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|Section2= |Section6= |Section7= }} RDX, an initialism for Research Department explosive,〔 is an explosive nitroamine widely used in military and industrial applications. It was developed as an explosive which was more powerful than TNT, and it saw wide use in World War II. RDX is also known as Research Department Formula X,〔The National Archives, London, DEFE 15/2406 dated September 1942, refers to this material as Research Department Formula X. Their original file reference was Explosives Report 275/2. The Research Department at Woolwich Arsenal named it thus as they invented the substance.〕 cyclonite, hexogen (particularly in German and German-influenced languages), and T4. Its chemical name is cyclotrimethylenetrinitramine; name variants include cyclotrimethylene-trinitramine and cyclotrimethylene trinitramine. In its pure, synthesized state RDX is a white, crystalline solid. It is often used in mixtures with other explosives and plasticizers, phlegmatizers or desensitizers. RDX is stable in storage and is considered one of the most powerful and brisant of the military high explosives. ==Name== RDX is also known, but less commonly, as cyclonite, hexogen (particularly in Russian, German and German-influenced languages), T4 and chemically as cyclotrimethylenetrinitramine. Tenney L Davis, writing in the US in 1943, stated it was generally known in the US as cyclonite; the Germans called it Hexogen, the Italians T4.〔 In the 1930s, the Royal Arsenal, Woolwich, started investigating cyclonite as an explosive to use against German U-boats that were being built with thicker hulls. Britain wanted an explosive that was more powerful than TNT. For security reasons, Britain termed Cyclonite as "Research Department Explosive" (R.D.X.). The term RDX appeared in the United States in 1946, but the name RDX is given without explanation. The first public reference in the United Kingdom to the name RDX, or R.D.X. to use the official title, appeared in 1948; its authors were the Managing Chemist, ROF Bridgwater, the Chemical Research and Development Department, Woolwich, and the Director of Royal Ordnance Factories, Explosives; again, it was referred to as simply RDX.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RDX」の詳細全文を読む スポンサード リンク
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