Reasons for different corrosion performance trend obtained for different samples evaluated using EIS, Tafel Scan and CPP test?

We have 4 different samples made of welded duplex stainless steel subjected to different aging conditions. Corrosion evaluation has been done in 3.5% NaCl solution for all the samples using...

31 December 2019 5,291 8 View

How to reveal/detect Cr2N precipitation in a duplex stainless steel weld metal?

Kindly tell how the presence of Cr2N can be detected in a duplex stainless steel weld metal. Any kinds of ideas like through XRD, Optical microscopy, SEM microscopy (with recommendation of etchant)?

05 June 2019 9,352 6 View

Which is the best etchant for revealing secondary phases like sigma, chi, nitrides apart from austenite and ferrite in a 2205 duplex stainless steel?

Looking for most suitable etchant for duplex stainless steel to reveal phases induced by thermal aging to be viewed under SEM. Kindly suggest etchant which can be used for CHEMICAL ETCHING method,...

03 April 2019 2,892 6 View

Most reliable method/technique/procedure to calculate volume fraction of secondary phases?

What is the most reliable and accurate procedure to calculate the volume fraction (in %) of secondary phases induced in a material due to external conditions like welding, aging etc. THANKS AND...

01 February 2019 321 5 View

What information does FWHM from a XRD pattern reveal?

What does fwhm physically mean and what information does it reveal about a material being it smaller or relatively larger (when comparing two samples)? Thanks and kind regards

31 December 2018 7,247 8 View

How to calculate 'm' and 'C' parameters in fatigue crack growth behavior testing of metallic materials?

Into learning the data analysis part of fatigue crack growth behavior testing

11 December 2018 8,212 0 View

What information does electrochemical impedance spectroscopy (EIS) testing results reveal about a material?

What is the best source to learn EIS procedure and associated analysis of results to compare different tested samples subjected to different experimental conditions? Would be great help if...

10 November 2018 4,510 1 View

How much time does it take for a citation to reflect in google scholar database?

Thanks and kind regards

10 November 2018 1,090 1 View

How to identify austenite and ferrite phases in a duplex stainless steel sample by XRD peak analysis?

As austenite and ferrite are not compounds, how do we identify their presence. Plz enlighten me about the procedure for such XRD analysis. For example: A sample of duplex steel has only two phases...

09 October 2018 9,040 3 View

A sample with high Ecorr and relatively low Epit value versus sample with relatively low Ecorr and high Epit. Which sample is more pitting resistant?

Duplex stainless steel tested in 3.5%NaCl solution using potentiodynamic polarization method for pitting behavior.

09 October 2018 7,283 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View