Questions tagged [welding]

Use this tag when the question deals with the process of making a weld. For questions about weld design or the use of welds, use the [welds].

12 questions with no upvoted or accepted answers
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how to calculate the speed ratio (Rotational speed to advancing speed) in friction stir welding

I am a student and I work in the friction stir welding of a hardened aluminium alloy 7075-T6, and I want to confirm about this information before I put it in the article. I found in the literature ...
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29 views

How to weld a copper flange with a Nickel alloy pipe?

I have a copper flange and I want to weld it to a nickel alloy pipe. Normally, which welding technique is used to join these two parts? Also what is the filler material to be used to weld a copper ...
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20 views

Is it possible to silver solder a reliable grounding connection to a stainless steel ultrasonic cleaner tank?

My ultrasonic cleaner has a stainless steel tank with a threaded grounding stud for fastening a mains earth wire. I tried to tighten nut that fastens the ground terminal to the stud, but the stud ...
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455 views

What are the benefits of a digitally controlled TIG welder?

There are "analog" TIG welders where the parameters are directly controlled by rotary knobs and buttons. For example this one. Then there are "digital" ones where parameters are controlled by one ...
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33 views

What is the smallest size of pipe to which I can Weld a 1 inch pipe Perpendicular to the Axis?

I would to know what is (or how to calculate) the size (dia) if the smallest pipe to which I can weld a 1 inch pipe from the side of the bigger pipe perpendicular to its axis (like a tee).
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67 views

Welding rods: Why are some DC and other AC also?

The last time I welded was too many years ago in engineering school but a friend and I recently bought a welding machine and have set about trying to learn how to weld. In researching what welding ...
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11 views

ANSYS - How to extract reaction forces in the critical plan of the weld?

I work on ANSYS WORBENCH and I want to extract the reaction forces in the critical plane of the weld, note that weld is circular.
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32 views

Angled Nozzle on Pressure Vessel - Weld Preperation

I wonder if anyone can help! I'm trying to model 3D geometry of nozzle to shell weld. I am having issues ascertaining correct bevel angle at a given point. Surely the bevel angle would change due to ...
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13 views

what kind of welding setup to mig weld high-temp stainless

In my initial foray into welding I am looking at welding some 300-series stainless tube, no thicker than 1/4" and more likely 1/8". I have not yet purchased a welding machine, and wanted to ...
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24 views

How is calcium and aluminium wire feeding different from each other?

How is Aluminum wire feeding different from that of Calcium wire feeding as far as the purpose is concerned also what I do not understand is what has wire feeding to do with the purpose and how are ...
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33 views

Phase prediction by cct diagram

Can someone please help in finding out the phase proportion of each phase w.r.t time , cooling rate and temperature by using (mathematical model to predict phases from given cct diagram) Leblond ...
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How to find phase proportion at equilibrium - from iron-carbon diagram - Leblond

{Equilibrium proportion P, this is the proportion which is reached at a constant temperature after an infinitely long time:P is also the austenite proportion in the case of extremely slow heating. It ...