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The Wolfram Crisis (Spanish: Crisis del wolframio) was a diplomatic conflict during World War II between Francoist Spain and the Allied powers, which sought to block Spanish exports of tungsten ore to Nazi Germany. "Wolfram" is an alternate name for tungsten, a strategic material used in anti-tank weapons and machine tools.
Wolframite is highly valued as the main source of the metal tungsten, a strong and very dense material with a high melting temperature used for electric filaments and armor-piercing ammunition, as well as hard tungsten carbide machine tools. During World War II, wolframite mines were a strategic asset, due to its use in munitions and tools. [13]
Naturally occurring tungsten consists of four stable isotopes (182 W, 183 W, 184 W, and 186 W) and one very long-lived radioisotope, 180 W. Theoretically, all five can decay into isotopes of element 72 by alpha emission, but only 180 W has been observed to do so, with a half-life of (1.8 ± 0.2) × 10 18 years; [36] [37] on average, this yields ...
Ferrotungsten is relatively expensive, with the prices around $31–44 per kilogram of contained tungsten. [4] During World War 2, over 21,000,000 lb of Ferro-tungsten and other ferroalloys were shipped to Russia on lend-lease. [3] The cost was more than $12,000,000. Ferrotungsten comes from rich ore raw materials primarily of wolframite or ...
World War II: Panzer Claws (aka. Frontline Attack: War Over Europe) (2002) World War II: Frontline Command (2003) Panzer Claws II (2004) Great Battles of WWII: Stalingrad (2004) Super Army (2005) Frontline: Fields of Thunder (2007) Panzer Tactics DS (2007) Talvisota: Icy Hell (2007) World War II: General Commander (2008) (2009 digital release ...
These are grand strategy computer and video games set in World War II, i.e. games that leave the player in charge of every aspect: military, economic, and political, of a country during (and possibly the period leading up to) the war.
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Tungsten was one of those used to manufacture armaments. Before the war, the main producers were China (36%), Burma (17%) and the United States of America (11%). During the war, British sea power gave the Allied powers access to these countries, and denied them to the Axis powers. Germany had to seek sources in Europe.