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].

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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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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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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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Proper name for this weld adapter/sleeve/stub

I'm studying the design and construction of viewports for vacuum systems. Usually, the window is bonded to a welding ring, which is then welded to a stainless flange. (See the cross section below for ...
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Can anyone help me to simulate welding joint in ABAQUS of dissimilar materials to find out the temperature distribution and the heat affected zone?

I want to simulate the welding joint between mild steel (AISI 1020) and stainless steel (SAE 304) by Arc and TIG welding process to find out the temperature distribution curve in the welding and heat ...
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Copying the pipe element without dismantling

I know for sure that this is possible to copy and fabricate the corroded element of a pipe without its dismantling in order to replace later when it is ready. How is this achieved? For example, we ...
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21 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 ...
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joining an iron cylinder with an aluminium plate

I have to join very rigidly an iron cylinder (length 30 cm, thickness 1.5mm) with an aluminium plate. I'm not expert in welding but I've read that it is not possible to weld these two metals. So I ...