摘要:
An article for a gas turbine engine according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a nickel phosphorous coating disposed on the substrate. The nickel phosphorus coating has a columnar microstructure. A method of applying a coating to an article for a gas turbine engine is also disclosed.
摘要:
The present invention discloses a sliding member, comprised of a base layer including soft particles made of a soft material softer than a matrix and deposited in the matrix, and a soft layer made of the soft material formed on a surface of the base layer, wherein: a boundary portion is formed between crystal grains that have a unique crystal grain structure of the soft particles and crystal grains that have a unique crystal grain structure of the soft layer.
摘要:
The present invention discloses a sliding member, comprised of a base layer including soft particles made of a soft material softer than a matrix and deposited in the matrix, and a soft layer made of the soft material formed on a surface of the base layer, wherein: a boundary portion is formed between crystal grains that have a unique crystal grain structure of the soft particles and crystal grains that have a unique crystal grain structure of the soft layer.
摘要:
Metallic substrate with a ceramic coating obtained by plasma electrolytic oxidation, resistant to degradation by tribocorrosion of light metals and their alloys, in a liquid and/or semi-solid state with a thickness from 10 to 300 µm and resistant to immersion in said light metals and their alloys without compositional modification of the substrate. Method for obtaining a metallic substrate with a ceramic coating by plasma electrolytic oxidation in which said substrate comprises a core and an outer layer of a metal different from that of the core or of an intermetallic compound, said outer layer being obtained by thermal spraying, laser, solid or liquid diffusion, hot galvanising or cementing. This allows obtaining a ceramic coating applicable to any metallic substrate and resistant to degradation by tribocorrosion.
摘要:
[Task] In a method, in which a plain bearing alloy layer 3 is bonded to a surface of a backing steel sheet 1, and, a Bi-based overlay layer 10 is then deposited on the plain bearing alloy layer 3 by electroplating, replacement of Bi with the backing steel sheet 1 and deposition of Bi on the backing steel sheet 1 are prevented. [Solution Means] Prior to the step of electroplating of said Bi-based overlay layer 10, the following metals and the like are formed on at least the back surface of said backing steel sheet 1. An electrochemically more noble metal 2 than Bi, an electrochemically more base metal 2 than Bi and capable of forming a passivation state, or resin 4.
摘要:
The present invention provides a process for manufacturing sintered sliding bearings by means of a powder metallurgy process. The process is characterised by including a porous surface coating (5) of soft metal in the central hole of the coupling matrix of the shaft (2), such that the sealing by plastic deformation of the pores (7) of the coating is facilitated.