Anyone knows that what is this kind of powder that are using for leakage repair of castings?

some of the Chinese manufacturers use special powder for repairing leakage of pipe and fittings after casting. they heating the pipe wall and then add this powder on the surface of leakage area.

07 August 2019 5,694 3 View

What is the best method for repairing blow holes and leakage in as-cast ductile iron pipe and fittings?

do someone has any resource about repairing leakage in as cast pipe and fittings?for example welding, powder or polymer repairing agents.

05 June 2019 2,258 10 View

What is the best process for adding ferrosilicomanganese to Steel molten metal?In furnace or ladle?

We faced with decreasing tempreture when we add manganese in ladle and the material consumption is higher when we add it in furnace what is the best way for adding this ferroalloy to steel molten...

31 December 2018 9,007 3 View

What is the process for 3d PVC wall panels and ceiling tile and back splash?

i'm looking for process that PVC 3d ceiling tiles is producing. i think it has a special production method except molding by injection-extrusion &... . please introduce me exact process for...

03 April 2018 2,777 1 View

Could you please introduce me a cheaper electrode that have same performance as SC NiFe-1 or SC NiFe-2 for ductile iron MIG welding?

06 July 2017 8,056 1 View

Have someone resources for refractory lining of induction furnaces for steel making ?

i need some good resource for selection and read about refractories that are suitable for use in induction furnaces for steel making

07 August 2016 4,997 2 View

How could we improve silica ramming mass refractory lining life time?

07 August 2016 7,183 1 View

How can I find this amplifier that is installed on a instron 5585H tensile testing machine?

I need to know how could i find the model of this amplifier that is installed on a instron 5585H tensile testing machine. this amplifier is out of work now and we cant use or tensile testing...

06 July 2015 6,121 3 View

I have some certified reference material codes that i can find supplier! can every one help me to find this standard reference materials?

01 February 2015 4,355 1 View

What is the ingredient of kinetic or living sand?

09 October 2014 6,981 4 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