Explanation of Solidification of Metals & Alloys | Manufacturing Processes

[@Salmamohameddd]

Thank you very much

[@Dragonflyeducation]

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[@naman1964]

sir,plz make a video on dendritic growth with explanation.

[@alagappanprasannah1702]

Click the link below it is clearly well explained th-cam.com/video/eLw_RBF4WQ8/w-d-xo.html

[@TheLivirus]

Dendrites in alloys can be attributed mainly to solute rejection and crystal anisotropy. Solute is typically more soluble in the liquid than the solid metal, meaning it is rejected into the liquid as the solid grows. The solute rejected into the liquid makes the solidification front unstable, favoring perturbances to grow faster than the rest. Crystals are ordered repeating patterns of atoms. For this reason, crystals are favored to grow in certain directions. Perturbances are thus more likely to grow in certain directions, giving rise to a branched repeating structure which are commonly called dendrites. It's a bit more complicated but I think this is a useful model to work with.

[@vn-dc3hv]

I think the dendritic growth starting at 1:58 is represented incorrectly. The primary dendrite arm continues to grow forward when the secondary arms start to grow. Here they grow alternately.

[@fabriciosouza408]

Great explanations, thank you!

[@Mishraji_hain]

Loved the work of the channel. Keep it up. And thanks for the simplified content :)

[@Dragonflyeducation]

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[@filo9940]

Very good explanation thank u !

[@giles4354]

Good teaching sir 👏🏻👏🏻👍

[@Dragonflyeducation]

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[@DurgaPrasad-mq1id]

Thanks for explaining

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[@sourabhbhagat820]

Thank You Very Much .
You are doing Good Work.

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[@PremNagkKpn]

Most important in metallurgy students thanks to given

[@Dragonflyeducation]

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[@mukhtareljermi118]

Its good session. THANKS

[@lomishkumar555]

Very well explained good job .

[@Dragonflyeducation]

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[@AgravatVishal1997]

At the mould surface what kind of Grain Stucture had ?
Order/Disorder and Coarse/Fine !!

[@alagappanprasannah1702]

Click the link below it is clearly well explained th-cam.com/video/eLw_RBF4WQ8/w-d-xo.html

[@yusufrobot]

This is brilliant. Thank you

[@Dragonflyeducation]

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[@ConfinedEgo]

i think at 2:45 the labels for solidification of alloys and solidification of metals are swapped

[@thomousdesouza5675]

You cleared doubts nice

[@Dragonflyeducation]

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[@safaaelalfy6643]

Where are all videos of casting and welding please these videos are the best .

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[@shivasmart967]

tq sir

[@Dragonflyeducation]

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[@jaskarankang8795]

what about constitutional supercooling in alloys...partial detail..

[@amitnayak5869]

why gray cast iron expand while solidification process?

[@sunandobanerjee7665]

Grey cast iron has graphite flakes..which expand during solidification..and this expansion predominates over contraction of austenite

[@amitnayak5869]

Thanks

[@ArmRehabHands]

very good

[@fatemehkafash8168]

veryyy good.tanks

[@amaninajais]

thankyou!

[@VaibhavRajputmoksh]

MAGIC Marks ,,Why columnar crystals form ??

[@alagappanprasannah1702]

Click the link below it is clearly well explained th-cam.com/video/eLw_RBF4WQ8/w-d-xo.html

[@KT-dv8qy]

Kt