TokyoMorose
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TokyoMorose got a reaction from Serge in The Leopard 2 Thread
Different crystal phases of the steel, essentially the grade "P" armor is welded while still hot, the other grades are welded at much cooler temperatures. Likely implies that the grade P material is welded post-heat-treatment, while the grade Q and R metal is welded pre-heat-treatment. (This is not necessarily the case, but would be the most likely reason for welding at different phases).
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TokyoMorose got a reaction from Lord_James in The Leopard 2 Thread
I am not sure how it is done for Leopard 2 components, but I have seen entire cast or welded assemblies heated up and quenched at once in appropriately massive facilities. This image of a Panzer 68 hull being Quenched at Thun always comes to mind.
Welding plates post heat-treatment is very difficult without making the zone around the weld weak. It is usually preferred in metallurgy to weld before heat treatment and then do it all together.
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TokyoMorose got a reaction from SH_MM in General AFV Thread
Now, I am pretty sure this is the right thread - but @Waffentrager has managed to put this diagram of the various material sections of the Type 90 together. The blanked-out APFSDS in the RED description is JM-33, which (as I am sure most everyone here knows) is their variant of the DM-33.
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TokyoMorose got a reaction from Ramlaen in GLORIOUS T-14 ARMATA PICTURES.
It's a HRG. Hemispherical Resonator Gyroscope - it would be a major accomplishment of Russian industry if they have actually put these into mass production. Only two firms on the planet so far make them.
(Also, first actual post of a longtime lurker!)
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TokyoMorose got a reaction from Belesarius in GLORIOUS T-14 ARMATA PICTURES.
It's a HRG. Hemispherical Resonator Gyroscope - it would be a major accomplishment of Russian industry if they have actually put these into mass production. Only two firms on the planet so far make them.
(Also, first actual post of a longtime lurker!)
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TokyoMorose got a reaction from That_Baka in GLORIOUS T-14 ARMATA PICTURES.
It's a HRG. Hemispherical Resonator Gyroscope - it would be a major accomplishment of Russian industry if they have actually put these into mass production. Only two firms on the planet so far make them.
(Also, first actual post of a longtime lurker!)
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TokyoMorose got a reaction from Xlucine in GLORIOUS T-14 ARMATA PICTURES.
It's a HRG. Hemispherical Resonator Gyroscope - it would be a major accomplishment of Russian industry if they have actually put these into mass production. Only two firms on the planet so far make them.
(Also, first actual post of a longtime lurker!)
