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

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

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

How can you bring two structures together to create an adhesive bond in LAMMPS?

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

What is the density for pva electrospining?

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

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

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

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View