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

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

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 need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View