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Dr. Foundry
เข้าร่วมเมื่อ 7 พ.ย. 2010
This channel contains tutorials related to microstructure analysis, metalcasting, and machining that may be useful to students and researchers at both Saginaw Valley State University and other institutions.
Effect of Mold Vibration
This video demonstrates how mold vibration refines the structure of an alloy and assists solidification. Notice all the small crystals that form.
มุมมอง: 932
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Effect of Superheat on Skin Forming Alloy
มุมมอง 1278 ปีที่แล้ว
This video covers the effect super heat has on a skin forming alloy.
Skin Forming Solidification
มุมมอง 4088 ปีที่แล้ว
This video provides a look at how a skin forming alloy solidifies.
Mushy Forming Solidification
มุมมอง 6978 ปีที่แล้ว
This video provides an example of a mushy forming alloy.
Convection Currents
มุมมอง 1658 ปีที่แล้ว
This video uses the NH4Cl-water analog alloy to demonstrate convective currents that form during solidification.
Effect of Inoculant
มุมมอง 1.2K8 ปีที่แล้ว
This video shows the effect an inoculant or grain refiner has on solidification. The crystals being added are ammonium chloride.
Mushy vs Skin Forming Solidification
มุมมอง 9718 ปีที่แล้ว
This video compares a mushy vs skin forming alloy
Effect of Superheat on Mushy Alloy
มุมมอง 2268 ปีที่แล้ว
This video provides a comparison between low and high superheat for a mushy alloy
Ternary Alloy Solidification Paths
มุมมอง 9K9 ปีที่แล้ว
This video provides an introduction at determining how a ternary alloy will solidify and how to determine compositions and phase fractions along that solidification path.
Ternary Phase Diagram for a Ceramic
มุมมอง 3.5K9 ปีที่แล้ว
This tutorial shows an example of reading the composition of a ceramic material from a ternary phase diagram.
ternary diagrams
มุมมอง 16K9 ปีที่แล้ว
This video covers the basics of a ternary phase diagram and how to determine compositions from it.
Proeutectoid calculations
มุมมอง 20K9 ปีที่แล้ว
This video provides and example of how to determine the proeutectoid phase and the amount of that phase and pearlite in a steel.
Percent Nodularity Both Methods Script
มุมมอง 1.9K10 ปีที่แล้ว
Percent Nodularity Both Methods Script
Dual Phase Linear Intercept Tutorial Script
มุมมอง 1.5K10 ปีที่แล้ว
Dual Phase Linear Intercept Tutorial Script
Porosity and Inclusion Measurements Script
มุมมอง 38K10 ปีที่แล้ว
Porosity and Inclusion Measurements Script
Thank you
Good night, I was trying to analyze the porosity of cork in the image j , however I am not getting it. I already used another software but I had to select the pore samples due to the different collerations of them and so the software was able to identify them, however in the imagej i am not able to do so , can you help me?
Did you find anything , i am trying to find the surface porosity of a concrete block surface but I can't set the scale as we did not put it in image as shown above any work arounds?
From where, i can find out this method. Because i need to give reference for this method
There is not a reference for the method. I suggest making sure that you document all the settings you use in your written procedure. Of particular importance is the circularity and size parameters.
@@DrFoundry Thanks for the reply...I need to mention the reference while writing journal paper and i am not able to find any paper which mention this method....Can you please suggest me any book or any journal paper which use this method.
@@RAMABALHARA hi bro Did you find anything , i am trying to find the surface porosity of a concrete block surface but I can't set the scale as we did not put it in image as shown above any work arounds?
Hello ! Can you explain ,how to find the maximum and minimum diameter of nano-particles and volumetric content(Vv%) of the nano-particles using image j? Thanks a lot .
A couple things. You may want to look at my tutorial on measuring porosity and inclusion. ImageJ does not really have a great way of doing what you are asking for maximum and minimum diameters. You need to use the Analyze Particles command, paste the results into Excel, and use the min() and max() functions in Excel to find those values. As for volumetric percent, stereographic projection theory demonstrates that volume percents are roughly equal to the area percent. Assuming you are looking at a nano-particle composite, you can simply use threshold to select the particles and have ImageJ determine the area%. Hope that helps.
why do we need more than one line to determine the grain size?
So which is the diameter of the pores
where u find the equation in the final tutorial for find persen pearlite?
kalau rumus lever rule bisa lu searching aja bro, di google banyak kok. FYI, itu dia hitung secara teoritis nya trus dibandingin dengan hasil ImageJ
thank you. it's a very good training.
Is there a problem if angle is not 90°? I have ribbons and straight line across specimen is not perpendicular...
If you have ribbons you probably want to look into measurement methods that are designed for anisotropic samples such as verticle sectioning and cycloid intercept measurements. Check out more info in this book: The Quantitative Description of the Microstructure of Materials.
is it a keyance microscope setup?
The description is a bit deceptive as there was no script used. Another method which could be used would be to use the grids plugin which automatically generates a grid of lines with a small amount of offset. then you can just go through with the multi point selector and count all the grain boundary intercepts. rsb.info.nih.gov/ij/plugins/grid.html