摘要:
The invention relates to a component with a coating (5), wherein the component is a part of a wind turbine, the component is in contact with a lubricant (4) and the lubricant (4) comprises atomic hydrogen. The coating (5) covers at least partly the surface of the component. The coating (5) reduces diffusion of the atomic hydrogen into the component by means of inducing a recombination of the atomic hydrogen to hydrogen gas. The invention furthermore relates to a method of reducing diffusion of atomic hydrogen into a component of a wind turbine by using such a coating (5).
摘要:
An abrasive article includes a carrier element, an abrasive component, and a bonding region between the abrasive component and the carrier element. The abrasive component includes abrasive particles bound in a metal matrix. The abrasive component further includes a network of interconnected pores substantially filled with an infiltrant. The infiltrant has an infiltrant composition containing at least one metal element. The bonding region includes a bonding metal having a bonding metal composition containing at least one metal element. The bonding region is a region distinct from the carrier element and is a separate phase from the carrier element. An elemental weight percent difference is the absolute value of the difference in weight content of each element contained in the bonding metal composition relative to the infiltrant composition. The elemental weight percent difference between the bonding metal composition and the infiltrant composition does not exceed 20 weight percent.
摘要:
A method for joining a first metal part (11) with a second metal part (12), the metal parts (11,12) having a solidus temperature above 1100 QC. The method comprises: applying a melting depressant composition (14) on a surface (15) of the first metal part (11), the melting depressant composition (14) comprising a melting depressant component that comprises at least 25 wt% boron and silicon for decreasing a melting temperature of the first metal part (11 ); bringing (202) the second metal part (12) into contact with the melting depressant composition (14) at a contact point (16) on said surface (15); heating the first and second metal parts (11,12) to a temperature above 1 100 QC; and allowing a melted metal layer (210) of the first metal component (11) to solidify, such that a joint (25) is obtained at the contact point (16). The melting depressant composition and related products are also described.
摘要:
The present invention relates to an intermediate product for joining and coating by brazing comprising a base metal and a blend of boron and silicon, said base metal having a solidus temperature above 1040 °C, and the intermediate product has at least partly a surface layer of the blend on the base metal, wherein the boron in the blend is selected from a boron source, and the silicon in the blend is selected from a silicon source, and wherein the blend comprises boron and silicon in a ratio of boron to silicon within a range from about 3:100 wt/wt to about 100:3 wt/wt. The present invention relates also to a stacked intermediate product, to an assembled intermediate product, to a method of brazing, to a brazed product, to a use of an intermediate product, to a pre-brazed product, to a blend and to paint.
摘要:
Method for repairing a superalloy component (10) include disposing a single crystal coupon (20) in a void of the superalloy component (10), disposing one or more shims (30) between the single crystal coupon (20) and the superalloy component (10), and, welding the one or more shims (30) to join with the single crystal coupon (20) and the superalloy component (10) using a high energy density beam welder (40). A corresponding repaired superalloy component is also provided.
摘要:
Disclosed herein is a composite material comprising a metal and nanoparticles, in particular carbon nano tubes as well as a method of producing the same. A metal powder and the nanoparticles are processed by mechanical alloying, such as to form a composite comprising metal crystallites having an average size in the range of 1 - 100 nm, preferably 10 to 100 nm or in a range of more than 100 nm and up to 200 nm at least partly separated from each other by said nanoparticles.
摘要:
An abrasive article includes a carrier element, an abrasive component, and a bonding region between the abrasive component and the carrier element. The abrasive component includes abrasive particles bound in a metal matrix. The abrasive component further includes a network of interconnected pores substantially filled with an infiltrant. The infiltrant has an infiltrant composition containing at least one metal element. The bonding region includes a bonding metal having a bonding metal composition containing at least one metal element. The bonding region is a region distinct from the carrier element and is a separate phase from the carrier element. An elemental weight percent difference is the absolute value of the difference in weight content of each element contained in the bonding metal composition relative to the infiltrant composition. The elemental weight percent difference between the bonding metal composition and the infiltrant composition does not exceed 20 weight percent.