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Method of producing a corrosion-resisting coating on metallic molybdenum surfaces

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专利汇可以提供Method of producing a corrosion-resisting coating on metallic molybdenum surfaces专利检索,专利查询,专利分析的服务。并且Method of producing surface layers of bromide on molybdenum elements such as those used in incandescent halogen lamps. The surface of the molybdenum elements is degreased, the elements are heated in a stream of hydrogen at approximately 700*C for at least 10 minutes, and the elements are then treated with brominecontaining gas at about 1000*C for 10 minutes. Subsequently, the treated elements are cooled in a gas such as nitrogen.,下面是Method of producing a corrosion-resisting coating on metallic molybdenum surfaces专利的具体信息内容。

  • 2. The method according to claim 1, wherein the heated surface is treated with bromine-containing gas at about 1000*C for 10 minutes.
  • 3. The method according to claim 1, wherein the cooling of the element which has been treated with bromine-containing gas is carried out in nitrogen.
  • 4. A method according to claim 1, wherein the bromine-containing gas is a hydrocarbon.
  • 5. A method according to claim 4, wherein the hydrocarbon is C2H2Br2.
  • 6. A method according to claim 1, wherein the molybdenum element after degreasing and heating in hydrogen as recited is incorporated in an incandescent lamp in semi-finished condition, the semi-finished lamp is filled with bromine-containing gas, and the bromide layer is formed by passing electric current through the element.
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