple terms, are materials that have a multi-phase system composed of reinforcing materials and matrix materials. Composite materials are divided into two types, namely synthetic composite materials and natural composite materials. Wood is a natural composite material consisting of a reinforcement and a matrix. The wood of the matoa tree (Pometia vinnata) is known for its good mechanical strength. The comparison of compressive mechanical strength in this study was conducted on matoa wood and ironwood tree wood (eusideroxylon zwageri). This was performed as supporting data in the discussion of natural composite materials of matoa tree wood as the foundation for environmentally friendly house piles. The results obtained were matoa wood and ironwood, respectively A1 = 6.07e^(-07) MPa, A2 = 1.11e^(-06) MPa, and A3 = 2.09e^(-06) MPa and B1 = 1.17e ^(-06) MPa, B2 = 2.13e^(-06) MPa, and B3 = 4.02e^(-06) MPa. These results indicated that the resistance to mechanical compression test of ironwood tree was greater than matoa tree. However, when it was seen based on the perspective of the impact on the environment, Matoa tree has environmentally friendly properties that are effective and efficient. This is supported by the nature of the matoa tree which is easy to cultivate and its roots do not damage other plants.

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