Sudhir Kumar

23 Questions 18 Answers 0 Followers

Questions related from Sudhir Kumar

Joining of Shape-Memory Polymers (SMPs) by friction stir welding feasible or not?

Joining of Shape-Memory Polymers (SMPs) by FSW successfully possible or not? Your opinion is highly appreciated Regards Sudhir

01 January 2019 5,337 0 View

How entanglements of polymer chain affect friction stir weld quality?

Please suggests mechanism related to entanglements for FSW of ABS polymer. Your opinion is highly appreciated Regards

01 January 2019 9,918 0 View

If ABS and PC are to friction stir welded, why the offset is important, which side, how much and what is its effect?

Your opinion is highly appreciated Regards Sudhir

12 December 2018 7,719 2 View

Which tool material and pin profile is most efficient in friction stir welding of polymer??

Tool material for friction stir welding of polymer

12 December 2018 5,855 0 View

Effect of electromagnetic radiation (mobile tower) on birds, animals, crop, plant and human? How we will safe from electromagnetic radiation?

We know that Cell phone industry is becoming another cigarette industry, which kept claiming that smoking is not harmful and now there are millions of people around the world who have suffered...

12 December 2018 5,892 4 View

How will calculate porosity % in case of FSW of polymer?

FSW of polymer

11 November 2018 4,500 0 View

I couldn't find any of the following phase diagrams : Phase diagram of: dissimilar polymer.?

Does anyone have any idea about phase diagrams of dissimilar polymer? I hope someone can help me, as far as I have searched, I could'nt find any of the following phase diagrams : Phase diagram of:...

11 November 2018 9,898 2 View

What is relation between welding parameter and hardness of Polymeric material welded in friction stir welding?

FSW of polymer

09 September 2018 9,509 0 View

How to give rotational velocity of swash plate in boundary condition in fluent.if i do so it will take rotation of shadow of swash plate?

after iteration the solution is not converged, it shows error as temperature divergent in AMG and increase relaxation sweep. i am using energy equation with laminar condition.my objective is to...

03 March 2018 1,000 2 View

Suggest some idea for good weld quality & increase joint efficiency for joining of polymer by friction stir welding?

Friction stir welding

06 June 2017 2,894 2 View

What is maximum and minimum thickness of polymer (butt joint) that can be welded by friction stir welding?

Friction stir welding of polymer

05 May 2017 295 1 View

Which tool material is suitable for joining ABS plate of 6mm thickness and which dimension of pin and shoulder are suitable by friction stir welding?

Mild steel tool is suitable or not?

05 May 2017 8,808 6 View

Friction Stir welding of disimilar polymer amorphous & semi-crystalline sucssefully possible or not?

Friction Stir welding of polymer

05 May 2017 4,952 0 View

Kindly Provide some papers or links or suggest step by step SEM and OM specimen preparation techniques after FSW of Polymer ?

FSW of Polymer

04 April 2017 398 0 View

What are Applications of Friction Stir Welding (Butt Joint) for joining Polymer and Metal ?

Friction Stir Welding (Butt Joint)

02 February 2017 7,768 1 View

What are Applications of Friction Stir Welding (Butt Joint) of Polymer ?

all researcher

02 February 2017 7,396 6 View

What is the difference between a composite and an alloy?

02 February 2017 1,325 4 View

Can we use friction stir welding for joining Polymer and Metal?

all researchers

02 February 2017 3,355 4 View

How to overcome from shyness, introversion and social anxiety?

There are shy students in every classroom. How do you help these students step out of their comfort zones and active participate in class? Please share your thought. Your opinion is highly...

01 January 1970 4,268 11 View

During tensile testing of welded specimens flash removing required or not?

Please share your thought. Your opinion is highly appreciated Regards

01 January 1970 5,589 14 View

Drinking tea immediately after breakfast good or bad?

Your opinion is highly appreciated Regards Sudhir

01 January 1970 9,209 3 View

How do authors keep their unpublished manuscript safe from others?

Your opinion is highly appreciated Regards

01 January 1970 3,197 27 View

What is the recent trend in joining of polymer by friction stir welding?

Currently, I think joining of polymer by friction stir welding using special design tool are the current trend. Please share your thought.

01 January 1970 5,353 3 View