is there any material whose colour changes with time.
silica gel, the most common one.
Is there a time dependency effect on fracture toughness of spot welded Dual Phase 780 DP 1200 steel specimens??? just after welding fracture toughness appears to be 1,5 kn and after some days the...
03 April 2016 7,438 0 View
The thermodynamic relevance?
01 February 2015 8,934 7 View
01 February 2015 7,376 1 View
31 December 2014 3,319 3 View
please explain.
31 December 2014 8,643 4 View
Since at elevated temperatures slip planes also get activated and it becomes ductile why is it that it shows cracking behavior? Is it something to do with thermodynamic concept as well
31 December 2014 5,776 2 View
11 December 2014 3,796 1 View
In regard to schmid factor the two different angles are complementary to each other?
11 December 2014 5,189 7 View
tm ( sec) ~ 10-6 / P (0.2)where P is the pressure in mbar. what is the physical interpretation of this?
10 November 2014 1,504 1 View
Under what conditions work can be a state function.and if yes does this thing applies to other non state functions like (heat).?
10 November 2014 543 2 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...
03 March 2021 687 1 View
I looking for ferro calcium production process
03 March 2021 1,755 4 View
Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...
02 March 2021 4,119 3 View
As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...
01 March 2021 8,840 1 View
I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....
01 March 2021 3,325 2 View
To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...
01 March 2021 8,683 4 View
I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...
28 February 2021 298 3 View
I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...
28 February 2021 2,004 3 View