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Questions related to Materials
The 2010 Nobel Prize in Physics was awarded to two research pioneers working on graphene, a material that could have myriad high-tech applications. Why is Graphene not yet being used in industrial...
10 October 2018 4,065 6 View
I want to know the permissible void content percentage (porosity) in the Glass fiber epoxy composites for different applications. I am using hand lay-up followed by compression molding to prepare...
10 October 2018 5,968 7 View
Is there any element type available to model viscoelastic material ? There is only option available to model viscoelastic material in ANSYS is using prony series but that couldn't help me.
09 September 2018 1,161 6 View
I develop silicone rubber composite using MQ resin as a filler. I used thermoforming process to make a pad. Before I blend silicone rubber with MQ, I dissolved MQ with toluent with ratio of...
09 September 2018 5,531 0 View
One such type of electro-elastic coupling is Constitutive relations : {stress} = [C] * {strain} + [d] *{E}; {D} = [d]*{strain} + [permitivitty]* {E}
09 September 2018 779 17 View
Titanium is a transversely isotropic material. Do any of the Epoxy resin based Composite materials or FGMs (Excluding ceramics) bear similar characteristics? Specific requirement - Light weight TIA
09 September 2018 9,221 5 View
Normally, representative volume element (RVE) of the composite is independent of geometry. There are several homogenization methods available that defines regular shaped like rectangular,...
09 September 2018 703 4 View
Aim is to introduce different amounts of oxygen into Zr and study its deformation behaviour.
04 September 2018 1,176 8 View
I want friction coefficient values of various standard metals such as EN10025-2 EN JS1072 UNS C27400 UNS C93200 UNS C95800 UNS C95800 UNS J02501 UNS S15500 UNS S31635 (EN 1.4571) I couldn't find...
04 September 2018 7,093 3 View
Preparing an article on fatigue crack propagation , I am wondering what is the most appropriate /most commonly used expression for R = Kmin/Kmax? --> R-ratio (Well, the R already stands for...
08 August 2018 8,434 0 View
I need to map the grain boundaries of metal, and I want to understand why Sodium Hydroxide can be used for this?
20 July 2018 5,026 3 View
I am trying to find out the ideality factor in solar cells which are made of ferroelectric materials such as BiFeO3. These devices are not working on p-n junction model. So need to know some basic...
07 July 2018 6,672 15 View
How to understand lattice and sublattice in crystal structure theory of solids ?
07 July 2018 9,361 5 View
We know that hardening and brittleness go hand in hand in most of the cases.Please explain me what it means physically while it often confuses us when we realize that it is brittle.Please answer...
13 June 2018 2,901 10 View
i am getting problem with butter paper because it did not carry the amount of chemical which my study need.
06 June 2018 6,485 0 View
I am looking ones that works at vacuum. Good thermal coefficient ceramics are OBe and ALN. The first one is poisonous. The second one can be obtained by burning aluminium in liquid nitrogen, but I...
06 June 2018 8,869 2 View
For a cubic structure (namely FCC, BCC, or simple cubic) we can always draw a plane and predict the plane which has highest density of atoms. Is there any rule of thumb to arrive at such a plane?...
06 June 2018 4,050 4 View
Dear Researchers, Can anyone help me by giving mineral and chemical composition of river sand??
05 May 2018 2,963 5 View
I am interested in grinding wheel technology for food grinding application. The targeted materials to be grind are spices, cereal grains, pulses and other similar stuff. The grinding wheel should...
10 April 2018 3,061 6 View
04 April 2018 2,688 7 View
For reference, our team is chiefly interested in materials that could be printed using a Form 2 (3D Printer). The only condition for this is that the material be a liquid that solidifies or...
03 March 2018 9,528 6 View
Dear all, Greetings, I need very basic and fundamental answer with suitable examples. Thank you,
03 March 2018 1,691 0 View
For corrosion protection
03 March 2018 8,015 3 View
One of the most important properties of polymers is tg .
03 March 2018 8,577 2 View