15 Questions 11 Answers 0 Followers
Questions related from Elmira Tavasoli
I modifed short carbon fiber and use it in epoxy matrix and I want to know how its modifcation can affect viscosity and how agglomeration can affect viscosity? please introduce some good papers...
08 March 2016 2,055 1 View
please guide me through this calculation in the attached file, there are two tables as following: table one: Surface energies table two: work of adhesion In addition to this, there is an equation...
19 February 2016 1,068 9 View
please some body explain me the parameter in cross and cross-Williamson EQUATION COULD I SAID THAT: For the small values of infinite shear viscosity, the Cross-Williamson model (1965), can be...
08 November 2015 2,514 1 View
i have viscosity diagram vs shear rate i want to use cross model but i dont know how to calculate the C and m and n zero and n infinity the equation is in the attachment please some body explain...
05 November 2015 9,415 5 View
hello all,i have another question:if there are some voids and stress concentrations sites in my nanocomposites....which one is affected more by these defects, flexural properties or tensile...
27 October 2015 1,399 3 View
Dear all, i have done surface modification on graphite nano platelets and i want to use this nanofiller in epoxy resin My SEM micrographs shows that the interface of nanofiller and epoxy resin has...
25 October 2015 3,817 30 View
hello all, i want to know what the relations between these following parameters are in an isotropic material: 1. relation between tensile strength and flexural strength in isotropic material 2....
21 October 2015 3,550 20 View
how to calculate Flexural Strength and Modulus? I meant 3 point bending i have done 3 point bending on a composite..... i have my own data here in excel form.... please some body help me and tell...
08 October 2015 277 4 View
I have grafted Glycidyl Methyl Acrylate (GMA) on polyethylene, and then I immersed these grafted fiber in polyamine solution for 4 h 90OC. and I want to know whether the epoxide ring opening...
01 July 2015 707 2 View
i want to synthesis super aligned CNTs (yarns) by chemical vapor deposition but the problem is that the synthesized CNTs aren't vertically aligned...they are horizontally aligned....what is the...
23 June 2015 8,789 7 View
I know there are different acids for doping PANI but my question is as following: HCl is stronger than H2SO4 but some articles say that H2SO4 is better doping acid for PANI (EB), what is its...
14 March 2015 474 7 View
Hello every body, issue number one I cast polyaniline emeraldine base/ NMP in petri dish then I would like to doping I know there are many different acids used for doping, please give me priority...
09 March 2015 7,468 6 View
I have two cases: number one: I doped 20 gr poly aniline film in 20 cc 1 molar HCL for 4 hours. number two: I doped 40 gr poly aniline film in 20 cc 1 molar HC for 4 hours at the same condition as...
07 March 2015 1,373 4 View
i disperse PANI (emeraldine base) in NMP (100 mgr of PANI in 3 ml NMP) then i dry the glass petri dishes containing the above solution (110 oC for 4hours) the final step i have only HCl i want to...
25 February 2015 4,350 14 View
would you mind doing me a favor and answer the following question: I want to produce free-standing and felxible conductive PEDOT:PSS nano film:what is the best substrate to use for this...
13 December 2014 8,688 3 View
