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Questions related to Metallurgy
The heat treatment sequence involves quenching to a temperature between the Martensite-start (Ms) and Martensite-finish (Mf) temperatures, followed by a "partitioning" treatment either at, or...
07 July 2016 1,514 1 View
Specific Application please.
07 July 2016 3,445 2 View
I am looking for ways to produce powder from an aluminum bar. I can't find an available grinder/mill, so I am looking for an alternative. I saw a method wherein a steel plate and a steel bar were...
08 June 2016 4,038 15 View
cooling time between w2 and w3 that is usually explained by cycle time is important to martensitic formation was complated. for this reason, any conclusion by cooling rate in RSW and uses TTT and...
08 June 2016 9,662 1 View
I'm studying combustion of nickel coated aluminum particles. so one of the topic is phase diagram of nickel and aluminum. I read theory of it that at certain compostion if we are quenching then...
06 June 2016 9,789 9 View
AISI 4140 HSLA heated up to 845 degree C and then quenched in oil. What kind of micro structure should I expect? Also After quenched it is again tempered at 500, 600, 700, 800 degree C. In these...
06 June 2016 8,968 3 View
06 June 2016 7,613 1 View
06 June 2016 5,117 16 View
Structure evolution of martensite under tempering is commonly considered in terms of the dislocation density decrease and the carbon re-distribution together with related carbide reactions,...
06 June 2016 699 6 View
Iron and Steel making, Stainless steel making
06 June 2016 8,634 1 View
Precision of orientation and misorientation angle+axis are crucial in terms of analyzing the EBSD data in very smaller ranges. For reference, I am attaching Wilkinson 2001 paper on exactly same...
26 May 2016 1,582 5 View
The effect of Al alloying on the deformation behavior of hcp Ti is summarized. It is found that the hardening rate (i.e., the slope of CRSS vs. Al concentration curve) of prismatic slip is higher...
18 May 2016 8,826 9 View
i need TTT diagram
17 May 2016 9,052 3 View
Is there any way to quantify the volume percent of recrystallization?
15 May 2016 3,160 4 View
Hello, I have an aluminum plate, 1mm thick, but I need what side of it to be non-conductive AND prous (a few micrometer pores, 50% porosity). I thought transforming a few micrometers of aluminum...
05 May 2016 6,714 2 View
05 May 2016 3,010 6 View
a book that explains step by step mathematical calculation of parameters to design a deep drawing die
05 May 2016 4,485 6 View
Hello Researchers, I have Nickel, Manganese and Tin powder (particle size is less than 100 micrometer for all). I want to make single phase alloy by arc melting technique. Oxides are not desired....
05 May 2016 7,320 5 View
05 May 2016 7,053 4 View
05 May 2016 6,558 5 View
Hi all Currently we are trying to perform the standard method of ISO11494, but due to the standard only goes up to 95% fineness and we would like to increase to 990 or even higher. Does it seems...
05 May 2016 5,050 0 View
Grey cast iron has a small amount of graphite that shouldn't be in nodular shape. By adding Magnesium (with less amount of Calcium) and Sulfur, the morphology changes to spherical. This morphology...
05 May 2016 2,138 4 View
05 May 2016 3,976 3 View
we annealing Haynes 188 (Co-base alloy) in different temperature and after we observed some twining in it (annealing twin). i want comparison whit together, i estimate volume fraction of twin...
28 April 2016 4,216 2 View