Production, Testing, Dimensioning, Research on Composites | Contact experts in Composites to get answers
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Questions related to Composites
For aerospace adhesive formulation, I would like to use dicyandiamide as hardener. But I couldn't dissolve the hardener particles in the epoxy. Please suggest the method to dissolve them. I used...
05 July 2017 4,612 4 View
Kanaun-Jeulin methodology Estimate based upon energy-based effective strains Effective Field method Mori–Tanaka method (Multi-Phase and Multi-Step Approaches) Benveniste approach
29 June 2017 9,837 3 View
currently i am working on impact analysis of a Armour.I am using ANSYS autodyn for simulation but i am stuck in calculation of residual velocity.
29 June 2017 9,839 1 View
Composite materials volume fraction = volume of fiber /volume of composite Weight fraction = weight of fiber / weight of composite
28 June 2017 3,945 4 View
I have developed with E-glass fiber/epoxy composite and tried to make hole with CNC drilling based on the optimum condition. But delamination and poor surface roughness were observed. So, kind...
20 June 2017 988 7 View
It‘ s a dissertation
15 June 2017 9,859 3 View
Recently various papers were published about micro structures based on various theories such as strain gradient and couple stress. What is the best reference for material properties of various...
12 June 2017 4,148 2 View
Hi all During hot press I am facing major problems in EPDM composites fabrication. Mixing temperature: 190 degree C for 15 minutes and hot press 200 degree C,. After the hot press, the EPDM cross...
08 June 2017 5,433 2 View
My research is related to the thermal performance (thermal conductivity and thermal resistivity) of concrete slabs and wall panels under elevated temperatures using ABAQUS (finite Element Analysis...
07 June 2017 9,724 1 View
I am about to test small scale prism specimens for flexural strength. However the machine broke down, henceforth is it acceptable if I take out the prism from the water bath (after 28 days) and...
06 June 2017 626 3 View
modeling,elastic modulus, hybrid reinforcements, polymer matrix composites
04 June 2017 2,618 5 View
How can I calculate the properties of a woven composite? Considering that for a unidirectional we can use rule of mixture, is there any similar relation or equation that can be used to calculate...
01 June 2017 7,531 3 View
In composite materials based on the mixture of conducting charges (filler) and polymeric matrix, several works have proven that there is an interphase zone.In this case, could we consider the...
31 May 2017 4,545 3 View
modelling of short/mat fiber reinforced hybrid composite and analysis the mechanical behaviour
30 May 2017 4,473 1 View
I want to perform compression test for a composite sample. What should be the dimensions of the sample? Can anyone provide ASTM protocol for compression testing?
29 May 2017 3,841 6 View
I just want to know: the breeding techniques in the production of hybrid seed, composite seed and synthetic seed as well as the advantage and disadvantage of using each of the variety in crop...
24 May 2017 5,843 4 View
Knowing the density values what is the formula for finding density of polymer composite.
24 May 2017 1,599 2 View
We are looking for a simple method to separate compact bundles of (very fragile and stiff, not to be compared with mineral wool for example) chopped ceramic fibers. The fibers shall be dispersed...
22 May 2017 9,365 2 View
I want to Know How different weight percentages are calculated for different individual elements in a composite material
22 May 2017 758 3 View
Dear all, I would like to know whether the selection of RVE for numerical analysis from the periodic fiber distribution of micro structure is size dependent or not. Lets, say If I selected RVE...
22 May 2017 9,282 3 View
Im looking for a procedure to load aluminium onto already synthesized hydrophobic silica aerogel
18 May 2017 3,121 2 View
For some application is it necessary to achieve a high qualitiy of the cutting surface. To what extend it will be possible to transfer the effects from shearing of sheet metal materials to...
15 May 2017 2,944 3 View
I am simulating the free vibration of viscoelastic beam.I know the elastic modulus ,the poisson's ratio and the density of the material. With abaqus, in formula option I need the folowing...
11 May 2017 7,832 2 View
I need to model a CFRP part in either Abaqus or Msc. Patran to simulate the Resin flow in laminate and also determine the Thermal-Stress developed in part during autoclave curing process. Should...
11 May 2017 9,361 1 View