Sheet steel laser cutting?

If you have a laser cutting machine that can cut a steel sheet up to 10 mm thick, is it possible to cut a 20 mm steel sheet in two consecutive passes? If the answer is yes or no, why?

09 October 2019 9,277 3 View

Lubrication regimen in pin on disk test?

I know that a way to establish the lubrication regime in a pin on disk test is by measure the resistance between the pin and the disc. Some papers say that if the resistance is of 2 ohm, the...

05 June 2019 7,779 3 View

How to create a mechanical engineering graphical abstract ?

Hi People. Here in RG there is a similar question but for works in biology. Some of you know if is there any software available to design mechanical engineering graphical abstracts ? Something...

31 December 2018 3,415 2 View

Warm forging of SAE 1045 steel?

Hi People. I need to know the temperture range for making warm forging of SAE 1045 steel.

31 December 2018 4,546 0 View

Hot forging dies made by SAE H13 tool steel?

Please. I need to know what level of hardness provide a equilibrated behaviour between wear resistance and toughness. Also, if a ionic nitriding treatment reduce the friction factor between the...

10 November 2018 6,466 1 View

Redes neuronales artificiales?

09 October 2018 8,748 0 View

Turning of low carbon steel?

People. I need your colaboration. What value of hardness do you think is the minimal to not worsen the maquinability level of the steel? I work with steel of 0,1% C. I some of you have a paper, is...

08 September 2018 9,234 3 View

How do I assess ignition risk during magnesium turning?

Some people say that the risk is bigger when the chip particles size are 500 micrometers or minus? What is the reason of this size?

07 August 2018 7,570 0 View

Recrystallization temperature of one steel?

Please. I need information about the recrystallization temperature of SAE 1010 steel, and also the temperature range for warm forging.

05 June 2018 5,685 3 View

Testing methodology of surgical drills used in bone applications?

Hi People. I need your help in relation to obtain technical information about testing methodology of surgical drills used in bone applications. This information may be standards, papers, and so...

02 March 2018 2,232 6 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

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

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Is there a way to grow biofilm in lab to mimic biofilms in showers and baths? Also, how can I measure it?

Hello, I am new to biofilm research and have a question about growing and measuring biofilms. We want to research the effect of a type of enzymes in breaking down biofilms in showers, baths, hot...

14 February 2021 3,522 3 View

How can I check similarity between two signatures?

I want to train a model that should predict if a given signature is a genuine or a forged one. The model should take two images as input. One is the real signature, and the other is to be...

11 February 2021 4,436 3 View

About forging of Mo Alloys ?

Hello dear Academicians, I am working on the forging of Mo alloys, but I wanted to consult you on an issue I could not solve. Mo is easily oxidized during forging and MoO3 is formed. Is it...

09 February 2021 1,989 3 View

For Carbon-emission free steelmaking by electrolysis with nonoxidizable electrode in EAF, what would be electrode material?

While CCS can be employed along with a conventional Carbon-efficient EAF steelmaking process (especially from iron ore) or even Hydrogen or hydrocarbon can bee passed through central electrode,...

30 January 2021 3,378 1 View

What are the thermodynamic and kinetic similarities and differences among dendrite formation during solidification of metals, ceramics and polymers?

Basic dendrite formation of metallic alloys are explained by thermal and constitutional degree of supercooling and most-supercooled band of liquid somewhat ahead of solidification front that...

30 January 2021 8,450 2 View

How much Ti and B (in ppm) is required for effective grain refinement and why?

To have the desired grain size in 6061 and 6063 Al alloy, what should be the minimum % of Ti and B pick up and what is the chemistry/metallurgy behind that?

07 January 2021 9,305 2 View

Which analysis method in XRD analysis is the most accurate way to measure crystallite size & lattice starin? Scherrer, Williamson-Hall or Rietveld?

Here are three different ways to calculate crystallite size and lattice strain of a sample, based on XRD peaks: "Scherrer" calculation, "Williamson-Hall" or "Rietveld". Each calculation is proper...

04 January 2021 7,836 4 View