41 Questions 12 Answers 0 Followers
Questions related from Nekin Joshua
I've seen a research article that tested a polymer sandwich structure in 3-point bending according to ASTM C393. Their testing parameters included a 100 mm span length, a 2.0 mm/min loading rate,...
14 February 2025 9,659 3 View
Is it possible to submit a mini review in short communication. Please suggest some journals accepting mini review as a short communication.
09 July 2024 8,728 1 View
How to find the relative density of the 3D printed cellular structures like honeycomb, double arrowhead?
23 January 2024 7,186 2 View
I did compression test on Instron 8801 UTM machine. I like to validate my obtained compression stress, Compression strength value in simulation software. My crosshead displacement speed is...
28 August 2023 513 2 View
I tested my lattice structure using Instron UTM. I like to validate my compression testing result with the help of simulation software. The material used is PLA (Polylactic Acid). And the...
25 August 2023 1,176 0 View
Can I publish my design in my research article at the time of design patent submitted to IPR? Two weeks before I submitted my design to IPR for patent purposes, I would like to upload the...
26 July 2023 1,905 5 View
Is it ok to check Plagiarism multiple times using Turnitin or any other software? Some of my friends said plagiarism checking was allowed only twice. If we check for plagiarism a third time, it...
19 July 2023 4,584 3 View
Myself Nekin Joshua R. I like to do Fatigue compression test on 3D printed Polymer based Structure. What is the ASTM Standard for Fatigue Compression test on 3D printed Polymer based Honeycomb...
13 June 2023 2,438 8 View
Whether the colour of the 3D printing filament affects the mechanical strength. If affected, which one of the colours has a higher strength?
02 June 2023 2,380 5 View
For my research purpose I need a Composite 3D printing filament. Please share the cost details to manufacture a 1Kg filament using a twin screw extruder. And share the combination of filament...
15 May 2023 3,189 2 View
Dear sir/madam, How to calculate the Specific Energy absorption. Please share some example calculations to calculate Specific Energy Absorption.
15 May 2023 1,333 1 View
My 7years old German Shephard can not walk on his back legs suddenly. There is no fracture of legs. But my dog cannot able to walk. Please help.
05 May 2023 10,065 3 View
I have Compressive load, Compressive extension, Compressive strain, Compressive stress values. How to calculate Energy absorption of compression test.
21 April 2023 9,597 2 View
One of my friend completed his bachelor degree in mechanical engineering. But now likes to join in computer science engineering related master degree program. Is it possible to do masters in...
19 April 2023 2,377 9 View
Myself Nekin Joshua R, Research scholar from Vellore Institute of Technology(VIT), Vellore. I need a drop weight testing facility. Please let me know where it is available in India ( Preferably...
28 March 2023 7,383 3 View
My core structure is PLA and facesheet is fibre. I Like to do drop weight test. I like to do design my specimen in ASTM D7136 standard. Is the standard is correct?. And share the spemen size for...
22 March 2023 6,566 0 View
How to do quasi static compression test (2mm/min) in ansys Workbench? Please help me
10 March 2023 5,858 2 View
How to Place Carbon fibre as a factsheet over PLA 3D printed Honeycomb Structure? What are all the adhesives used to bind both facesheet and PLA core?
25 February 2023 6,983 1 View
One researcher did ballistic performance of kevlar fiber impregnated with nanosilica/ polyethylene glycol shear thickening fluid. And he loaded 10, 15, 20Wt% of Nanosilica with polyethylene...
22 February 2023 8,339 5 View
How to Calculate Energy absorption and Specific energy absorption during Compression test?
15 February 2023 8,644 2 View
I cannot find the PLA material in ansys. I tried to add PLA in library. After that also it shows error in PLA properties. Please tell the way to add the PLA, ABS in Ansys workbench. Thanking you.
13 February 2023 6,281 1 View
I want to know about CHAT GPT. What type of data we can collect using Chat GPT and how to use it. Thank you.
01 February 2023 4,103 6 View
3D printers use various polymer materials and metals. PLA, ABS, TPU, PETG, Peek, Ultem, nylon, Polyamide12, SS316, Ti-6Al-4V, Alsi10mg are some of the 3D printing materials. I need to know the...
30 January 2023 9,252 2 View
What are all the materials available for FDM type 3D printing. And Please share the Strength, Energy absorption characteristics of each material by comparing.
28 January 2023 9,327 3 View
I need to know about the ASTM standard Dimension for Quasi Static Compression testing and tensile testing. And what are all the other standards available to test our fabricated specimen.
20 January 2023 8,167 2 View
As per the article Filler Foams used in thin walled sandwich structures to absorb the impact energy. Commonly Polyurethane foam is used as a filler in sandwich structures. Please give me an idea...
18 January 2023 9,347 0 View
Ultem material has the melting point is 426 degree Celsius. Is it possible to print Ultem material in FDM 3D printer. I am having Creality Ender 3Max type FDM printer. Is any other printers can...
10 January 2023 8,548 4 View
Myself Nekin Joshua R. I like to do my research in Biomimic structures like Nacre, Auxetic, Conch Shell, Hexagonal cellular structure, Hourglass structure, Bouligand Structure. And 3D print the...
08 January 2023 1,504 2 View
I like to write one book related to mechanical engineering. I like to publish the book to the market. Please clarify my doubts. 1st doubt - Whether i can publish a book in my own hand writing...
10 December 2022 3,753 3 View
How to measure thermal conductivity of Fins in heat sink or heat exchanger.
24 November 2022 2,350 2 View
I like to pursue my Ph.D in Mechanical Engineering with Stipend. Please suggest the university in india and other global universities. Please help.
27 October 2022 6,637 6 View
I am having some project ideas. I like to convert into reserch proposal and apply for sponsored project. Please tell me the way to apply for sponsored project like DST, DRDO sponsorship.
27 October 2022 5,038 1 View
I like to do my Ph.D in mechanical engineering. My first option is Deemed to be University in India. And the Deemed to be university is approved by the University grands commission. But some...
11 October 2022 8,085 5 View
Normal car uses Radiatior system to cool down the engine system. But in Electric vehicle that there is no nead of radiators i think. Someboby told me electric vehicles using heatsink. Please...
07 October 2022 7,228 3 View
In my car radiator, the coolant leaking due to minor crack in the plastic. The crack is in the initial stage so no problem now. But coolant leak by drop by drop. I like to fill the crack in the...
07 October 2022 7,624 2 View
I like to do some project in surface engineering. I like to coat surface of automobile piston to improve its heat resistance and wear. Please suggest what type of coating is done. And what are the...
06 October 2022 7,212 4 View
I have Creality Ender 3 Max 3D printer. Please share the 3D printer STL file with me. It will help me to print . Beginner level.
22 July 2022 7,688 3 View
I am a mechanical engineering student. I need a project on design using solidworks and analysis using anysis. Please share some basic solidworks and ansys project with me. I will try to do. Thank you.
08 June 2021 568 7 View
I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...
01 March 2021 5,405 3 View
If The Laser head is parallel to the machine axis, the cosine error will be zero(θ=0). If the laser head tilted means the theta value will be some angle. My question is how to measure that...
26 February 2021 2,510 3 View
Dear sir, How to measure cosine, abbe, deadpath errors. I know cosine error, abbe error, deadpath error occurs in laser measurement. But how i can identify the cosine error value. Is any separate...
04 February 2021 5,310 4 View
