What is the reason for having the given impression [as attached in the figure] during forging process?

I want to know the reason for the impression as shown in figure after hot forging of composite material. I have done a step wise hot forging of cylindrical shape ingot and after hot forging the...

09 October 2018 2,941 13 View

How to calculate required hydraulic oil in liters for given load capacity of hydraulic forging press?

hydraulic forging press of 400 ton capacity required how much quantity oil. all the other parameters are known.

06 July 2018 1,079 1 View

Which one is better finishing technique sand blasting (Mechanical) or Chemical technique?

i want to know the advantages & disadvantages of mechanical (specifically sand blasting) & chemical finishes. The end product for finishing is composite sheet as well as ingot having main...

06 July 2017 2,425 4 View

What should be the design of die for open die forging of circular billet into a rectangular bar (fig attached)?

i want to forge a circular billet in to a rectangular bar (figure and dimensions are attached in doc) using open die hydraulic press forging . Can any one guide me what should be the design of Die...

31 December 2016 4,083 5 View

Which type of balls (shots)are used in shot blasting or wheel blasting of Composite sheet(aluminum alloy + boron carbide composite)?

which type of shot (balls) will be used in shot blasting of sheet made up of Composite((Aluminum alloy +boron carbide composite) or for (Aluminum alloy +silicon carbide composite)

06 July 2016 9,760 1 View

How to wash the alumina tube?Which chemical is best for washing the alumina tube so that no cracks form on surface of tube?

01 February 2016 8,641 4 View

How can I find the required load in hot forging process?

11 December 2015 4,795 5 View

How to calculate the properties of re- in forced concrete if we know how much reinforcement is there?

For example if concrete have E= 200 Mpa and Rebars have 500Mpa then how to find the Modulus (E) and other properties of the re- in forced concrete?

05 June 2015 6,159 0 View

How might I calculate the properties of reinforced concrete if we know how much reinforcement there is?

05 June 2015 1,348 7 View

How can I model the indentation process in Pro Engr aur in ANSYS?

i have to model vicker indentation process in which i have to make indent on the plate can any one help out me how to model it??

03 April 2015 7,065 2 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View