Could any one help me to explain the difference among sintering, calcination, and annealing?

More I Putu Tedy Indrayana's questions See All

Anyone can help me, please. How do calculate the bulk density of nanoparticle?

I have XRD data of ZnFe2O4 nanoparticles. I want to calculate the porosity of sample. I wanna use the equation P = 1 - (X-Ray density / Bulk density) such as represented in many papers. I am still...

02 March 2016 8,173 6 View

Anyone can help me, how to determine the error value of crystallite size and lattice parameter based on Scherrer's equation?

I found difficulties to decide which approach or equation should be used to determine the error value of crystallite size and lattice parameter that are calculated by using Scherrer's equation and...

11 December 2015 2,464 5 View

With NixZn(1-x)Fe2O4, if the Ni concentration increases the crystallite size becomes smaller and the lattice parameter becomes larger. Why?

I had synthesized nanoparticles NixZn(1-x)Fe2O4. When the concentration of Ni increase than the crystalite size become smaller and the lattice parameter become larger. Thanks

10 November 2015 2,136 10 View

Could anyone tell me how to plot Tauch plot base on UV-Vis data?

Gap energy is fundamental quantity to investigate the optical properties of material. Gap energy can be obtained from Tauch plot base on UV-Vis data (transmittance v.s. wavelength). Somehow, the...

07 August 2015 4,642 15 View

How can I measure the relaxation time T1 and T2 of sample in the form of nanoparticles for contrast agents application?

In other be able to justify a sample that can be used as contrast agent in MRI, so some requirement must be taken into account, such as magnetic properties, optical properties, and relaxation time...

07 August 2015 8,496 5 View

How do we determine the cation distribution of spinel ferrite?

Dear Jitendra Pal Singh I would like to determine the cation distribution of spinel ferrite nanoparticle. My material is CoFe2O4 nanoparticles. As I have read, the cation distribution can be...

01 January 1970 9,589 3 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

Need heterogeneous catalysts calcined before reduction?

Metal-containing heterogeneous catalysts often need to be calcined before reduction, so what are some examples of catalysts that perform better without calcination? What is the reason and how many...

05 August 2024 909 2 View

Can't spin-orbit coupling(SOC) be included in optical properties calculation in CASTEP?

I am currently using CASTEP version 2020. When I want to run optical properties calculations with spin-orbit coupling(SOC), I encounter the following error in a pop-up window before the job gets...

02 August 2024 2,890 0 View

Non -oxidizing metal binders?

I'm trying to sinter some Nb parts and I'm trying to find a binder which does not produce oxidative compounds when it decomposes.

25 July 2024 9,823 3 View

I have calcined my catalysts without flowing air from the compressed air cylinder will there be any problem with my reaction if i use that catalysts?

FYI Catalyst is MFI zeolite Si/Al = 140,25.40.11.5,15 I am using this catalyst to study methanol to DME conversion

25 July 2024 2,486 2 View

How to saturate steel samples with hydrogen?

I have tried to saturate ferritic steel with hydrogen using the electrolytic method and H2SO4. However, the effect was very poor even after 3 days of "saturation". Can anybody help in choosing a...

24 July 2024 4,393 2 View

Why my gel electrophoresis has smearing?

Greetings. I’m currently running a nested pcr for giardia. My mastermix comprised of 3mM Mgcl2, 5unit of taq polymerase, 0.2uM of forward and reverse primers each respectively and 0.2mM of dNtp...

22 July 2024 9,761 5 View

Concentration of gelatin as brain model ?

I am using gelatin to model mechanical properties of brain tissues in-vitro. Do you have any suggested concentration ? Thank you so much.

19 July 2024 3,095 0 View

A twin-shaft kiln or a rotary kiln for lime production 1 class? if compressive strength of limestone is low 60 MPa?

My research work is related to the calcination of limestone. I have a complex question and would like to consult with experts in this field. Could you please advise which kiln to choose (a...

18 July 2024 1,390 2 View

What could be the possible reason that sintering of polycrystalline diamond fabricated with tape casting has suddenly started failing?

I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...

16 July 2024 3,212 5 View